Marine Gazetteer browser | |||||||||
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to expand the Geographic Tree and see the child Geographic names
To collapse branch - Planet (Planet)
- World (World)
- World Oceans (World)
- Arctic Ocean (IHO Sea Area)
- Atlantic Ocean (General Sea Area)
- Alnmouth Bay (Bay)
- Amphiatlantic (General Sea Area)
- Angra de Cintra (Bay)
- Angra Pequena (Bay)
- Annobon (Island)
- Antarctic Bottom Water (Water mass)
- Antarctic Deep Water (Water mass)
- Antarctic Intermediate Water (Water mass)
- Ar-Men (Light(house))
- Atlantic Intermediate Water (Water mass)
- Atlantic Sector of the Southern Ocean (General Sea Area)
- Atol das Rocas (Atoll)
- Baia de Santa Marta (Bay)
- Baie de Bourgneuf (Bay)
- Baie du Levrier (Bay)
- Bight of Bonny (Bight)
- Bioko (Island)
- Bird Island (Island)
- Boreal Atlantic (General Sea Area)
- Borgundfjorden (Fjord)
- Buffels Bay (Bay)
- Buzzards Bay (Bay)
- Cape Cod Bay (Bay)
- Central Atlantic Ocean (General Sea Area)
- Chesapeake Bay (Bay)
- Common Water (Water mass)
- Dassen Island (Island)
- East Atlantic Subarctic Intermediate Water (Water mass)
- Eastern Atlantic (General Sea Area)
- Equatorial Countercurrent (Current)
- Equatorial Undercurrent (Current)
- Fernando de Noronha (Island)
- Florida Strait (Strait)
- Grand Bank (Bank)
- Guiana Basin (Basin)
- Guinea Basin (Basin)
- Gulf of Venezuela (Gulf)
- Hann (Bay)
- Hout Bay (Bay)
- Iberian Atlantic (General Sea Area)
- Iberian Basin (Basin)
- Île Kassa (Island)
- Irvine Bay (Bay)
- Lee Stocking Island (Island)
- Mediterranean Intermediate Water (Water mass)
- Mid-Atlantic Ridge (Ridge)
- Middle Atlantic (General Sea Area)
- North Atlantic Bottom Water (Water mass)
- North Atlantic Central Water (Water mass)
- North Atlantic Deep Water (Water mass)
- North Atlantic Ocean (IHO Sea Area)
- Abaco Islands (Archipelago)
- Abbott Rock (Rock)
- Acantilado Costero de Los Perros (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Acantilado de Las Traviesas (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Acantilados de Alajeró, La dama Y Valle Gran Rey (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Acantilados de Santo Domingo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Accomac Canyon (Canyon(s))
- Achill Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Açor Bank (Bank)
- Açores Este Fracture Zone (Fracture Zone)
- Adamant Rock (Rock)
- Adamant Shoal (Shoal)
- Aegis Spur (Spur)
- Afen region (Continental Margin)
- Agadir Canyon (Canyon(s))
- Agapova Seamount (Seamount(s))
- Agassiz Valleys (Submarine valley(s))
- Agostinho Seamount (Seamount(s))
- Akeragh, Banna and Barrow Harbour (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Albacora Caldera (Caldera)
- Albany Seamount (Seamount(s))
- Albemarle Shelf Valley (Submarine valley(s))
- Albert de Monaco Ridge (Ridge)
- Alcor Rock (Rock)
- Algerine Seamount (Seamount(s))
- Allegheny Seamount (Seamount(s))
- Allen Bank (Bank)
- Allen Rock (Rock)
- Allen Shoal (Rock)
- Almeida Carvalho Seamounts (Seamount(s))
- Altair Seamount (Seamount(s))
- Alvaro Martins Hill (Hill(s))
- Alvin Canyon (Canyon(s))
- Amazon Canyon (Canyon(s))
- Amazon Cone (Fan)
- Amazon Sea Channel (Seachannel)
- Ambrose Rock (Rock)
- Ammen Basin (Basin)
- Ammen Rock (Reef)
- Ammen Swell (Rise)
- Ampère Seamount (Seamount(s))
- Amphitheaters Basin (Basin)
- Amphitheatre Escarpment (Escarpment)
- Amphitheatre Spur (Spur)
- Anaga (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Anaga (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Anchor Shoal (Shoal)
- Andiroba Hill (Hill(s))
- Andrews Shoal (Shoal)
- Andromeda Seamount (Seamount(s))
- Andros (Island)
- Anegada Canyon (Canyon(s))
- Angus Shoal (Shoal)
- Anita Conti Seamounts (Seamount(s))
- Antialtair Seamount (Seamount(s))
- Antiguan and Barbudan part of the North Atlantic Ocean (Marine Region)
- Antilles Sea (Sea)
- Anton Dohrn Seamount (Seamount(s))
- Antonio de Freitas Hill (Hill(s))
- Apple Rock (Rock)
- Aran Island (Donegal) Cliffs (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Archipiélago Chinijo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ardbear Bay (Bay)
- Ardboline Island and Horse Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Área Marina de La Isleta (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Arecibo Canyon (Canyon(s))
- Arguin Bank (Bank)
- Arguin Canyon (Canyon(s))
- Arguin Spur (Spur)
- Arkhangelskiy Fracture Zone (Fracture Zone)
- Armoricain Fan (Fan)
- Armoricain Seamount (Seamount(s))
- Arnold Shoal (Shoal)
- Arosa Canyon (Canyon(s))
- Arquipélago da Berlenga (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Arrabida (Marine Protected Area (MPA))
- Arrábida/Espichel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Arroyo Seamount (Seamount(s))
- Artimon Bank (Bank)
- Ashton Seamount (Seamount(s))
- Asterias Seamount (Seamount(s))
- Atlantic coast of Morocco (Coast)
- Atlantis Canyon (Canyon(s))
- Atlantis Fracture Zone (Fracture Zone)
- Atlantis II Seamounts (Seamount(s))
- Atlantis Seamount (Seamount(s))
- Atobá Ridge (Ridge)
- Aughris Head Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Aughrusbeg Machair and Lake (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Auriga Seamount (Seamount(s))
- Austell Spur (Spur)
- Avalon Channel (Trough)
- Aveiro Continental Shelf (Continental Shelf (Physical))
- Aveiro Valley (Valley)
- Avery Shoal (Shoal)
- Avondale Reef (Reef)
- Azores (Archipelago)
- Azores Countercurrent (Current)
- Azores Plateau (Plateau)
- Azores-Biscay Rise (Rise)
- Azores-Gibraltar Ridge (Ridge)
- Babin Shoal (Shoal)
- Babylon Canyon (Canyon(s))
- Baccaro Bank (Bank)
- Back Shoal (Shoal)
- Backmans Shoal (Reef)
- Bad Neighbour Shoal (Shoal)
- Badger Rock (Rock)
- Badger Rock (Rock)
- Baffin Current (Current)
- Bahama Basin (Basin)
- Bahama Escarpment (Escarpment)
- Bahama Ridge (Ridge)
- Bahamas (Nation)
- Bahamian Exclusive Economic Zone (EEZ)
- Bahamian Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Bahamian part of the North Atlantic Ocean (Marine Region)
- Bahia de Cadiz (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Bahía de Gando (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bahía del Confital (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baixa Do Sul (Canal Do Faial) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baixo Miño (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bajo Guadalquivir (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Balanus Seamount (Seamount(s))
- Bald Head Shoal (Shoal)
- Bald Island Shoal (Shoal)
- Bald Rock Bull (Rock)
- Baldaque da Silva Passage (Passage)
- Ballard Bank (Bank)
- Ballinskelligs Bay and Inny Estuary (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ballysadare Bay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ballysadare Bay Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baltee Shoal (Shoal)
- Baltimore Canyon (Canyon(s))
- Banc d'Arguin National Park (World Marine Heritage Site)
- Banc du Séminole (Bank)
- Banc Nickerson (Shoal)
- Banco D. João de Castro (Canal Terceira - S. Miguel) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bank Rock (Rock)
- Banquereau (Bank)
- Bantam Banks (Bank)
- Bantam Shoal (Shoal)
- Bantry Bay (Bay)
- Bar Haven Bank (Bank)
- Barachois Shoal (Shoal)
- Barbadian Extended Continental Shelf (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- Barbadian part of the North Atlantic Ocean (Marine Region)
- Barra Fan (Fan)
- Barracuda Plain (Plain)
- Barracuda Ridge (Ridge)
- Barranco de Argaga (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Barranco de Erques (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Barranco de Las Angustias (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Barranco del Jorado (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Barrett Rock (Rock)
- Barse Ground (Rock)
- Barse Rock (Rock)
- Barse Rock (Rock)
- Basque Reef (Reef)
- Basque Shoal (Shoal)
- Bass Rock (Rock)
- Bastard (Rock)
- Bateau Bank (Bank)
- Bathymetrists Seamounts (Seamount(s))
- Bay of Biscay (IHO Sea Area)
- Bay of Fundy (IHO Sea Area)
- Bay of Rio de Oro (Bay)
- Bay Shoal (Shoal)
- Bay Shoal (Shoal)
- Beachgrass Head Rock (Rock)
- Bear Cove Shoal (Shoal)
- Bear Seamount (Seamount(s))
- Bear Shoal (Shoal)
- Beara Peninsula Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Beaufort Valley (Submarine valley(s))
- Beaver Tail (Shoal)
- Beckford Shoal (Shoal)
- Beiral de Viana Escarpment (Escarpment)
- Belgica Mound Province (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bell Rock (Rock)
- Bella Shoal (Shoal)
- Belle Isle, Strait of (Strait)
- Belousov Seamount (Seamount(s))
- Bend Breaker (Reef)
- Bennett Bank (Bank)
- Beothuk Knoll (Knoll(s))
- Berkeley Canyon (Canyon(s))
- Berlenga (Island)
- Bermuda Rise (Rise)
- Berrio Canyon (Canyon(s))
- Bérrio Saddle (Saddle)
- Bertraghboy Bay (Bay)
- Berufjarðaráll (Submarine valley(s))
- Betancuria (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Bethel Shoal (Shoal)
- Big Fish Shoal (Shoal)
- Big Hawbolt Shoal (Shoal)
- Big Hurley Shoal (Shoal)
- Big Nest (Rock)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Shoal (Shoal)
- Big Sunker (Rock)
- Big Sunker Rocks (Rocks)
- Big Tobacco Rock (Rock)
- Bigfish Shoal (Shoal)
- Bight Fracture Zone (Fracture Zone)
- Bijagós Canyon (Canyon(s))
- Bill Baileys Bank (Seamount(s))
- Bill Bailey's Bank (Bank)
- Bill Giffin Shoal (Shoal)
- Bill Myer Shoal (Shoal)
- Bill White Rock (Rock)
- Billies Rock (Rock)
- Bills Rocks Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Bingham Shoal (Shoal)
- Bingly Shoal (Shoal)
- Birch Shoal (Reef)
- Birma Seamount (Seamount(s))
- Biscay Seamount (Seamount(s))
- Biscayne Bay (Bay)
- Bissau Knoll (Knoll(s))
- Bissau-Guinean Exclusive Economic Zone (EEZ)
- Bissau-Guinean part of the North Atlantic Ocean (Marine Region)
- Black Breaker Rock (Rock)
- Black Head Rock (Rock)
- Black Head Shoal (Shoal)
- Black Head-Poulsallagh Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Black Horse Rock (Rock)
- Black Mud Levee (Levee)
- Blackman Shoal (Shoal)
- Blacks Basin (Basin)
- Blacksod Bay (Bay)
- Blacksod Bay/Broad Haven Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Blake Abyssal Plain (Abyssal Plain)
- Blake Basin (Basin)
- Blake Canyon (Canyon(s))
- Blake Escarpment (Escarpment)
- Blake Plateau (Plateau)
- Blake Ridge (Ridge)
- Blake Spur (Spur)
- Blandford Shoal (Shoal)
- Blasket Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Blasket Islands Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Blind Sister (Rock)
- Block Canyon (Canyon(s))
- Block Island Ridge (Ridge)
- Block Island Shelf Valley (Submarine valley(s))
- Block Island Sound (Bay)
- Blow Breaker (Shoal)
- Blow Me Down Sunker (Rock)
- Bluff Head Shoal (Shoal)
- Boa Vista (Island)
- Boa Vista Seamount (Seamount(s))
- Boat Shoal (Shoal)
- Bobby Rock (Rock)
- Bobby Rock (Rock)
- Bobs Rock (Rock)
- Bobs Shoal (Rock)
- Bogdanov Fracture Zone (Fracture Zone)
- Bogy Ledge (Shoal)
- Bogy Reef (Shoal)
- Bonavista Bay (Bay)
- Bonnécamps Canyon (Canyon(s))
- Boom Rock (Rock)
- Bootes Bank (Bank)
- Borda Seamount (Seamount(s))
- Borgles Shoal (Shoal)
- Bosísio Basin (Basin)
- Bourée Hole (Hole)
- Bow and Arrow Shoal (Shoal)
- Bowditch Seamount (Seamount(s))
- Bowdridge Shoal (Shoal)
- Bower Patch (Shoal)
- BR-01 (HAB monitoring grid)
- BR-02 (HAB monitoring grid)
- Branco (Island)
- Brandon Bay (Bay)
- Brandy Rocks (Rocks)
- Brava (Island)
- Brazil Rock (Rock)
- Brazilian part of the North Atlantic Ocean (Marine Region)
- Bread and Cheese Rock (Rock)
- Breeches Rock (Rock)
- Breidafjordur (Bay)
- Breiðamerkurdjúp (Submarine valley(s))
- Brekhovskih Seamount (Seamount(s))
- Brier Shoal (Shoal)
- Brier Shoals (Shoal)
- Brig Rock (Rock)
- Brig Rock (Rock)
- Brig Shoal (Shoal)
- Bristol Channel (IHO Sea Area)
- British Exclusive Economic Zone (EEZ)
- British Exclusive Economic Zone (Bermuda) (EEZ)
- British Exclusive Economic Zone (Turks and Caicos Islands) (EEZ)
- British Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- British Isles (Archipelago)
- British part of the North Atlantic Ocean (Marine Region)
- British part of the North Atlantic Ocean (Anguilla) (Marine Region)
- British part of the North Atlantic Ocean (Bermuda) (Marine Region)
- British part of the North Atlantic Ocean (British Virgin Islands) (Marine Region)
- British part of the North Atlantic Ocean (Turks and Caicos Islands) (Marine Region)
- Broad Bank (Reef)
- Broad Breaker (Rock)
- Broad Shoal (Reef)
- Broad Shoal (Shoal)
- Broad Shoal (Shoal)
- Broadhaven Bay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Brook Rock (Rock)
- Brow Rock (Rock)
- Brown Bank (Bank)
- Browns Bank (Bank)
- Browns Bank (Sampling Station)
- Brule Shoal (Shoal)
- Brunette Bank (Shoal)
- Bryant Shoal (Shoal)
- Bryony Bank (Bank)
- Buchanan Ridge (Ridge)
- Bucksport Shoal (Shoal)
- Budget Rock (Rock)
- Budget Rock (Rock)
- Buell Seamount (Seamount(s))
- Buffett Bank (Bank)
- Bugdens Rock (Rock)
- Bull Rock (Rock)
- Bull Rock (Rock)
- Bull Rock (Rock)
- Bull Rock (Rock)
- Bull Shoal (Shoal)
- Bullhead Bantam (Bank)
- Bulls Scarp (Escarpment)
- Bunduff Lough and Machair/Trawalua/Mullaghmore (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bunowen Bay (Bay)
- Burgeo Ground (Shoal)
- Burin Bank (Bank)
- Burke Shoal (Shoal)
- Burns Head Rock (Rock)
- Burns Rock (Rock)
- Burns Shoal (Shoal)
- Burnt Ground (Reef)
- Butler Rock (Rock)
- CA-16 (HAB monitoring grid)
- CA-17 (HAB monitoring grid)
- CA-18 (HAB monitoring grid)
- Cabinet Shoal (Shoal)
- Cabo Espichel (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cabo Udra (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Caboclo Basin (Basin)
- Cadamosto Seamount (Seamount(s))
- Cadiz Gulf (Gulf)
- Cagafrecho (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Caicos Bank (Bank)
- Caicos Islands (Archipelago)
- Caithness and Sutherland Peatlands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Caithness and Sutherland Peatlands (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Caldeira E Capelinhos - Ilha Do Faial (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Calf Island Shoal (Shoal)
- Calf Of Eday (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Calf Rock (Rock)
- Caloosahatchee Seamount (Seamount(s))
- Caloura-Ponta da Galera - Ilha de S. Miguel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Camarón Knoll (Knoll(s))
- Cameron Canyon (Canyon(s))
- Camões Bank (Bank)
- Camões Seamount (Seamount(s))
- Camp Rock (Rock)
- Canadian Exclusive Economic Zone [Atlantic part] (Marine Region)
- Canadian part of the North Atlantic Ocean (Marine Region)
- Canary Basin (Basin)
- Canary Islands (Archipelago)
- Canary Ridge (Ridge)
- Canary Sea (Sea)
- Canso Bank (Bank)
- Cantabria Knoll (Knoll(s))
- Cape Breaker (Rock)
- Cape Fear Terrace (Terrace)
- Cape Ledge (Shoal)
- Cape Lookout Shoals (Shoal)
- Cape Palmas Seamount (Seamount(s))
- Cape Rock (Rock)
- Cape Verde (Archipelago)
- Cape Verde Abyssal Plain (Abyssal Plain)
- Cape Verde Basin (Basin)
- Cape Verde Plateau (Plateau)
- Cape Verde Seamount (Seamount(s))
- Cape Verdean Exclusive Economic Zone (EEZ)
- Cape Verdean part of the North Atlantic Ocean (Marine Region)
- Captain Ball Rock (Shoal)
- Caribbean Sea (IHO Sea Area)
- Caribou Rock (Rock)
- Carlos Ribeiro Passage (Passage)
- Carnota - Monte Pindo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Carousse Bank (Bank)
- Carpathia Seamount (Seamount(s))
- Carron Seamount (Seamount(s))
- Carrowmore Point To Spanish Point and Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Carson Canyon (Canyon(s))
- Carstens Valley (Submarine valley(s))
- Carter Seamount (Seamount Chain)
- Carteret Canyon (Canyon(s))
- Carvalho Araújo Passage (Passage)
- Caryn Seamount (Seamount(s))
- Cascais Canyon (Canyon(s))
- Cashes Basin (Basin)
- Cashes Ledge (Ridge)
- Castle Rock Seamount (Seamount(s))
- Castlemaine Harbour (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Castlemaine Harbour Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Castro Terrace (Terrace)
- Cat Gap (Gap)
- Cay Sal Bank (Bank)
- Cay Sal Drift (Drift)
- Cayar Canyon (Canyon(s))
- Ceará Abyssal Plain (Abyssal Plain)
- Ceará Ridge (Ridge)
- Celtic Sea (IHO Sea Area)
- Celtique Seachannel (Seachannel)
- Central North Atlantic (General Sea Area)
- Chain Knoll (Knoll(s))
- Chain Rocks (Rocks)
- Challenger Bank (Tablemount)
- Channel Rock (Rock)
- Channel Shoal (Shoal)
- Channel Shoal (Shoal)
- Chapel Shoal (Shoal)
- Charco de Cieno (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Charco del Conde (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Charcot Seamounts (Seamount(s))
- Charleston Valley (Submarine valley(s))
- Charley Rock (Rock)
- Charley Rock (Rock)
- Charlie-Gibbs Fracture Zone (Fracture Zone)
- Charlos Reef (Reef)
- Chaucer Seamounts (Seamount(s))
- Chaves Seamount (Seamount(s))
- Chebacco Canyon (Canyon(s))
- Chebogue Ledge (Shoal)
- Chebogue Point Shoal (Shoal)
- Chenal de Saint-Pierre (Trough)
- Cherkis Seamount (Seamount(s))
- Chester Rock (Rock)
- Chicks Rock (Rock)
- Chimney Rocks (Rocks)
- Choffat Valley (Valley)
- Christian Canyon (Canyon(s))
- Chtoukane Canyon (Canyon(s))
- Chubb Rock (Rock)
- Cima (Island)
- Cindy Seamount (Seamount(s))
- Clare Island Cliffs (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Clare Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Clarion Bank (Bank)
- Cleopatra Shoal (Shoal)
- Clew Bay (Bay)
- Clew Bay Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Clifford Smith Canyon (Canyon(s))
- Cliffs Of Moher Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Clipper Canyon (Canyon(s))
- Cloué Rock (Shoal)
- Cockawee Shoal (Shoal)
- Cockle Rock (Rock)
- Codray Shoal (Shoal)
- Cole Ledge (Shoal)
- Collier Rock (Rock)
- Colón Seamount (Seamount(s))
- Colorado Seamount (Seamount(s))
- Colt Shoal (Shoal)
- Columbia Ledge (Reef)
- Columbia Rock (Rock)
- Complexo Húmido de Corrubedo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Complexo Intermareal Umia - O Grove, A Lanzada, Punta Carreirón E Lagoa Bodeira (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Complexo Litoral de Corrubedo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Complexo Ons - O Grove (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Conception Bank (Bank)
- Congress Seamount (Seamount(s))
- Congress Shoal (Shoal)
- Connemara Bog Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Connemara Coast (Coast)
- Connor Reef (Reef)
- Connors Ridge (Ridge)
- Constituição Basin (Basin)
- Cooks Ledge (Reef)
- Cooks Rock (Rock)
- Coombes Rock (Rock)
- Cooper Bank (Bank)
- Cooper Shoal (Shoal)
- Cooper Shop Shoal (Rock)
- Coote Shoal (Shoal)
- Coral Patch Bank (Bank)
- Corbin Head Shoal (Shoal)
- Cordero Canyon (Canyon(s))
- Cork Rock (Rock)
- Corner Seamounts (Seamount(s))
- Corner Shoal (Shoal)
- Cornwall Rock (Rock)
- Corralejo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Corrales de Rota (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Corraun Plateau (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Corsair Canyon (Canyon(s))
- Corveiro Canyon (Canyon(s))
- Costa Ártabra (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa da Morte (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa da Morte (Norte) (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Costa da Vela (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa das Quatro Ribeiras - Ilha da Terceira (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa de Ferrolterra - Valdoviño (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Costa de Garafía (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa de Hiscaguán (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa de Los Órganos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa de Majona, El Águila Y Avalo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Costa de San Juan de La Rambla (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa de Sardina del Norte (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa del Norte de Fuerteventura (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Costa E Caldeirão - Ilha Do Corvo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Costa E Caldeirão - Ilha Do Corvo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa Ne E Ponta Do Topo - Ilha de S. Jorge (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa Nordeste - Ilha das Flores (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa Sudoeste (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Costa Sudoeste (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Country Island Shoal (Shoal)
- Cow and Calf Ledge (Reef)
- Cow Rock (Rock)
- Cow Rock (Rock)
- Cowley Rock (Rock)
- Cox Ledge (Bank)
- Crab Rock (Rock)
- Cranten Rock (Rock)
- Creek Shoal (Shoal)
- Cregduff Lough (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Crescent Seamount (Seamount(s))
- Cripple Rock (Rock)
- Croaghaun/Slievemore (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Croney Rock (Rock)
- Croney Shoal (Shoal)
- Cronie Reef (Reef)
- Crooks Rock (Rock)
- Cross Ledge (Shoal)
- Cross Point Shoal (Shoal)
- Crotch Ground (Bank)
- Croucher Island Shoal (Shoal)
- Crow Bunch Shoal (Shoal)
- Crowell Basin (Basin)
- Cruagh Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cruiser Seamount (Seamount(s))
- Crumb Seamount (Seamount(s))
- Cuban part of the North Atlantic Ocean (Marine Region)
- Cueva de Lobos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cultivator Shoal (Shoal)
- Cumbres Y Acantilados del Norte de La Palma (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cummeen Strand Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cummeen Strand/Drumcliff Bay (Sligo Bay) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cunningham Reef (Reef)
- Currys Breaker (Rock)
- Curtis's Rock (Rock)
- Cuslett Rock (Rock)
- Dacia Seamount (Seamount(s))
- Dakar Canyon (Canyon(s))
- Daly Rock (Rock)
- Danells Valley (Submarine valley(s))
- Dangeart Canyon (Canyon(s))
- Daniel Shoal (Shoal)
- Danielsen Canyon (Canyon(s))
- Danish Extended Continental Shelf (Faeroe) (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Danish part of the North Atlantic Ocean (Faeroe) (Marine Region)
- Danish part of the North Atlantic Ocean (Greenland) (Marine Region)
- Darby Bank (Bank)
- Darwin Mounds (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Daves Rock (Rock)
- David Rock (Rock)
- Davis Bank (Shoal)
- Davis Basin (Basin)
- Dawson Canyon (Canyon(s))
- Day Canyon (Canyon(s))
- De Guerne Seamount (Seamount(s))
- Dead Cow Shoals (Shoal)
- Deenish Island and Scariff Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Deep Water Bank (Bank)
- Deep Western Boundary Current (Current)
- Deepwater Bank (Shoal)
- Deepwater Ledge (Shoal)
- Delaney Rock (Rock)
- Demerara Abyssal Plain (Abyssal Plain)
- Demerara Plateau (Plateau)
- Demerara Plateau CDS (Contourite Depositional System)
- Denmark Strait (Strait)
- Denys Canyon (Canyon(s))
- Desbarres Canyon (Canyon(s))
- DesBarres Spur (Spur)
- Descobridores Hills (Hill(s))
- Desertas (Archipelago)
- Devastation Shoal (Shoal)
- Devereux Shoal (Shoal)
- Diamond Shoals (Shoal)
- Diana Bank (Bank)
- Dick Burns Rock (Rock)
- Dingle Bay (Bay)
- Dingle Peninsula Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Diogo de Silves Hole (Hole)
- Diogo de Teive Hills (Hill(s))
- Dipper Seamount (Seamount(s))
- Discovery Ridge (Ridge)
- Djúpáll (Submarine valley(s))
- Dmitriev Seamount (Seamount(s))
- Doane Rock (Rock)
- Dock Island Sunker (Rock)
- Dodding Rock (Rock)
- Doddys Shoal (Shoal)
- Dogbody Canyon (Canyon(s))
- Dogfish Ground (Shoal)
- Dog's Bay (Bay)
- Dog'S Bay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dohrn Bank (Bank)
- Doldrums Fracture Zone (Fracture Zone)
- Dollabarat Reef (Reef)
- Dollard Rock (Rock)
- Dom João de Castro Bank (Bank)
- Dominican part of the North Atlantic Ocean (Marine Region)
- Dominican part of the North Atlantic Ocean (Republic) (Marine Region)
- Doñana (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Donegal Bay (Bay)
- Donegal Bay (Murvagh) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Donegal Bay Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Donegal Fan (Fan)
- Doogort Machair/Lough Doo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dorr Shoal (Shoal)
- Dos Niños Knoll (Knoll(s))
- Dos Niños Valley (Submarine valley(s))
- Dough Ball Shoals (Shoal)
- Douglas's Shoal (Shoal)
- Dover Shoals (Shoal)
- Downing Basin (Trough)
- Dragon Bank (Bank)
- Drumcliff Bay Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Duarte Pacheco Spur (Spur)
- Duck Bank (Bank)
- Duck Rock (Rock)
- Duck Rock (Rock)
- Duck Rock Shoal (Rock)
- Duck Rock Sunker (Rock)
- Duck Shoal (Shoal)
- Duck Shoal (Shoal)
- Duck Shoal (Shoal)
- Duck Shoal (Shoal)
- Duck Shoals (Shoal)
- Dunas de Corralejo E Isla de Lobos (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Dunas de Mira, Gândara E Gafanhas (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Duncan Reef (Reef)
- Duncan Shoals (Shoal)
- Dunmanus Bay (Bay)
- Durnesh Lough (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Durness (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dursey Sound (Sound)
- Duvillaun Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Duvillaun Islands Spa (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- East Azores Fracture Zone (Fracture Zone)
- East Bar (Shoal)
- East Bear Point Ledge (Shoal)
- East Breakwater Bank (Bank)
- East Bull (Rock)
- East Bull (Rock)
- East Burren Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- East Canary Islands (General Region)
- East Gilley Shoal (Shoal)
- East Greenland Current (Current)
- East Point Rock (Rock)
- East Pollock (Shoal)
- East Shoal (Shoal)
- East Shoal (Shoal)
- East Thulean Rise (Rise)
- East Tillies Trough (Trough)
- Eastern Crozon Levee (Levee)
- Eastern Hummock (Shoal)
- Eastern North Atlantic (General Sea Area)
- Eastern Patch Rock (Rock)
- Eastern Ridge (Shoal)
- Eastern Rock (Rock)
- Eastern Rock (Rock)
- Eastern Shoal (Shoal)
- Eastern Shoal (Shoal)
- Eastern Shoals (Shoal)
- Eastward Knoll (Knoll(s))
- Echo Bank (Bank)
- Ede Rock (Rock)
- Edoras Bank (Bank)
- Egas Moniz Hills (Hill(s))
- Eirik Ridge (Ridge)
- El Arraiche CDS (Contourite Depositional System)
- El Ferrol Canyon (Canyon(s))
- El Hierro (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Elbow Rock (Shoal)
- Elena Seamount (Seamount(s))
- Eleuthera Valley (Valley)
- Elizabeth Basin (Basin)
- Emberly Rock (Rock)
- Emerald Bank (Bank)
- Emerald Basin (Basin)
- Emerald Shoal (Shoal)
- Emery Canyon (Canyon(s))
- Emmeline Shoal (Shoal)
- Enebrales de Punta Umbria (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Engaño Apron (Apron)
- Engaño Bank (Bank)
- Engaño Canyon (Canyon(s))
- English Channel (IHO Sea Area)
- Anse de Landemer (Bight)
- Anse de Vauville (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Anse du Cul-de-Loup (Bight)
- Archipel des Sept-Îles (Archipelago)
- Baie de Canche et Couloir des Trois Estuaires (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Lancieux (Bay)
- Baie de Lancieux, Baie de L'Arguenon, Archipel de Saint Malo et dinard (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Morlaix (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Morlaix (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Paimpol (Bay)
- Baie de Saint-Brieuc (Bay)
- Baie de Saint-Brieuc - Est (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Saint-Brieuc - Est (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Seine Occidentale (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Seine Occidentale (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Seine Orientale (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Tocquebœuf (Bay)
- Baie d'Écalgrain (Bay)
- Baie des veys (Bay)
- Baie Du Mont Saint Michel (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie Du Mont Saint-Michel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Banc et Récifs de Surtainville (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Basses Vallées Du Cotentin et Baie des Veys (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Bassurelle (Shoal)
- Bassurelle Sandbank (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bay of Morlaix (Bay)
- Bay of the Somme (Bay)
- BENTHOBS Boulogne sur Mer (Sampling Station)
- BENTHOBS Ebihens (Sampling Station)
- British part of the English Channel (Marine Region)
- British part of the English Channel (Guernsey) (Marine Region)
- British part of the English Channel (Jersey) (Marine Region)
- Canche Estuary (Estuary)
- Cap de Carteret (Cape)
- Cap de la Hague (Cape)
- Cap D'Erquy-Cap Frehel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap D'Erquy-Cap Fréhel (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cap Gris-Nez (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cap Gris-Nez (Cape)
- Cap Lévi (Cape)
- Ceinture Dorée (Coast)
- Channel Islands (Archipelago)
- Chausey (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Chausey (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Chesil and The Fleet (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Chichester and Langstone Harbours (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Christchurch Bay (Bay)
- Côte d'Albâtre (Coast)
- Cote de Cancale A Parame (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Côte de Grâce (Coast)
- Côte de Granit Rose-Sept Iles (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cote de Granit Rose-Sept-Iles (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Côte de Granite rose (Coast)
- Côte de Nacre (Coast)
- Côte de Penthièvre (Coast)
- Côte d'Émeraude (Coast)
- Côte des Havres (Coast)
- Côte des Isles (Coast)
- Côte des Légendes (Coast)
- Côte du Goëlo (Coast)
- Côte du parc du Marquenterre (Coast)
- Côte Fleurie (Coast)
- Côte picarde (Coast)
- Dawlish Warren (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dorset Heathlands (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Dorset Heaths (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dorset Heaths (Purbeck and Wareham) and Studland Dunes (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dover Strait (Strait)
- Dunes de L'Authie et Mollieres de Berck (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dungeness (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dungeness To Pett Level (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- East Wear Bay (Bay)
- Eastern Channel (General Sea Area)
- Estuaire de La Canche (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Canche, Dunes Picardes Plaquees Sur L'Ancienne Falaise, Foret D'Hardelot et Falaise D'Equihen (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Rance (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Seine (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de L'Orne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire et Marais de La Basse Seine (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaires et Littoral Picards (Baies de Somme et D'Authie) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaires picards (Estuary)
- Estuaires Picards : Baie de Somme et D'Authie (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Exe Estuary (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Fal and Helford (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Falaise Du Bessin Occidental (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Falaises Du Cran Aux Oeufs et Du Cap Gris-Nez, Dunes Du Chatelet, Marais de Tardinghen et Dunes de Wissant (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Falaises et Dunes de Wimereux, Estuaire de La Slack, Garennes et Communaux D'Ambleteuse-Audresselles (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- FR-01 (HAB monitoring grid)
- FR-02 (HAB monitoring grid)
- FR-03 (HAB monitoring grid)
- FR-04 (HAB monitoring grid)
- FR-05 (HAB monitoring grid)
- French part of the English Channel (Marine Region)
- GB-06 (HAB monitoring grid)
- GB-07 (HAB monitoring grid)
- GB-08 (HAB monitoring grid)
- Golfe Normano-Breton (Gulf)
- Gulf of Saint-Malo (Bay)
- Havre de La Sienne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Havre de Saint-Germain-Sur-Ay et Landes de Lessay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Hurd Deep (Submarine valley(s))
- Île Callot (Island)
- Iles de La Colombière, de La Nellière et des Haches (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilots Notre-dame et Chevret (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Isle Of Portland To Studland Cliffs (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Isle of Wight (Island)
- Isle Of Wight Downs (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Landes et Dunes de La Hague (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Langstone Harbour (Bay)
- Les Ridens (Sandbank System)
- Littoral Augeron (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Littoral Cauchois (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Ouest Du Cotentin de Brehal A Pirou (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Ouest Du Cotentin de Saint-Germain-Sur-Ay Au Rozel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Seino-Marin (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Lizard Point (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- L'Yeres (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lyme Bay (Bay)
- Lyme Bay and Torbay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Arriere-Littoraux Du Bessin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Du Cotentin et Du Bessin - Baie des Veys (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Vernier et Basse Vallee de La Risle (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Massif Dunaire de Heauville A Vauville (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Mont Saint-Michel Bay (Bay)
- Mounts Bay (Bay)
- Pagham Harbour (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- PHYTOBS At-So (Sampling Station)
- PHYTOBS Boulogne (Sampling Station)
- PHYTOBS Les Ébihens (Sampling Station)
- PHYTOBS Loguivy (Sampling Station)
- PHYTOBS Wimereux Point C (Sampling Station)
- Plymouth Sound (Sound)
- Plymouth Sound and Estuaries (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Poole Bay (Bay)
- Poole Harbour (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Portsmouth Harbour (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Rade de Boulogne-sur-Mer (Bay)
- Rade de Caen (Bay)
- Rade de Cherbourg (Bay)
- Récifs et Landes de La Hague (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Récifs et Marais Arrière-Littoraux Du Cap Lévi À La Pointe de Saire (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Recifs Gris-Nez Blanc-Nez (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ridens et Dunes Hydrauliques Du detroit Du Pas-de-Calais (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Riviere Leguer, Forets de Beffou, Coat An Noz et Coat An Hay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rye Bay (Bay)
- Seine Bay (Bay)
- Shipwash (Shoal)
- Sidmouth To West Bay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Solent and Isle Of Wight Lagoons (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Solent and Southampton Water (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Solent Maritime (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- South Basserelle (Valley)
- South devon Shore Dock (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- South Hams (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- South Wight Maritime (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- St Albans Head To Durlston Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Start Point To Plymouth Sound & Eddystone (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tamar Estuaries Complex (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Tatihou - Saint-Vaast-La-Hougue (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- The Lizard (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- The Solent (Strait)
- Tregor Goëlo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Trégor Goëlo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ushant Front (Front)
- Vergoyer (Shoal)
- Western Channel (General Sea Area)
- Weymouth Bay (Bay)
- Whitesand Bay (Bay)
- Whitsand Bay (Bay)
- French Exclusive Economic Zone (EEZ)
- Abers - Côtes des Legendes (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Aegis Spur (Spur)
- Agriates (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Aiguillon Canyon (Canyon(s))
- Aix Canyon (Canyon(s))
- Anse de Fouras, Baie D'Yves, Marais de Rochefort (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Anse de Vauville (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Anse Du Fier D'Ars En Re (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Aramis Canyon (Canyon(s))
- Arcachon Canyon (Canyon(s))
- Archipel de Glénan (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Archipel des Glenan (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ars Canyon (Canyon(s))
- Athos Canyon (Canyon(s))
- Au Droit de L'Étang D'Hourtin-Carcans (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Audierne Canyon (Canyon(s))
- Audierne Levee (Levee)
- Baie D'Audierne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie D'Audierne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Canche et Couloir des Trois Estuaires (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de La Ciotat (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Lancieux, Baie de L'Arguenon, Archipel de Saint Malo et dinard (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Morlaix (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Morlaix (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Quiberon (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Saint-Brieuc - Est (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Saint-Brieuc - Est (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de San Ciprianu : etangs D'Arasu et Iles San Ciprianu et Ilot Cornuta (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Seine Occidentale (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Seine Occidentale (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie de Seine Orientale (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Stagnolu, Golfu di Sognu, Golfe de Porto-Vecchio (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie de Vilaine (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie Du Mont Saint Michel (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Baie Du Mont Saint-Michel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Baie et Cap D'Antibes - Iles de Lerins (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Bancs Sableux de L'Espiguette (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Basse Plaine de L'Aude (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Basse Plaine de L'Aude (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Basse Vallée Du Tavignano (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Basse Vallée Du Var (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Basses Vallées Du Cotentin et Baie des Veys (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Bassin D'Arcachon et Banc D'Arguin (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Bassin D'Arcachon et Cap Ferret (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Beaugé Promontory (Promontory)
- Belle Ile En Mer (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Belle-Ile Canyon (Canyon(s))
- Berthois Spur (Spur)
- Black Mud Canyon (Canyon(s))
- Black Mud Levee (Levee)
- Bonne Anse, Marais de Brejat et de Saint Augustin (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Brest Canyon (Canyon(s))
- Brest Seachannel (Seachannel)
- Calanques et Iles Marseillaises - Cap Canaille et Massif Du Grand Caunet (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Camaret (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Camargue (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Camargue (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Campomoro-Senetosa (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Corse Nord et Ile Finocchiarola, Giraglia et Capense (Cote de Macinaggio A Centuri) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Ferrat (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Ferret Canyon (Canyon(s))
- Cap Rossu, Scandola, Pointe de La Reveletta, Canyon de Calvi (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Sicie - Six Fours (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Sizun (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cap Sizun (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Capo di Feno (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Capu Rossu , Scandola, Revellata, Calvi (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Chaussée de Sein (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Collette Spur (Spur)
- Colonie de Goélands D'Audouin (Larus Audouinii) D'Aspretto/Ajaccio (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Complexe Lagunaire de Bages-Sigean (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Complexe Lagunaire de Lapalme (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Complexe Lagunaire de Salses (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Complexe Lagunaire de Salses-Leucate (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Conti Spur (Spur)
- Corniche de Sete (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Corniche Varoise (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Corniches de La Riviera (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cote Bleue - Chaine de L'Estaque (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cote Bleue Marine (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cote de Cancale A Parame (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Côte de Granit Rose-Sept Iles (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cote de Granit Rose-Sept-Iles (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cote Languedocienne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Cote Médocaine : Dunes Boisées et Dépression Humides (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Côtes de Crozon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Côtes Rocheuses, Dunes, Landes et Marais de L'Île D'Yeu (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cotes Sableuses de L'Infralittoral Languedocien (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cours Inferieur de L'Aude (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Cours Inferieur de L'Herault (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Crozon Canyon (Canyon(s))
- Crozon Seachannel (Seachannel)
- Delesse Spur (Spur)
- Domaine D'Abbadia et Corniche Basque (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Douarnenez Canyon (Canyon(s))
- Dunes de La Sauzaie et Marais Du Jaunay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes de L'Authie et Mollieres de Berck (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes Du Littoral Girondin de La Pointe de Grave Au Cap Ferret (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes et Cotes de Trevignon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes et Côtes de Trévignon (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Dunes et Forets Littorales de L'Ile D'Oleron (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes Modernes Du Littoral Landais D'Arcachon A Mimizan Plage (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Dunes Modernes Du Littoral Landais de Cap Breton A Tarnos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Eastern Crozon Levee (Levee)
- Embiez - Cap Sicie (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Embouchure Du Tech et Grau de La Massane (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Est et Sud de Beziers (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Esterel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Canche (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Canche, Dunes Picardes Plaquees Sur L'Ancienne Falaise, Foret D'Hardelot et Falaise D'Equihen (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Gironde (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Gironde : Marais de La Rive Nord (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Gironde : Marais Du Blayais (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Loire (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Loire (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Loire - Baie de Bourgneuf (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire de La Loire Nord (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Loire Sud - Baie de Bourgneuf (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Rance (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Seine (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de La Vilaine (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaire de L'Orne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire et Basse Vallee de La Charente (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaire et Marais de La Basse Seine (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuaires et Littoral Picards (Baies de Somme et D'Authie) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuaires Picards : Baie de Somme et D'Authie (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Etang de Biguglia (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Etang de Biguglia (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Etang de Lapalme (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Etang de Mauguio (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Etang de Mauguio (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Etang de Palo et Cordon Dunaire (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Etang Du Bagnas (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Etangs Du Narbonnais (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Etangs Palavasiens (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Etangs Palavasiens Et Étang de L'Estagnol (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Falaise Du Bessin Occidental (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Falaises de Niolon (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Falaises de Saint-Jean-de-Luz A Biarritz (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Falaises Du Cran Aux Oeufs et Du Cap Gris-Nez, Dunes Du Chatelet, Marais de Tardinghen et Dunes de Wissant (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Falaises et Dunes de Wimereux, Estuaire de La Slack, Garennes et Communaux D'Ambleteuse-Audresselles (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Falaises et Pelouses Du Cap Blanc Nez, Du Mont D'Hubert, des Noires Mottes, Du Fond de La Forge et Du Mont de Couple (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Folin Spur (Spur)
- Foret de La Pointe de Grave et Marais Du Logit (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- French 12 NM (Territorial Sea)
- French 24 NM (Contiguous zone)
- French Exclusive Economic Zone [Atlantic part] (Marine Region)
- French Exclusive Economic Zone [Mediterranean part] (Marine Region)
- French Internal Waters (Internal waters)
- French part of the Bay of Biscay (Marine Region)
- French part of the Celtic Sea (Marine Region)
- French part of the English Channel (Marine Region)
- French part of the Ligurian Sea (Marine Region)
- French part of the Mediterranean Sea - Western Basin (Marine Region)
- French part of the North Atlantic Ocean (Marine Region)
- French part of the North Sea (Marine Region)
- French part of the Tyrrhenian Sea (Marine Region)
- Gaillard Spur (Spur)
- Golfe D'Ajaccio (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Golfe de Porto et Presqu'Île de Scandola (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Golfe Du Morbihan (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Golfe Du Morbihan, Cote Ouest de Rhuys (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Grand Herbier de La Côte Orientale (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Guilcher Levee (Levee)
- Guilvinec Canyon (Canyon(s))
- Gulf of Porto: Calanche of Piana, Gulf of Girolata, Scandola Reserve (World Marine Heritage Site)
- Havre de La Sienne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Havre de Saint-Germain-Sur-Ay et Landes de Lessay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Hermine Canyon (Canyon(s))
- Ile de Groix (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ile de Re : Dunes et Forets Littorales (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ile de Re : Fier D'Ars (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Iles Cerbicale (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles Cerbicale et Frange Littoral (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Iles de La Colombière, de La Nellière et des Haches (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles D'Hyères (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles et Pointe Bruzzi, etangs de Chevanu et D'Arbitru (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Iles Finocchiarola et Côte Nord (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles Houat-Hoedic (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Iles Houat-Hoëdic (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles Marseillaises - Cassidaigne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles Pinarellu et Roscana (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Iles Sanguinaires, Golfe D'Ajaccio (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iles Sanguinaires, Plage de Lava et Punta Pellusella (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilôt Du Trévors (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilots Notre-dame et Chevret (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Juniperaie de Porto Pollo et Plage de Cupabia (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Dordogne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Garonne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Nivelle (Estuaire, Barthes et Cours D'Eau) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Plaine et Le Massif des Maures (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Pointe Fauconniere (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Rochelle Canyon (Canyon(s))
- L'Adour (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lagune Du Brusc (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lampaul Canyon (Canyon(s))
- Landes et Dunes de La Hague (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Le Croisic Canyon (Canyon(s))
- Le Petit Rhone (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Le Rhone Aval (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Les Orpellieres (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Augeron (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Littoral Cauchois (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Ouest Du Cotentin de Brehal A Pirou (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Ouest Du Cotentin de Saint-Germain-Sur-Ay Au Rozel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Littoral Seino-Marin (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- L'Yeres (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Arriere-Littoraux Du Bessin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Breton, Baie de Bourgneuf, Île de Noirmoutier et Forêt de Monts (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Breton, Baie de Bourgneuf, Île de Noirmoutier et Forêt de Monts (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais de Braud et Saint Louis et de Saint Ciers Sur Gironde (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Brouage (et Marais Nord D'Oléron) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Brouage, Ile D'Oleron (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais de La Seudre (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Lavu Santu et Littoral de Fautea (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Mousterlin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Rochefort (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais de Talmont et Zones Littorales Entre Les Sables et Jard (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais del Sale, Zones Humides Peripheriques et Foret Littorale de Pinia (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Du Cotentin et Du Bessin - Baie des Veys (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Du Haut Medoc (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Du Mès, Baie et Dunes de Pont-Mahé, Étang Du Pont de Fer (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Du Mès, Baie et Dunes de Pont-Mahé, Étang Du Pont de Fer, Île Dumet (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais Du Nord Médoc (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais et Estuaire de La Seudre, Ile D'Oleron (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais et Falaises des Coteaux de Gironde (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Poitevin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Poitevin (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais Poitevin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Salants de Guérande, Traicts Du Croisic et Dunes de Pen-Bron (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marais Salants de Guérande, Traicts Du Croisic, Dunes de Pen Bron (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Marais Vernier et Basse Vallee de La Risle (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Massif Dunaire de Heauville A Vauville (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Massif Dunaire Gavres-Quiberon et Zones Humides Associees (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Maures Escarpment (Escarpment)
- Meriadzek Terrace (Terrace)
- Mor Braz (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Mor-Bihan Fan (Fan)
- Morgat Canyon (Canyon(s))
- Mucchiatana (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Noirmoutier Canyon (Canyon(s))
- Odet Canyon (Canyon(s))
- Oléron Canyon (Canyon(s))
- Ouessant Canyon (Canyon(s))
- Ouessant-Molene (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ouessant-Molène (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Panache de La Gironde (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Panache de La Gironde et Plateau Rocheux de Cordouan (Système Pertuis Gironde) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Penhors Canyon (Canyon(s))
- Penmarc'h Canyon (Canyon(s))
- Pertuis Charentais (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pertuis Charentais - Rochebonne (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Petite Camargue (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Petite Camargue Laguno-Marine (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Petrock Valley (Valley)
- Plateau de Leucate (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Plateau de Leucate (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Plateau de Pertusato/ Bonifacio et Iles Lavezzi (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Plateau de Rochebonne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Plateau Du Cap Corse (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Plateau Du Cap Corse (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Plateau Du Four (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Plateau Rocheux de L'Île D'Yeu (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pointe de Corsen, Le Conquet (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pointe de Senetosa et Prolongements (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pornic Canyon (Canyon(s))
- Porthos Canyon (Canyon(s))
- Portion Du Littoral Sableux de La Cote Aquitaine (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Porto/Scandola/Revellata/Calvi/Calanches de Piana (Zone Terrestre et Marine) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Posidonies de La Cote Palavasienne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Posidonies Du Cap D'Agde (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Préalpes de Grasse (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Presqu'Ile D'Arvert (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Presqu'Ile de Crozon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Prolongement En Mer des Cap et etang de Leucate (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Quiberon Ridge (Ridge)
- Rade de Brest : Baie de daoulas, Anse de Poulmic (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Rade de Brest, Estuaire de L'Aulne (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rade D'Hyeres (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ré Canyon (Canyon(s))
- Récifs et Landes de La Hague (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Récifs et Marais Arrière-Littoraux Du Cap Lévi À La Pointe de Saire (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Recifs Gris-Nez Blanc-Nez (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ria D'etel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rivière de Pénerf (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Riviere de Penerf, Marais de Suscinio (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Riviere et Gorges Du Loup (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Riviere Laita, Pointe Du Talud, etangs Du Loc'H et de Lannenec (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Riviere Leguer, Forets de Beffou, Coat An Noz et Coat An Hay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Roccapina-Ortolo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rochebonne Canyon (Canyon(s))
- Rochers de Biarritz : Le Bouccalot et La Roche Ronde (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roches de Penmarch (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Roches de Penmarc'H (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Sables-d'Olonne Canyon (Canyon(s))
- Saint-Nazaire Canyon (Canyon(s))
- Salins D'Hyères et des Pesquiers (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Secteur Marin de L'Île D'Yeu Jusqu'Au Continent (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Sein Canyon (Canyon(s))
- Tatihou - Saint-Vaast-La-Hougue (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tête de Canyon Du Cap Ferret (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Tre Padule de Suartone, Rondinara (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tregor Goëlo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Trégor Goëlo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Urbino (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Vallee de La Charente (Basse Vallée) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ventilegne-La Trinite de Bonifacio-Fazzio (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Western Crozon Levee (Levee)
- Yeu Canyon (Canyon(s))
- Enseada de San Simón (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Equatorial Guinean part of the North Atlantic Ocean (Marine Region)
- Eriador Seamount (Seamount(s))
- Ericeira Terrace (Terrace)
- Erris Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- ES-05 (HAB monitoring grid)
- ES-06 (HAB monitoring grid)
- ES-07 (HAB monitoring grid)
- ES-08 (HAB monitoring grid)
- ES-09 (HAB monitoring grid)
- ES-10 (HAB monitoring grid)
- ES-11 (HAB monitoring grid)
- ES-28 (HAB monitoring grid)
- ES-29 (HAB monitoring grid)
- Essaouira Promontory (Promontory)
- Essaouira Seamount (Seamount(s))
- Esteiro Do Miño (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Esteiro Do Tambre (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estremadura Promontory (Promontory)
- Estuario del Rio Piedras (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuario del Rio Tinto (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuário Do Sado (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuário Do Sado (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuário Do Tejo (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Estuário Do Tejo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Estuários Dos Rios Minho E Coura (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ételle Ledge (Shoal)
- European Marine Waters (General Sea Area)
- Evlanov Seamount (Seamount(s))
- Exuma Trough (Trough)
- Faeroe Islands (Archipelago)
- Faial Passage (Passage)
- Faial-Pico Channel (Channel)
- False Cay (Rock)
- False Girdle (Rock)
- Fangorn Bank (Bank)
- Fanning Rock (Rock)
- Fanning Shoal (Shoal)
- Faraday Fracture Zone (Fracture Zone)
- Faraday Seamount (Seamount(s))
- Faray and Holm Of Faray (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Farm Ledge (Shoal)
- Faro Rock (Rock)
- Faroe Bank (Bank)
- Faroe Bank Seachannel (Seachannel)
- Faroe Shelf (Shelf)
- Faroe-Shetland Seachannel (Seachannel)
- Farranamanagh Lough (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Father Penney (Rock)
- Faulkners Shoal (Shoal)
- Feni Ridge (Ridge)
- Fermeuse Bantam (Bank)
- Fernandes Lopes Seamount (Seamount(s))
- Fernão Barreto Ridge (Ridge)
- Fernão Oulmo Ridge (Ridge)
- Ferradura Abyssal Plain (Abyssal Plain)
- Fersman Seamount (Seamount(s))
- Fifteen Bank (Bank)
- Fifteen-Twenty Fracture Zone (Fracture Zone)
- Filebottom Canyon (Canyon(s))
- Filipe Folque Spur (Spur)
- Finchley Shoal (Shoal)
- Finisterre Valley (Valley)
- Fippennies Ledge (Bank)
- Fish Rock (Shoal)
- Fishers Island Furrow (Furrow)
- Fishers Island Ridge (Ridge)
- Fishing Rip (Shoal)
- Five Eyed Bulls (Rocks)
- Five Finger Shoal (Shoal)
- Flake Shoal (Shoal)
- Flanagan Seamount (Seamount(s))
- Flannan Isles (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Flat Shoal (Shoal)
- Flatroof Shoal (Rock)
- Fleck Shoal (Shoal)
- Flemish Cap (Bank)
- Flemish Cap (Sampling Station)
- Flemish Pass (Passage)
- Florida Gap (Gap)
- Florida Keys (Archipelago)
- Florida Valley (Valley)
- Florida-Hatteras Slope (Slope)
- Flower Shoal (Rock)
- Flying Point Shoals (Shoal)
- FO-01 (HAB monitoring grid)
- Focinho Peak (Peak)
- Fogo (Island)
- Fogo Seamounts (Seamount(s))
- Fondos Marinos de Bahia de Cadiz (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Foots Cape (Shoal)
- Formigas Bank (Bank)
- Formigas Hill (Hill(s))
- Formigas Hole (Hole)
- Foster Ridge (Ridge)
- Foul Ground (Reef)
- Foula (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Fouqué Bank (Bank)
- Four Fathom Shoal (Rock)
- Fox Rock (Rock)
- Franja Marina de Fuencaliente (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Franja Marina de Mogán (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Franja Marina Santiago-Valle Gran Rey (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Franja Marina Teno-Rasca (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Frank Rock (Rock)
- Frankfurt Seamount (Seamount(s))
- Franklin Basin (Basin)
- Franklin Seamount (Seamount(s))
- Franklin Swell (Rise)
- Freels Rock (Rock)
- Freen Trough (Trough)
- Freire de Andrade Spur (Spur)
- French Bank (Bank)
- French Exclusive Economic Zone (French Guiana) (EEZ)
- French Extended Continental Shelf (French Antilles) (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- French Extended Continental Shelf (French Guiana) (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- French part of the North Atlantic Ocean (Marine Region)
- French part of the North Atlantic Ocean (French Guiana) (Marine Region)
- French part of the North Atlantic Ocean (Guadeloupe) (Marine Region)
- French part of the North Atlantic Ocean (Martinique) (Marine Region)
- French part of the North Atlantic Ocean (Saint-Barthélemy) (Marine Region)
- French part of the North Atlantic Ocean (Saint-Pierre and Miquelon) (Marine Region)
- French Rock (Rock)
- French Rock (Rock)
- Freshwater Ledge (Reef)
- Fripp Shoal (Shoal)
- Frog Island Shoal (Shoal)
- Frontera (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Frying Pan Shoals (Shoal)
- Fundian Valley (Valley)
- Furnas / Sto.António - Ilha Do Pico (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Gago Coutinho Rise (Rise)
- Gaillard Seamount (Seamount(s))
- Galicia Bank (Bank)
- Galicia Bank Region (Extended Continental Shelf (Area of Common Interest))
- Galicia Escarpment (Escarpment)
- Galloper Rock (Rock)
- Galway Bay (Bay)
- Galway Bay Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Gambia Basin (Basin)
- Gambian Exclusive Economic Zone (EEZ)
- Gambian part of the North Atlantic Ocean (Marine Region)
- Gannet Shoal (Shoal)
- Gannet South Shoal (Shoal)
- Gannet Southwest Shoal (Shoal)
- Garcia Knoll (Knoll(s))
- García Knoll (Knoll(s))
- Gardar Ridge (Ridge)
- Garden Bank (Reef)
- Garrett Rock (Shoal)
- Gatas Bay (Bay)
- GB-18 (HAB monitoring grid)
- GB-19 (HAB monitoring grid)
- GB-21 (HAB monitoring grid)
- Geba Canyon (Canyon(s))
- Geddes Shoal (Reef)
- Gentry Bank (Bank)
- George Bligh Bank (Bank)
- George Pyes Shoal (Shoal)
- George Rock (Rock)
- George Rock (Shoal)
- George Seamount (Seamount(s))
- George True Rock (Rock)
- Georges Bank (Bank)
- Georges Basin (Basin)
- Georges Canyon (Canyon(s))
- Georges Mark (Shoal)
- Georges Shoal (Shoal)
- Georges Spot (Shoal)
- Georgia Shelf (Slope)
- Georgij Leonov Seamount (Seamount(s))
- Georgiy Zima Seamount (Seamount(s))
- Gerda Seamount (Seamount(s))
- German Bank (Bank)
- Gettysburg Seamount (Seamount(s))
- Ghanaian part of the North Atlantic Ocean (Marine Region)
- Gibbs Shoal (Shoal)
- Gibraltar Rock (Rock)
- Gil Vicente Spur (Spur)
- Gilbert Canyon (Canyon(s))
- Gilg Seamount (Seamount(s))
- Gilliss Seamount (Seamount(s))
- Ginsburg Hill (Hill(s))
- Girard Ridge (Ridge)
- Glenamoy Bog Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Glengarriff Harbour and Woodland (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Gloria Fracture Zone (Fracture Zone)
- Gloria Rise (Rise)
- Gnitsevich Seamounts (Seamount(s))
- Gob Rock (Rock)
- Goban Spur (Spur)
- Gonçalves Zarco Peak (Peak)
- Gondor Seamount (Seamount(s))
- Gonzalo Velho Cabral Escarpment (Escarpment)
- Goose Point Shoal (Shoal)
- Goose Shoal (Rock)
- Gorée (Island)
- Gorreta Y Salmor (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Gorringe Ridge (Ridge)
- Gosnold Seamount (Seamount(s))
- Graciosa Terrace (Terrace)
- Graham Shoal (Shoal)
- Gramberg Seamount (Seamount(s))
- Grand Banks of Newfoundland (Bank)
- Grand Cess Canyon (Canyon(s))
- Grand Manan Banks (Bank)
- Gravel Shoal (Shoal)
- Graves Shoal (Shoal)
- Great Abaco Canyon (Canyon(s))
- Great Bahama Bank (Bank)
- Great Bahama Bank Drift (Drift)
- Great Bahama Canyon (Canyon(s))
- Great Meteor Bank (Bank)
- Great North (Bank)
- Greater Antilles Ridge (Ridge)
- Green Bank (Bank)
- Green Island Ledge (Rock)
- Green Island Rock (Rock)
- Green Island Shoal (Shoal)
- Green Point Rock (Rock)
- Green Point Shoal (Shoal)
- Green Point Shoal (Shoal)
- Green Shoal (Shoal)
- Greenland-Iceland Rise (Rise)
- Greet Rock (Rock)
- Gregg Seamount (Seamount(s))
- Gregory Rock (Rock)
- Grimaldi Seamounts (Seamount(s))
- Grime Rock (Rock)
- Grindavíkurdjúp (Submarine valley(s))
- Grizzle Rock (Rock)
- Guajataca Canyon (Canyon(s))
- Guaraná Hill (Hill(s))
- Guelguén (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Guiana Plateau (Plateau)
- Güigüí (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Guilcher Levee (Levee)
- Guinea Abyssal Plain (Abyssal Plain)
- Guinea Fracture Zone (Fracture Zone)
- Guinea Terrace (Terrace)
- Guinean Exclusive Economic Zone (EEZ)
- Guinean Islands (Archipelago)
- Guinean part of the North Atlantic Ocean (Marine Region)
- Gulf of Guinea (IHO Sea Area)
- Gulf of Mexico (IHO Sea Area)
- Gulf of Saint Lawrence (IHO Sea Area)
- Gulf Stream (Current)
- Gull Island Ground (Shoal)
- Gull Island Shoal (Shoal)
- Gull Ledge (Rock)
- Gull Nest (Shoal)
- Gull Rock (Rock)
- Gull Shoal (Shoal)
- Gull Shoal (Shoal)
- Gurupi Guyot (Guyot)
- Guy Canyon (Canyon(s))
- Guyanese Exclusive Economic Zone (EEZ)
- Guyanese Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Guyanese part of the North Atlantic Ocean (Marine Region)
- Haddock Channel (Trough)
- Haddock Shoal (Shoal)
- Haitian part of the North Atlantic Ocean (Marine Region)
- Haldimand Canyon (Canyon(s))
- Halfway Rock (Rock)
- Haliburton Shoal (Shoal)
- Halibut Channel (Trough)
- Halifax Line Station 3 (Sampling Station)
- Ham Shoal (Rock)
- Hansom Shoal (Shoal)
- Hapes Rock (Rock)
- Harbour Rock (Rock)
- Harbour Rock (Rock)
- Harbour Shoal (Shoal)
- Harbour Spit (Spit)
- Harcourt Cameron Ridge (Ridge)
- Hardwood Island Shoal (Shoal)
- Harp Bank (Bank)
- Harper Shoal (Shoal)
- Harrington Hill (Hill(s))
- Harris Ledge (Reef)
- Harris Shoal (Shoal)
- Harry Rock (Rock)
- Harts Point Rock (Rock)
- Harvey Shoal (Shoal)
- Hatch Cove Shoal (Shoal)
- Hatteras Abyssal Plain (Abyssal Plain)
- Hatteras Canyon (Canyon(s))
- Hatteras Ridge (Ridge)
- Hatton Bank (Bank)
- Hatton-Rockall Basin (Basin)
- Haut-fond de Roche (Shoal)
- Hawbolt Rock (Rock)
- Hay Island Bank (Bank)
- Hayes Fracture Zone (Fracture Zone)
- Haystack Bank (Bank)
- Head Rock (Rock)
- Head Rock Shoal (Shoal)
- Hebridean Shelf (Shelf)
- Hebrides Terrace Seamount (Seamount(s))
- Hecate Seamount (Seamount(s))
- Heel Tapper Canyon (Canyon(s))
- Heezen Plateau (Plateau)
- Heitor Alvares Seamount (Seamount(s))
- Hendrickson Canyon (Canyon(s))
- Hennessey Bank (Bank)
- Hennessey Rock (Rock)
- Henrique Cardoso Spur (Spur)
- Henry Rock (Rock)
- Henrys Shoal (Shoal)
- Heptige Rock (Rock)
- Hercules Hole (Hole)
- Hero Shoal (Shoal)
- Heron Rock (Rock)
- Herring Shoal (Shoal)
- High Island, Inishshark and davillaun Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- High Seas of the North Atlantic Ocean (Marine Region)
- Hillier Rock (Rock)
- Hirondelle Basin (Basin)
- Hirondelle II Seamount (Seamount(s))
- Hirondelle Seamount (Seamount(s))
- Hispaniola Plain (Plain)
- Hispaniola Trough (Trough)
- Hodges Seamount (Seamount(s))
- Hodgson Seamount (Seamount(s))
- Hogsty Reef (Reef)
- Hollett Rock (Rock)
- Hooper Rock (Rock)
- Hopkin Rock (Rock)
- Hornafjarðardjúp (Submarine valley(s))
- Horne Shoal (Shoal)
- Horse Race (Shoal)
- Horse Rock (Rock)
- Horse Rock (Rock)
- Horse Shoal (Shoal)
- Horse Shoal (Shoal)
- Horseshoe Plain (Plain)
- Horseshoe Rock (Shoal)
- Horseshoe Seamounts (Seamount(s))
- Houses Ground (Shoal)
- Hovland Mound Province (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Howell Basin (Basin)
- Howell Swell (Rise)
- Hoyles Canyon (Canyon(s))
- Hoyt Hills (Hill(s))
- Hudson Canyon (Canyon(s))
- Hudson Fan (Fan)
- Hudson Shelf Valley (Submarine valley(s))
- Hudson Valley (Submarine valley(s))
- Hugo de Lacerda Seamount (Seamount(s))
- Hull Canyon (Canyon(s))
- Hume Shoal (Shoal)
- Hungarian Rock (Rock)
- Huskins Reef (Reef)
- Hutt Shoal (Shoal)
- Hydrographer Canyon (Canyon(s))
- Hyères Seamount (Seamount(s))
- Iberian Abyssal Plain (Abyssal Plain)
- Ibero-Moroccan Gulf (Gulf)
- Iceland Basin (Basin)
- Iceland-Faeroe Front (Front)
- Iceland-Faeroe Rise (Rise)
- Icelandic Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Icelandic part of the North Atlantic Ocean (Marine Region)
- IE-05 (HAB monitoring grid)
- IE-06 (HAB monitoring grid)
- IE-07 (HAB monitoring grid)
- IE-08 (HAB monitoring grid)
- Ijuana (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilha do Pessegueiro (Protected Area)
- Ilhas Berlengas (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilhas desertas (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Ilhas Selvagens (Archipelago)
- Ilhas Selvagens (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Ilhéu da Praia - Ilha Graciosa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilhéu da Vila E Costa Adjacente - Ilha de Stª. Maria (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilhéu da Viúva (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilhéu das Formigas E Recife Dollabarat (Canal S. Miguel - Sta. Maria) (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilhéu de Baixo - Ilha Graciosa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilhéu de Baixo - Restinga Ilha Graciosa (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilhéu Do Topo E Costa Adjacente - Ilha de S. Jorge (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ilhéus da Madalena - Ilha Do Pico (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ilhéus Do Porto Santo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Illa de Ons (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Illancrone and Inishkeeragh Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Illanmaster Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Illas Cíes (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Illas Estelas (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Illaunonearaun Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Imarssuak Sea Channel (Seachannel)
- Independence Knolls (Knoll(s))
- Infante Dom Henrique Hill (Hill(s))
- Infante Dom Pedro Hill (Hill(s))
- Infante Santo Hill (Hill(s))
- Inishbofin and Inishshark (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Inishbofin, Omey Island and Turbot Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inishduff Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inisheer Island (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Inishglora and Inishkeeragh Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inishkea Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Inishkea Islands Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inishkeel Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inishmaan Island (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Inishmore Island (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Inishmore Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inishmurray Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inner Clearing Shoal (Shoal)
- Inner Galway Bay Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Inner Middle Rock (Rock)
- Inner Pollock (Shoal)
- Inner Rock (Rock)
- Inner Seas off the West Coast of Scotland (IHO Sea Area)
- Inner Shoal (Shoal)
- Inside Annies Shoal (Shoal)
- Inside Bull Shoal (Shoal)
- Inside Rock (Rock)
- Ireland Reef (Reef)
- Ireland Trough (Trough)
- Irish Exclusive economic Zone (EEZ)
- Irish Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Irish Extended Continental Shelf (DOALOS Deposit) (Extended Continental Shelf (DOALOS Deposit))
- Irish Ledge (Shoal)
- Irish North Coast (General Sea Area)
- Irish part of the North Atlantic Ocean (Marine Region)
- Irish Sea and St. George's Channel (IHO Sea Area)
- Irish West Coast (General Sea Area)
- Irminger Basin (Basin)
- Irminger Current (Current)
- Irminger Sea (Sea)
- Iron Island Bank (Bank)
- Ironbound Bank (Bank)
- Ironbound Breaker (Rock)
- Irving Seamount (Seamount(s))
- IS-01 (HAB monitoring grid)
- Isaac Rock (Rock)
- Isaac Rock (Rock)
- Isaacs Shoals (Shoal)
- Ísafjarðardjúp (Submarine valley(s))
- Isengard Ridge (Ridge)
- Isla de San Bruno (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Islote de Lobos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Islotes del Norte de Lanzarote Y Famara (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Iveragh Peninsula Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ivorian Extended Continental Shelf (CLCS Recommendation) (Extended Continental Shelf (CLCS Recommendation))
- Ivorian part of the North Atlantic Ocean (Marine Region)
- Jack Langilles Shoal (Shoal)
- Jackie Shoal (Shoal)
- Jackman Canyon (Canyon(s))
- Jackrock Bank (Bank)
- Jacksonville Canyon (Canyon(s))
- Jacksonville Knoll (Knoll(s))
- Jacksonville Valley (Submarine valley(s))
- Jacquards Ridge (Reef)
- Jacques Shoal (Shoal)
- Jacques Swell (Rise)
- Jameos del Agua (Submarine lava tube)
- Jandía (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Jandía (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Jane Seamount (Seamount(s))
- J-Anomaly Ridge (Ridge)
- Jarvis Bank (Bank)
- Jean de Baie Bank (Bank)
- Jeans Rock (Rock)
- Jeans Rock (Rock)
- Jeffreys Bank (Bank)
- Jeffreys Basin (Basin)
- Jeffreys Ledge (Ridge)
- Jerseyman Rock (Rock)
- Jig Rock (Rock)
- João de Lisboa Passage (Passage)
- João Leonardes Hills (Hill(s))
- João Valadão Ridge (Ridge)
- Joao Valente Bank (Shoal)
- Joe Ground (Shoal)
- Joe Ground (Rock)
- Joe Rock (Rock)
- John Bank (Bank)
- John Davies Shoal (Shoal)
- John Nix Shoal (Shoal)
- John Spot (Shoal)
- John Walsh Shoal (Shoal)
- Johns Rock (Rock)
- Johns Rock (Shoal)
- Johns Shoal (Shoal)
- Johns Shoal (Shoal)
- Johs van Hurtere Hills (Hill(s))
- Joint regime area France / United Kingdom / Ireland / Spain (CLCS Recommendation) (Extended Continental Shelf (Joint CLCS Recommendation))
- Joint regime area West Africa (CLCS Submission) (Extended Continental Shelf (Joint CLCS Submission))
- Joint regime area: Barbados / Guyana (Joint regime (EEZ))
- Joint regime area: Barbados / Guyana part of the North Atlantic Ocean (Marine Region)
- Joint regime area: Iceland / Denmark (Faeroe Islands) (Joint regime (EEZ))
- Joint regime area: Iceland / Denmark (Faeroe Islands) part of the North Atlantic Ocean (Marine Region)
- Joint regime area: Senegal / Guinea-Bissau (Joint regime (EEZ))
- Joint regime area: Senegal / Guinea-Bissau part of the North Atlantic Ocean (Marine Region)
- Joint regime area: United Kingdom / Denmark (Faeroe Islands) (Joint regime (EEZ))
- Joint regime area: United Kingdom / Denmark (Faeroe Islands) part of the North Atlantic Ocean (Marine Region)
- Jökuldjúp (Submarine valley(s))
- Jones Canyon (Canyon(s))
- Jonquière Bank (Bank)
- Josephine Bank (Bank)
- Jukes Canyon (Canyon(s))
- Jumping Jack (Rock)
- Jumping Jack Bank (Bank)
- Justus Seamount (Seamount(s))
- Kamchatka Knoll (Knoll(s))
- Kane Fracture Zone (Fracture Zone)
- Kane Passage (Passage)
- Kane Seamount (Seamount(s))
- Kangerlussuaq Valley (Submarine valley(s))
- Kangermio Canyon (Canyon(s))
- Kapuskasing Saddle (Saddle)
- Kayar Canyon (Canyon(s))
- Kayar Seamounts (Seamount(s))
- Keeper Reef (Reef)
- Keldysh Seamount (Seamount(s))
- Keller Canyon (Canyon(s))
- Kelp Ledge (Shoal)
- Kelp Rocks (Rocks)
- Kelp Shoal (Shoal)
- Kelp Shoal (Shoal)
- Kelp Shoal (Shoal)
- Kelpy Sunker (Rock)
- Kelvin Seamount (Seamount(s))
- Kenmare River (Estuary)
- Kenmare River (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Kerry Head Shoal (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Kerry Head Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Kettle Canyon (Canyon(s))
- Kettlebottom Rock (Rock)
- Keynes Rock (Rock)
- Kilkee Reefs (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Kilkieran Bay (Bay)
- Kilkieran Bay and Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Killala Bay/Moy Estuary (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Killala Bay/Moy Estuary Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Killarney National Park, Macgillycuddy'S Reeks and Caragh River Catchment (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Killary Harbour (Bay)
- King Arthur Canyon (Canyon(s))
- Kings Trough (Trough)
- Kinlan Canyon (Canyon(s))
- Kirby Rock (Rock)
- Kitiwiti Shoal (Shoal)
- Kitts Reef (Reef)
- Kiwi Seamount (Seamount(s))
- Knauss Seamount (Seamount(s))
- Knipovich Seamount (Seamount(s))
- Kolluáll (Submarine valley(s))
- Krylov Seamount (Seamount(s))
- Kucherov Seamount (Seamount(s))
- Kurchatov Fracture Zone (Fracture Zone)
- La Corona (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- La Coruña Seamounts (Seamount(s))
- La Coruña Valley (Valley)
- La Geria (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- La Haye Shoal (Shoal)
- La Rambla de Castro (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Labrador Sea (IHO Sea Area)
- Lachlan Shoal (Shoal)
- Lackan Saltmarsh and Kilcummin Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lage Canyon (Canyon(s))
- Lages (Flat)
- Lago Sebkha (Lagoon)
- Lagoa da Sancha (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Lagoa de Santo andré (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- LaHave Bank (Bank)
- LaHave Basin (Basin)
- Lajares, Esquinzo Y Costa del Jarubio (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Lajes Do Pico - Ilha Do Pico (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lamb Rock (Shoal)
- Lamjaybir Canyon (Canyon(s))
- Lance Rock (Rock)
- Lang Shoal (Shoal)
- Larkin Shoal (Shoal)
- Latour Rock (Rock)
- Laurentian Channel (Seachannel)
- Laurentian Fan (Fan)
- Laurier Rock (Rock)
- Laurisilva da Madeira (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Lawn Bank (Bank)
- Lawrences Rock (Rock)
- Lawsons Shoal (Shoal)
- Le Gouic Seamount (Seamount(s))
- Leeward Islands (Archipelago)
- Lenc Hill (Hill(s))
- Leonard Canyon (Canyon(s))
- L'Espérance Seamounts (Seamount(s))
- L'Hirondelle Norte Bank (Bank)
- L'Hirondelle Sul Basin (Basin)
- Liar Rock (Rock)
- Liberian Exclusive Economic Zone (EEZ)
- Liberian Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Liberian part of the North Atlantic Ocean (Marine Region)
- Lichfield Shoal (Shoal)
- Lighthouse Bank (Bank)
- Lilly Canyon (Canyon(s))
- Lindenkohl Basin (Basin)
- Lindenkohl Canyon (Canyon(s))
- Lindenkohl Knolls (Knoll(s))
- Lindenows Valley (Submarine valley(s))
- Lion Bank (Bank)
- Lisboa Canyon (Canyon(s))
- Liscomb Shoal (Shoal)
- Litoral Norte (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Little Abaco Canyon (Canyon(s))
- Little Badger Rock (Rock)
- Little Bahama Bank (Bank)
- Little Bahama Bank Drift (Drift)
- Little Bald Tusket Shoal (Shoal)
- Little Breaker (Shoal)
- Little Egg Inlet (Bay)
- Little Georges (Shoal)
- Little Green Point Shoal (Shoal)
- Little Hawbolt Shoal (Shoal)
- Little Hope Shoal (Shoal)
- Little Horse Race (Shoal)
- Little Hurley Shoal (Shoal)
- Little Lurcher (Shoal)
- Little Nest (Rock)
- Little Pollock (Shoal)
- Little Rock (Rock)
- Little Shoal (Shoal)
- Little Shoal (Shoal)
- Little Stellwagen Basin (Basin)
- Little Tillies Bank (Bank)
- Little Tom Cod (Shoal)
- Liverpool Ledge (Reef)
- Llanos de La Corona Y Tegala Grande (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Llanos de La Mareta Y Cantil del Rubicón (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Loch Roag Lagoons (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lockwood Rock (Rock)
- Logan Canyon (Canyon(s))
- Loko Knoll (Knoll(s))
- Lombardi Seamount (Seamount(s))
- Lone Rock (Rock)
- Long Island Bank (Bank)
- Long Island Continental Shelf (Continental Shelf (Physical))
- Long Island Sound (bay) (Bay)
- Long Point Shoal (Shoal)
- Long Reef (Reef)
- Long Rocks (Rocks)
- Long Shoal (Shoal)
- Long Shoal (Shoal)
- Lónsdjúp (Submarine valley(s))
- Loop Head Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Lórien Knoll (Knoll(s))
- Lorway Shoal (Shoal)
- Los Acantilados de La Culata (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Los Ajaches (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Los Islotes (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Los Jameos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Los Órganos (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Los Órganos (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Los Roques de Anaga (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Los Volcanes (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lough Gall Bog (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lough Melvin (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Louisbourg (Sampling Station)
- Loury Canyon (Canyon(s))
- Lousy Bank (Bank)
- Lovetts Shoal (Shoal)
- Lower Bay Shoal (Shoal)
- Lower Big Shoal (Shoal)
- Lower New York Bay (Bay)
- Lower River Shannon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lucky Strike (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Lucky Strike Hole (Hole)
- Lukin-Lebedev Seamount (Seamount(s))
- Lumpfish Shoal (Shoal)
- Lumsden Shoal (Shoal)
- Lurcher Shoal (Shoal)
- Lydonia Canyon (Canyon(s))
- Lynch Seamount (Seamount(s))
- Lynch Shoal (Shoal)
- Macaronesian Islands (Archipelago)
- MacDermids Rock (Rock)
- Mackay-Bennett Knoll (Knoll(s))
- Mackay-Bennett Seamount (Seamount(s))
- Mackenzie Spot (Bank)
- Mackerel Rock (Rock)
- Mackerel Shoal (Shoal)
- Mackerel Shoal (Shoal)
- MacKinley Shoal (Shoal)
- MacLeans Shoal (Shoal)
- Mad Rock (Rock)
- Madeira (Island)
- Madeira Abyssal Plain (Abyssal Plain)
- Madeira Rise (Rise)
- Magharee Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Magharee Islands Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Maimón Basin (Basin)
- Maimón Escarpment (Escarpment)
- Main Ledge (Shoal)
- Maio (Island)
- Maio Seamount (Seamount(s))
- Majona (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Major Shoal (Shoal)
- Mallays Rock (Rock)
- Maloney Ledge (Reef)
- Maloney Shoal (Shoal)
- Malpaís de La Rasca (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Mameyes Canyon (Canyon(s))
- Man of War Rock (Rock)
- Man of War Rock (Rock)
- Manatee Bay (Bay)
- Mandingo Canyon (Canyon(s))
- Manning Seamounts (Seamount(s))
- Mar de Las Calmas (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Marajó Seamounts (Seamount(s))
- Marchant Seamount (Seamount(s))
- Mare Shoal (Shoal)
- Margarethe Seamounts (Seamount(s))
- Marietta Seamount (Seamount(s))
- Marismas de Isla Cristina (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Marismas del Odiel (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Marismas del Rio Piedras Y Flecha del Rompido (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Markov Hole (Hole)
- Mars Rock (Rock)
- Marsala Seamount (Seamount(s))
- Marsh Gutter Rock (Rock)
- Martha's Vineyard (Island)
- Martin Behaim Seamounts (Seamount(s))
- Marwick Head (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Mary Celeste Seamounts (Seamount(s))
- Maryland Shelf (Shelf)
- Massachusetts Bay (Bay)
- Massachusetts Continental Shelf (Slope)
- Matinicus Basin (Basin)
- Maumturk Mountains (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Mauritania Canyon (Canyon(s))
- Mauritanian Exclusive Economic Zone (EEZ)
- Mauritanian part of the North Atlantic Ocean (Marine Region)
- Maury Channel (Seachannel)
- Mavillette Shoal (Shoal)
- Maxwell Fracture Zone (Fracture Zone)
- Mazarovich Seamount (Seamount(s))
- McAlinden Spur (Spur)
- McAlinden Valley (Submarine valley(s))
- McDormand Patch (Shoal)
- McGowan Seamount (Seamount(s))
- McKay Rock (Rock)
- McMaster Canyon (Canyon(s))
- Medio-Atlantica Ridge (Ridge)
- Mediterranean Outflow Water (Water mass)
- Medway Ledge (Reef)
- Meisners Shoal (Shoal)
- Melmoore Seamount (Seamount(s))
- Menez Gwen (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Menner Seamount (Seamount(s))
- Merasheen Bank (Bank)
- Mercury Rock (Rock)
- Meriadzek Terrace (Terrace)
- Merlin Rock (Rock)
- Mey Canyon (Canyon(s))
- Miami Terrace (Terrace)
- Michael Keen Canyon (Canyon(s))
- Michael Seamount (Seamount(s))
- Mid Ledge (Shoal)
- Mid-Clare Coast Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Middle Bank (Bank)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Ground (Shoal)
- Middle Grounds (Shoal)
- Middle Island Rock (Rock)
- Middle Ledge (Rock)
- Middle Patch (Shoal)
- Middle Point Rock (Rock)
- Middle Rock (Rock)
- Middle Rock (Rock)
- Middle Rock (Rock)
- Middle Rock (Rock)
- Middle Rock (Rock)
- Middle Shoal (Shoal)
- Middle Shoal (Shoal)
- Middle Shoal (Shoal)
- Middle Shoal (Shoal)
- Middle Shoals (Shoal)
- Middle Toms Canyon (Canyon(s))
- Miller Rock (Rock)
- Milne Seamounts (Seamount(s))
- Mine Rock (Rock)
- Minia Seamount (Seamount(s))
- Misaine Bank (Bank)
- Mitchell Escarpment (Escarpment)
- Mogador (Island)
- Moll Rock (Rock)
- Molodezhnaya Seamount (Seamount(s))
- Momar (Research Station)
- Mona Passage (Channel)
- Mona Seamount (Seamount(s))
- Mona Spur (Spur)
- Mona Trough (Trough)
- Monach Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Monach Isles (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Monaco Deep (Deep)
- Monaco Spur (Spur)
- Monasco Shoal (Shoal)
- Moneen Mountain (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Monks Bank (Bank)
- Monks Ground (Shoal)
- Monroe Rock (Rock)
- Montaña del Cepo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Monte da Guia - Ilha Do Faial (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Monte E Lagoa de Louro (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Montmagny Seamount (Seamount(s))
- Moratties Shoals (Shoal)
- Mor-Bihan Fan (Fan)
- Moroccan Atlantic (General Sea Area)
- Moroccan part of the North Atlantic Ocean (Marine Region)
- Moroccan Reef (Sea)
- Mortier Bank (Bank)
- Mortier Rock (Rock)
- Moser Rock (Rock)
- Moses Rock (Rock)
- Moses Shoal (Shoal)
- Motion Ledges (Spit)
- Mouchoir Bank (Bank)
- Mount Brandon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Mount Temple Seamount (Seamount(s))
- Mountain Shoals (Shoal)
- MR-01 (HAB monitoring grid)
- Mugia Canyon (Canyon(s))
- Muir Seamount (Seamount(s))
- Mullet Peninsula Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Mullet/Blacksod Bay Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Mungo Park Seamounts (Seamount(s))
- Munson Canyon (Canyon(s))
- Muratov Seamount (Seamount(s))
- Murchison Seamount (Seamount(s))
- Murdeira bay (Bay)
- Murder Island Bar (Shoal)
- Murphy Rock (Rock)
- Murr Basin (Basin)
- Murray Basin (Basin)
- Murray Shoal (Shoal)
- Mushaboom Shoal (Shoal)
- Musquodoboit Shoal (Shoal)
- Mussel Ledge (Shoal)
- Mussel Rock (Rock)
- Mweelrea/Sheeffry/Erriff Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Myra Crowells Shoal (Shoal)
- Mytilus Seamount (Seamount(s))
- Nadezhda Seamount (Seamount(s))
- Nadir Seamount (Seamount(s))
- NAFO 1F (NAFO Area)
- NAFO 2J (NAFO Area)
- NAFO 3K (NAFO Area)
- NAFO 3L (NAFO Area)
- NAFO 3M (NAFO Area)
- NAFO 3N (NAFO Area)
- NAFO 3O (NAFO Area)
- NAFO 3PS (NAFO Area)
- NAFO 4VN (NAFO Area)
- NAFO 4VS (NAFO Area)
- NAFO 4W (NAFO Area)
- NAFO 4X (NAFO Area)
- NAFO 5Y (NAFO Area)
- NAFO 5ZE (NAFO Area)
- NAFO 5ZW (NAFO Area)
- NAFO 6A (NAFO Area)
- NAFO 6B (NAFO Area)
- NAFO 6C (NAFO Area)
- NAFO 6D (NAFO Area)
- NAFO 6E (NAFO Area)
- NAFO 6F (NAFO Area)
- NAFO 6G (NAFO Area)
- NAFO 6H (NAFO Area)
- Nantucket Canyon (Canyon(s))
- Nares Abyssal Plain (Abyssal Plain)
- Nares Basin (Basin)
- Nashville Seamount (Seamount(s))
- Nauffts Rock (Rock)
- Nautilus Rock (Rock)
- Navidad Bank (Bank)
- Navio Quebrado Bay (Bay)
- Nazaré Canyon (Canyon(s))
- Neddick Basin (Basin)
- Nesdjúp (Submarine valley(s))
- Nest Rock (Rock)
- Net Rock (Rock)
- Net Shoal (Shoal)
- Neva Seachannel (Seachannel)
- Never Fail (Rock)
- Neverfail Rock (Rock)
- Neverfail Shoal (Shoal)
- Neverfail Shoal (Shoal)
- New Bank (Bank)
- New England Seamounts (Seamount(s))
- New Harbour Rock (Shoal)
- New Jersey Shelf (Slope)
- New York Bight (Bight)
- New York Continental Slope (Slope)
- Newellton Reef (Reef)
- Newfoundland Basin (Basin)
- Newfoundland Plain (Plain)
- Newfoundland Ridge (Ridge)
- Newfoundland Seamounts (Seamount(s))
- Nick Shoal (Shoal)
- Nickerson Bank (Shoal)
- Nickerson Rock (Rock)
- Nine Fathom Bank (Bank)
- Niños Knoll (Knoll(s))
- Niños Valley (Valley)
- Nixons Mate Shoal (Shoal)
- Noddy Island Bar (Bank)
- Noddy Island Ground (Shoal)
- Nola Seamount (Seamount(s))
- Nonsuch Bank (Bank)
- Norfolk Canyon (Canyon(s))
- North American Basin (Basin)
- North Atlantic Current (Current)
- North Atlantic Subtropical Gyre (Current)
- North Atlantic Water (Water mass)
- North Carolina Shelf (Shelf)
- North Charcot Seamount (Seamount(s))
- North East Atlantic (General Sea Area)
- North Equatorial Countercurrent (Current)
- North Equatorial Current (Current)
- North Equatorial Undercurrent (Current)
- North European Atlantic (General Sea Area)
- North Heyes Canyon (Canyon(s))
- North Ledge (Shoal)
- North Polar Front (Front)
- North Rona (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- North Rona and Sula Sgeir (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- North Sea (IHO Sea Area)
- North Sutherland Coastal Islands (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- North West Atlantic (General Sea Area)
- North West Rockall Bank (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Northeast Bank (Bank)
- Northeast Breaker (Rock)
- Northeast Channel (Valley)
- Northeast Coachman (Reef)
- Northeast Newfoundland Rise (Rise)
- Northeast Shoal (Shoal)
- Northeast Shoal (Shoal)
- Northeast Shoal (Shoal)
- Northern North Atlantic (General Sea Area)
- Northern Rock (Shoal)
- Northern Spur (Spur)
- Northern Valley (Bank)
- Northward Rock (Rock)
- Northwest Atlantic Mid-Ocean Channel (Channel)
- Northwest Breaker (Rock)
- North-West Porcupine Bank (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Northwest Shoal (Shoal)
- Northwest Shoals (Reef)
- Northwest Sunker (Rock)
- Northwestern Iberia Margin Drift M1 (Drift)
- Northwestern Iberia Margin Drift MES1 (Drift)
- Northwestern Iberia Margin Drift MES10 (Drift)
- Northwestern Iberia Margin Drift MES11 (Drift)
- Northwestern Iberia Margin Drift MES12 (Drift)
- Northwestern Iberia Margin Drift MES13 (Drift)
- Northwestern Iberia Margin Drift MES2 (Drift)
- Northwestern Iberia Margin Drift MES3 (Drift)
- Northwestern Iberia Margin Drift MES4 (Drift)
- Northwestern Iberia Margin Drift MES5 (Drift)
- Northwestern Iberia Margin Drift MES6 (Drift)
- Northwestern Iberia Margin Drift MES7 (Drift)
- Northwestern Iberia Margin Drift MES8 (Drift)
- Northwestern Iberia Margin Drift MES9 (Drift)
- Northwestern Iberia Margin Drift P1 (Drift)
- Northwestern Iberia Margin Drift P2 (Drift)
- Northwestern Iberia Margin Drift P3 (Drift)
- Northwestern Iberia Margin Drift P4 (Drift)
- Northwestern Iberia Margin Drift P5 (Drift)
- Northwestern Iberia Margin Drift P6 (Drift)
- Northwestern Iberia Margin Drift P7 (Drift)
- Northwestern Iberia Margin Drift P8 (Drift)
- Northwestern Iberia Margin Drift P9 (Drift)
- Northwestern Shoal (Shoal)
- Norwegian Coastal Current (Current)
- Norwegian Current (Current)
- Nose of the Bank (Bank)
- Nose Shoal (Shoal)
- Nouadhibou Canyon (Canyon(s))
- Nouakchott Canyon (Canyon(s))
- NR-1 Hole (Hole)
- Nublo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Nwayfadh Canyon (Canyon(s))
- Nygren Canyon (Canyon(s))
- Oceanographer Canyon (Canyon(s))
- Oceanographer Fracture Zone (Fracture Zone)
- Oderin Bank (Bank)
- Off Achill Head (General Sea Area)
- Off Banjul (General Sea Area)
- Off Bantry Bay (General Sea Area)
- Off Blackrock (General Sea Area)
- Off County Kerry (General Sea Area)
- Off County Mayo (General Sea Area)
- Off Dingle Bay (General Sea Area)
- Off Donegal Bay (General Sea Area)
- Off Dursey Head (General Sea Area)
- Off Eagle Island (General Sea Area)
- Off Kerry Coast (General Sea Area)
- Off Mayo Coast (General Sea Area)
- Off North West (General Sea Area)
- Off Rockall (General Sea Area)
- Off Skelligs (General Sea Area)
- Off Tearaght (General Sea Area)
- Off West Coast (General Sea Area)
- Offer Bank (Bank)
- Offer Ledge (Shoal)
- Offer Rock (Rock)
- Offer Rock (Rock)
- Offer Rock (Rock)
- Old Domestic Building, Dromore Wood (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Old Haman Rock (Rock)
- Old Harry (Rock)
- Old Harry (Rock)
- Old Man Shoal (Shoal)
- Old Man Shoal (Shoal)
- Old Mother Slate Rock (Rock)
- Old Notch (Shoal)
- Old Peter (Rock)
- Old Poe Shoal (Shoal)
- Old South Shoal (Shoal)
- Oldhead Wood (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Olympus Knoll (Knoll(s))
- Orone (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Orphan Seamount (Seamount(s))
- Ortegal Terrace (Terrace)
- Ost Bank (Bank)
- Otter Bank (Bank)
- Otterswick and Graveland (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Oualo Canyon (Canyon(s))
- Outer Bank (Bank)
- Outer Burgeo Ground (Shoal)
- Outer Clearing Shoal (Shoal)
- Outer Farm Ledge (Shoal)
- Outer Hummock (Shoal)
- Outer Middle Ground (Shoal)
- Outer Middle Rock (Rock)
- Outer Rock (Rock)
- Outer Rock (Rock)
- Outer Shoal (Shoal)
- Outside Annies Shoal (Shoal)
- Outside Dry Rock (Rock)
- Outside Wedge Shoal (Shoal)
- Oven Rock (Rock)
- Overlapping claim Wake Island / Enenkio: United States / Marshall Islands (Overlapping claim)
- Overlapping claim Western Sahara: Western Sahara / Morocco (Overlapping claim)
- Overlapping claim Western Sahara: Western Sahara / Morocco part of the North Atlantic Ocean (Marine Region)
- Overlapping claim: Bahamas (CLCS Submission) / United States (Non-UNCLOS Claim) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Barbados (CLCS Recommendation) / France (French Antilles) (CLCS Recommendation) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Barbados (CLCS Recommendation) / Guyana (CLCS Submission) / Suriname (DOALOS Deposit) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Barbados (CLCS Recommendation) / Guyana (CLCS Submission) / Suriname (DOALOS Deposit) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Barbados (CLCS Recommendation) / Guyana (CLCS Submission) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Barbados (CLCS Recommendation) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Canada (CLCS Submission) / France (Saint-Pierre and Miquelon) (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Canada (CLCS Submission) / United States (Non-UNCLOS Claim) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Denmark (Faeroe) (CLCS Submission) / Ireland (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Denmark (Faeroe) (CLCS Submission) / United Kingdom (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Denmark (Greenland) (CLCS Submission) / Iceland (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: French Guiana (CLCS Recommendation) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Guyana (CLCS Submission) / Suriname (DOALOS Deposit) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Guyana (CLCS Submission) / Suriname (DOALOS Deposit) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Guyana (CLCS Submission) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Guyana / Trinidad and Tobago / Venezuela part of the North Atlantic Ocean (Marine Region)
- Overlapping claim: Ireland (DOALOS Deposit) / Ireland (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Joint regime area West Africa (CLCS Submission) / Liberia (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Portugal (CLCS Submission) / Spain (Canary Islands) (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Portugal (CLCS Submission) / Spain (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: Suriname (DOALOS Deposit) / Trinidad and Tobago (CLCS Submission) (Overlapping claim (Extended Continental Shelf))
- Overlapping claim: United States (Puerto Rico) / Dominican Republic part of the North Atlantic Ocean (Marine Region)
- Owen Rock (Rock)
- Owls Head Rock (Rock)
- Paddle Rock (Rock)
- Paddle Rocks (Rocks)
- Paddock Shoal (Shoal)
- Paddy Rock (Rock)
- Page Rock (Rock)
- Palmer Ridge (Ridge)
- Pamlico Canyon (Canyon(s))
- Pan Rock (Rock)
- Pan Shoal (Shoal)
- Panama Canal (Canal)
- Pancake Shoal (Shoal)
- Panulirus Seamount (Seamount(s))
- Papa Bank (Bank)
- Papa Stour (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Papa Stour (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Papa Westray (North Hill and Holm) (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Para Abyssal Plain (Abyssal Plain)
- Pará Hill (Hill(s))
- Pardo Bazán Spur (Spur)
- Parfait Bank (Bank)
- Parker Ridge (Ridge)
- Parque Nacional de Timanfaya (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Passage Bull (Rock)
- Passage Ground (Shoal)
- Passage Shoal (Rock)
- Pastouret Spur (Spur)
- Pat Shoal (Shoal)
- Patrick's Rock (Rock)
- Pea Patch (Shoal)
- Peake Trough (Trough)
- Pedro Nunes Seamounts (Seamount(s))
- Pendragon Escarpment (Escarpment)
- Peniche / Stª Cruz (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pennel Shoal (Shoal)
- Perch Rock (Rock)
- Perestrelo Bartolomeu Hill (Hill(s))
- Pêro Correia da Cunha Hill (Hill(s))
- Peter Shoal (Shoal)
- Petite Sole Valley (Valley)
- Petpeswick Shoal (Shoal)
- Petrock Valley (Valley)
- Petrov Fracture Zone (Fracture Zone)
- Pettersson Escarpment (Escarpment)
- Petty Harbour Ledges (Ledge(s))
- Peyve Seamount (Seamount(s))
- Phelps Bank (Shoal)
- Phoenix Canyon (Canyon(s))
- Phoenix Shoal (Shoal)
- Physalia Seamount (Seamount(s))
- Pick Ledge (Reef)
- Picket Seamount (Seamount(s))
- Pico Fracture Zone (Fracture Zone)
- Pico Trough (Trough)
- Pig Bank (Bank)
- Pig Ledge (Reef)
- Pigeon Basin (Basin)
- Pillsbury Ridge (Ridge)
- Pining Canyon (Canyon(s))
- Pink Rock (Rock)
- Piñones Canyon (Canyon(s))
- Pinzón Knoll (Knoll(s))
- Pioneer Rock (Rock)
- Placentia Bay (Bay)
- Placeway Rock (Rock)
- Plantagenet Bank (Bank)
- Plato Seamount (Seamount(s))
- Platts Bank (Bank)
- Platts Basin (Basin)
- Playa de Sotavento de Jandía (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Playa del Cabrón (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pleasant Shoal (Shoal)
- Plymouth Bank (Shoal)
- Point Rock (Rock)
- Point Shoal (Shoal)
- Point Spot (Shoal)
- Pollock Ground (Shoal)
- Pollock Ground (Shoal)
- Pollock Ground (Shoal)
- Pollock Shoal (Shoal)
- Pollock Shoal (Shoal)
- Pollock Shoal (Shoal)
- Pollock Shoal (Shoal)
- Pollock Shoal (Shoal)
- Pollux Shoal (Shoal)
- Ponta Branca - Ilha Graciosa (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ponta da Ilha - Ilha Do Pico (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ponta da Ilha - Ilha Do Pico (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ponta das Contendas - Ilha Terceira (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ponta de S. Lourenço (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ponta Do Castelo - Ilha de Sta. Maria (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ponta Dos Rosais - Ilha de S. Jorge (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Pontevedra Obstacle Drift (Drift)
- Poor Island Shoal (Shoal)
- Poor Rock (Rock)
- Popes Rock (Rock)
- Popes Shoals (Shoal)
- Porcupine Abyssal Plain (Abyssal Plain)
- Porcupine Basin (Basin)
- Porcupine Seabight (Submarine valley(s))
- Porpoise Basin (Basin)
- Porter Seamount (Seamount(s))
- Porto Ferreira (Bay)
- Porto Hill (Hill(s))
- Porto Santo (Island)
- Porto Valley (Valley)
- Portugal Current (Current)
- Portuguese Exclusive Economic Zone (EEZ)
- Portuguese Exclusive Economic Zone (Azores) (EEZ)
- Portuguese Exclusive Economic Zone (Madeira) (EEZ)
- Portuguese Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Portuguese part of the North Atlantic Ocean (Marine Region)
- Portuguese part of the North Atlantic Ocean (Azores) (Marine Region)
- Portuguese part of the North Atlantic Ocean (Madeira) (Marine Region)
- Portuguese Shoal (Shoal)
- Portuguese Shoal (Shoal)
- Pot Rock (Rock)
- Pot Rock (Rock)
- Pothorst Canyon (Canyon(s))
- Pouchet Hill (Hill(s))
- Pourtales Drift (Drift)
- Pourtales Escarpment (Escarpment)
- Pourtales Terrace (Terrace)
- Powell Canyon (Canyon(s))
- Powers Rock (Rock)
- Pozo Negro (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Prairie Shoal (Reef)
- Pride Shoal (Shoal)
- Pride Shoal (Shoal)
- Prilyudko Seamount (Seamount(s))
- Prince Albert Seamount (Seamount(s))
- Princesse Alice Bank (Bank)
- Princesse Alice Seamount (Seamount(s))
- Príncipes de Avis Hills (Hill(s))
- Príncipes de Avis Terrace (Terrace)
- Privécoeur Shoal (Shoal)
- PT-01 (HAB monitoring grid)
- PT-02 (HAB monitoring grid)
- PT-03 (HAB monitoring grid)
- PT-04 (HAB monitoring grid)
- PT-05 (HAB monitoring grid)
- PT-06 (HAB monitoring grid)
- PT-07 (HAB monitoring grid)
- Puerto Rico Apron (Apron)
- Puerto Rico Ridge (Ridge)
- Puerto Rico Trench (Trench)
- Puffin Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Punta del Mármol (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Purdy Rock (Rock)
- Pushcharovsky Fracture Zone (Fracture Zone)
- Pyches Rock (Rock)
- Pyches Shoal (Shoal)
- Quaker Shoal (Shoal)
- Quiberon Ridge (Ridge)
- Quintero Knoll (Knoll(s))
- Ragged Rock (Rock)
- Ragged Rock (Rock)
- Ramna Stacks and Gruney (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Rankin Seamount (Seamount(s))
- Rasca Y Guaza (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Raso (Island)
- Rathlin O'Birne Island (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rathlin O'Birne Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Rattlesnake Shoal (Shoal)
- Rebman Seamount (Seamount(s))
- Red Bank Shoal (Shoal)
- Red Cove Rock (Rock)
- Red Head Rock (Rock)
- Red Island Rock (Rock)
- Red Island Shoal (Shoal)
- Red Scrape Rock (Rock)
- Redman Shoal (Shoal)
- Redwing Shoal (Shoal)
- Reedjones Seamount (Seamount(s))
- Reef Shoal (Reef)
- Reen Point Shingle (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rehoboth Seamount (Seamount(s))
- Rendezvous Rock (Rock)
- Renews Bantam (Bank)
- Researcher Ridge (Ridge)
- Researcher Seamount (Seamount Chain)
- Restinga (Submarine lava tube)
- Retriever Seamount (Seamount(s))
- Reykjanes Ridge (Ridge)
- Reynisdjúp (Submarine valley(s))
- Rharb Valley (Submarine valley(s))
- Rhode Island Continental Shelf (Slope)
- Rhode Island Shelf Valley (Submarine valley(s))
- Ria da Coruña (Inlet)
- Ria de Ares-Betanzos (Inlet)
- Ria de Arousa (Inlet)
- Ria de Aveiro (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ría de Betanzos (Estuary)
- Ria de Camariñas (Inlet)
- Ria de Cedeira (Inlet)
- Ria de Corcubíon (Inlet)
- Ria de Corme e Laxe (Inlet)
- Ria de Ferrol (Inlet)
- Ria de Muros e Noia (Inlet)
- Ria de Pontevedra (Inlet)
- Ria Formosa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Ria Formosa/Castro Marim (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Richard Hills (Hill(s))
- Richardson Hills (Hill(s))
- Ringdove Shoal (Shoal)
- Rio Guadiana Y Ribera de Chanza (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rio Minho (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Risco de La Mérica (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- River Shannon and River Fergus Estuaries Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roaninish Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roaring Bull (Rock)
- Robar Rock (Rock)
- Robinsons Ball (Rock)
- Roche Cloué (Shoal)
- Roche Lamb (Shoal)
- Rock of the Point (Rock)
- Rock on the Rip (Rock)
- Rock Shoal (Shoal)
- Rockall (Island)
- Rockall Bank (Bank)
- Rockall Plateau (Plateau)
- Rockall Trough (Trough)
- Rockaway Seamount (Seamount(s))
- Rocket Seamount (Seamount(s))
- Rocky Shoal (Shoal)
- Rodgers Basin (Basin)
- Rodgers Pass (Gap)
- Rodgers Swell (Rise)
- Rodman Rock (Rock)
- Rohan Seamount (Seamount(s))
- Rokel Seamount (Seamount(s))
- Romanche Trench (Trench)
- Rompidas Ledge (Reef)
- Ronas Hill – North Roe and Tingon (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roque de Garachico (Natura 2000 Special Protection Area and Site of Community Importance (SPA and SCI, EU Birds and Habitats Directive))
- Roque de La Playa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roques de Garafía (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Roques de Salmor (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Rose and Lucys Basin (Basin)
- Rose Shoal (Shoal)
- Rosemary Bank (Bank)
- Rosengarten Bank (Bank)
- Roseway Bank (Bank)
- Roseway Basin (Basin)
- Rosey Rock (Rock)
- Rosroe Bog (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Round Island Shoal (Shoal)
- Round Rock (Rock)
- Round Shoal (Shoal)
- Round Shoal (Shoal)
- Round Shoal (Shoal)
- Round Shoals (Shoal)
- Rous Shoal (Shoal)
- Rousay (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Royal Trough (Trough)
- Rudder Place (Shoal)
- Rune Seamount (Seamount(s))
- Rusheenduff Lough (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Russel Rock (Rock)
- Rutland Island and Sound (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ryan Canyon (Canyon(s))
- Rybin Seamount (Seamount(s))
- Sable Island Bank (Bank)
- Sackville Spur (Spur)
- Saddle Rock (Rock)
- Saharan Fan (Fan)
- Saharan Seamounts (Seamount(s))
- Saint George (Channel)
- Saint Helena Shoal (Shoal)
- Saint Lawrence Seaway (Canal)
- Saint M Trough (Trough)
- Saint Magnus Bay (Bay)
- Saint Mary's Bay (Bay)
- Saint Paul Fracture Zone (Fracture Zone)
- Saint Rock (Rock)
- Sal (Island)
- Salamander Rock (Rock)
- Sally Rock (Rock)
- Saloum (Estuary)
- Salters Rock (Rock)
- Salvador Correia Passage (Passage)
- Sam Adams Shoal (Shoal)
- Sam Ledge (Reef)
- Samaná, Bahía de (Bay)
- Sambro Bank (Bank)
- Sambro Ledges (Reef)
- Sammys Shoal (Shoal)
- Sampsons Rock (Rock)
- Sams Ground (Shoal)
- Sams Rock (Rock)
- Samson Point Shoal (Shoal)
- San Antao (Island)
- San Juan Canyon (Canyon(s))
- San Pablo Seamount (Seamount(s))
- San Salvador Ridge (Ridge)
- Sanctuary Hill (Hill(s))
- Sand Cove Head Shoal (Shoal)
- Sand Cove Shoal (Shoal)
- Sand Shoal (Shoal)
- Sand Shoal (Shoal)
- Sand Shoal (Shoal)
- Sand Shoal (Shoal)
- Sandy Cove Shoal (Shoal)
- Sandy Hook (Spit)
- Sandy Island Shoal (Shoal)
- Santa Clara bay (Bay)
- Santa Luzia (Island)
- Santa Maria Bay (Bay)
- Santa Maria Hills (Hill(s))
- Santaren Drift (Drift)
- Santiago (Island)
- Santo Antão Ridge (Ridge)
- São Gabriel Valley (Valley)
- São Miguel Hole (Hole)
- Sao Nicolau (Island)
- São Pedro Canyon (Canyon(s))
- São Rafael Canyon (Canyon(s))
- São Toméan part of the North Atlantic Ocean (Marine Region)
- Sao Vicente (Island)
- São Vicente Canyon (Canyon(s))
- Sapais de Castro Marim (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Saturday Ledge (Shoal)
- Sauerwein Seamount (Seamount(s))
- Saul Island Rock (Rock)
- Saunders Shoal (Shoal)
- Savel'ev Seamount (Seamount(s))
- Scantum Basin (Basin)
- Scatarie Bank (Bank)
- Scotian Shelf (Shelf)
- Scott Rock (Rock)
- Screech Seamount (Seamount(s))
- Scruncheon Seamount (Seamount(s))
- Sculpin Rock (Rock)
- Sculpin Shoal (Shoal)
- Seal Island Ridge (Ridge)
- Seal Island Rocks (Rocks)
- Seal Rock (Rock)
- Sebadal de San andrés (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de Antequera (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de Corralejo (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de Guasimeta (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de Güigüí (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de La Graciosa (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales de Playa del Inglés (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sebadales del Sur de Tenerife (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sedlo Seamount (Seamount(s))
- Seewarte Seamounts (Seamount(s))
- Seine Abyssal Plain (Abyssal Plain)
- Seine Cove Rock (Rock)
- Seine Seamount (Seamount(s))
- Seminole Bank (Bank)
- Senegalese Exclusive Economic Zone (EEZ)
- Senegalese part of the North Atlantic Ocean (Marine Region)
- Senghor Seamount (Seamount(s))
- Sermilik Deep (Deep)
- Setubal Bay (Bay)
- Setúbal Canyon (Canyon(s))
- Sewell Ridge (Rise)
- Shad Bay Breakers (Reef)
- Shag Rock Shoal (Shoal)
- Shag Rocks (Sandbank)
- Shag Roost (Rock)
- Shallop Canyon (Canyon(s))
- Shamrock Canyon (Canyon(s))
- Shamrock Valley (Valley)
- Shannon Estuary (Estuary)
- Sharpshooter Canyon (Canyon(s))
- Sharrer Basin (Basin)
- Sharrer Ridge (Ridge)
- Sheep'S Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sheldrake Seamount (Seamount(s))
- Shetland-Faeroe Ridge (Ridge)
- Shinnecock Bay (Bay)
- Shoal Ground (Shoal)
- Shoal Ground (Shoal)
- Shoal Place (Shoal)
- SHOM Seamounts (Seamount(s))
- Shortland Canyon (Canyon(s))
- Shotty Ledge (Ledge(s))
- Shredder Seamount (Seamount(s))
- Shut-in Shoals (Shoal)
- Siboney Seamount (Seamount(s))
- Sierra Leone Basin (Basin)
- Sierra Leone Fracture Zone (Fracture Zone)
- Sierra Leone Plain (Plain)
- Sierra Leone Rise (Rise)
- Sierra Leonean Exclusive Economic Zone (EEZ)
- Sierra Leonean part of the North Atlantic Ocean (Marine Region)
- Sigsbee Basin (Basin)
- Sigsbee Ridge (Ridge)
- Silver Bank (Bank)
- Silver Knoll (Knoll(s))
- Silver Plain (Plain)
- Sinclairs Ledge (Shoal)
- Sintra/Cascais (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sistema Fluvial Ulla - deza (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Siteman Rock (Rock)
- Siteman Rock (Rock)
- Skagerrak (IHO Sea Area)
- Skeiðarárdjúp (Submarine valley(s))
- Skellig Rocks (Archipelago)
- Skelligs Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Skerjadjúp (Submarine valley(s))
- Skjoldungen Bank (Bank)
- Skjoldungen Valley (Submarine valley(s))
- Skrælling Canyon (Canyon(s))
- Skrimsli Hills (Hill(s))
- Slaunwhites Shoal (Shoal)
- Sleepy Shoal (Shoal)
- Slieve League (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Slieve Tooey/Tormore Island/Loughros Beg Bay (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Slope Sea (Sea)
- Sly Boots (Rock)
- Slyne Head (Island)
- Slyne Head Islands (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Slyne Head Islands Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Slyne Head Peninsula (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Smerwick Harbour (Bay)
- Smith Rock (Rock)
- Smith Shoal (Shoal)
- Smithson Rock (Rock)
- Snake Spit (Spit)
- Snapper Shoal (Shoal)
- Snodgrass Seamount (Seamount(s))
- Sohm Abyssal Plain (Abyssal Plain)
- Soldiers Ledge (Reef)
- Sorensen Seamount (Seamount(s))
- Soup Rock (Rock)
- South Angle Ledge (Shoal)
- South Charcot Seamount (Seamount(s))
- South eastern North Atlantic (General Sea Area)
- South Gooseberry Shoal (Shoal)
- South Heyes Canyon (Canyon(s))
- South Ledge (Shoal)
- South Rock (Rock)
- South Rock (Rock)
- South Shoal (Shoal)
- South Shoal (Shoal)
- South Shoal (Shoal)
- South Shoal (Shoal)
- South Sunker (Rock)
- South Toms Canyon (Canyon(s))
- South Uist Machair (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- South Vries Canyon (Canyon(s))
- South Western North Atlantic (General Sea Area)
- South Wilmington Canyon (Canyon(s))
- Southeast Breaker (Rock)
- Southeast Grand Bank (Sampling Station)
- Southeast Grand Banks Rise (Rise)
- Southeast Grand Banks Slope (Slope)
- Southeast Reef (Reef)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoal (Shoal)
- Southeast Shoals (Shoal)
- Southern Ridge (Reef)
- Southern Rock (Shoal)
- Southern Shoal (Shoal)
- Southwest Bank (Bank)
- Southwest Breaker (Rock)
- Southwest Bull (Rock)
- Southwest Coachman (Rock)
- Southwest Cove Shoal (Shoal)
- Southwest Grand Banks Rise (Rise)
- Southwest Grand Banks Slope (Slope)
- Southwest Ledge (Rock)
- Southwest Ledge (Reef)
- Southwest Peak (Spur)
- South-West Porcupine Bank (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Southwest Rock (Rock)
- Southwest Rock (Rock)
- Southwest Rock (Reef)
- Southwest Shoal (Shoal)
- Southwest Shoal (Shoal)
- Southwest Shoal (Reef)
- Southwest Tuffin Breaker (Rock)
- Spain - Demarcación Marina Canaria (MSFD Marine subregions)
- Spain - Demarcación Marina Sudatlántica (MSFD Marine subregions)
- Spanish Exclusive Economic Zone (Canary Islands) (EEZ)
- Spanish Exclusive Economic Zone [Atlantic part] (Marine Region)
- Spanish Extended Continental Shelf (Canary Islands) (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Spanish Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Spanish part of the North Atlantic Ocean (Marine Region)
- Spanish part of the North Atlantic Ocean (Canary Islands) (Marine Region)
- Spectacle Ledge (Shoal)
- Spectacle Ledge (Shoal)
- Spectacle Shoal (Shoal)
- Spectacle Shoals (Shoal)
- Spencer Canyon (Canyon(s))
- Spicer Rock (Rock)
- Spjældebod Canyon (Canyon(s))
- Spritsail Ledge (Shoal)
- St Kilda (World Marine Heritage Site)
- St Kilda (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- St Kilda (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- St Marys Bank (Bank)
- St Pierre Bank (Bank)
- St Pierre Channel (Trough)
- St. John'S Point (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- St. Peter Fracture Zone (Fracture Zone)
- Stags Of Broad Haven Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Stanley Shoals (Shoal)
- Stapleton Rock (Rock)
- Stapleton Rock (Rock)
- Starling Rock (Rock)
- Station 2 (SS2) (Sampling Station)
- Stellwagen Bank (Bank)
- Stellwagen Basin (Basin)
- Stetson Mesa (Mesa)
- Stevens Rock (Rock)
- Steves Shoal (Shoal)
- Stickland Rock (Rock)
- Stone Horse (Shoal)
- Stone Rock (Rock)
- Stonehorse Rock (Rock)
- Stoney Island Shoal (Shoal)
- Stoney Ridge (Reef)
- Stony Rock (Rock)
- Storfjord Deep (Deep)
- Stout Swell (Rise)
- Strakhov Fracture Zone (Fracture Zone)
- Strathy Point (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Strede Bank (Bank)
- Streedagh Point Dunes (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Stromness Heaths and Coast (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Subtropical North Atlantic (General Sea Area)
- Suhm Abyssal Plain (Abyssal Plain)
- Suhm Hills (Hill(s))
- Sule Skerry and Sule Stack (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Sullom Voe (Inlet)
- Sullom Voe (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Sunken Rock (Rock)
- Sunken Rock (Rock)
- Sunken Rock Reef (Reef)
- Sunker Rock (Rock)
- Surinamese Exclusive Economic Zone (EEZ)
- Surinamese Extended Continental Shelf (DOALOS Deposit) (Extended Continental Shelf (DOALOS Deposit))
- Surinamese part of the North Atlantic Ocean (Marine Region)
- Surtsey (World Marine Heritage Site)
- Swaines Mark (Shoal)
- Swallow Knoll (Knoll(s))
- Tabou Canyon (Canyon(s))
- Tagore Ridge (Ridge)
- Tagore Seamount (Seamount(s))
- Taguluche (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tagus Plain (Plain)
- Tail of the Bank (Bank)
- Tamadaba (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tamadaba (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Tamanca (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tangier Shoal (Shoal)
- Tanoûdêrt Canyon (Canyon(s))
- Tantallon Spur (Spur)
- Taylor Shoal (Shoal)
- Taylor's Bay Rock (Rock)
- Taylor's Bay Shoal (Shoal)
- Teal Pond Shoals (Shoal)
- Tejo Basin (Basin)
- Telegraph Rock (Rock)
- Teno (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Teno (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Termon Strand (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Teselinde-Cabecera de Vallehermoso (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- The Bantam (Shoal)
- The Blazes (Rock)
- The Breakwater (Bank)
- The Bull and The Cow Rocks Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- The Bull Pen (Basin)
- The Bulldog (Reef)
- The Burr (Rocks)
- The Chimney (Rock)
- The Cow Pen (Basin)
- The Elbow (Shoal)
- The Frenchman (Shoal)
- The Grampus (Shoal)
- The Gully Canyon (Canyon(s))
- The Hay Cock (Shoal)
- The Heart (Basin)
- The Hummocks (Rocks)
- The Hummocks (Reef)
- The Lone Star (Shoal)
- The Lump (Shoal)
- The Lump (Rock)
- The Nubble (Shoal)
- The Nubbles (Shoal)
- The Off Ground (Bank)
- The Overfall (Shoal)
- The Owl (Bank)
- The Paps Seamount (Seamount(s))
- The Patch (Bank)
- The Peak (Shoal)
- The Pinnacle (Rock)
- The Puffer (Rock)
- The Reef (Reef)
- The Reef (Reef)
- The Ridge (Shoal)
- The Rocher (Rock)
- The Rockpile (Bank)
- The Shoals (Shoal)
- The Slipper (Bank)
- The Spot (Shoal)
- The Squince (Rock)
- The Stone Fence (Escarpment)
- The Sunker (Rock)
- The Twelve Bens/Garraun Complex (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- The Washerwoman (Shoal)
- The Whale (Rock)
- The White Horse (Rock)
- Theta Passage (Passage)
- Thomas Rock (Rock)
- Thorn Shoal (Shoal)
- Thoulet Seamount (Seamount(s))
- Three Castle Head To Mizen Head (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Three Dory Ridge (Ridge)
- Thrumcap Reef (Reef)
- Thrumcap Rock (Rock)
- Thrumcap Shoal (Shoal)
- Thrumcap Shoal (Shoal)
- Tibataje (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tickeys Shoal (Shoal)
- Tilbury Reef (Reef)
- Tim Barrett Rock (Rock)
- Timijiraque (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tingon (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tinker Bank (Bank)
- Tinker Rock (Rock)
- Titanic Canyon (Canyon(s))
- Tobin's Point (Lobe)
- Tom Bank (Bank)
- Tom Cod Shoals (Shoal)
- Tom Dimmers Rock (Rock)
- Tom Holt (Rock)
- Tom Pyes Bank (Bank)
- Tom Sheaves Rock (Rock)
- Tomfool Shoals (Shoal)
- Tommy Rock (Shoal)
- Toms Canyon (Canyon(s))
- Tongue of the Ocean Trough (Trough)
- Toots Shoal (Shoal)
- Tor Bay Ledges (Shoal)
- Tore Seamounts (Seamount(s))
- Tory Island (Island)
- Tory Island Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Touten Seamount (Seamount(s))
- Tràigh Na Berie (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tralee Bay (Bay)
- Tralee Bay and Magharees Peninsula, West To Cloghane (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Tralee Bay Complex Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Trappeans Shoal (Shoal)
- Trevelyan Escarpment (Escarpment)
- Treworgie Canyon (Canyon(s))
- Tribune Shoal (Shoal)
- Trident Ridge (Ridge)
- Trinidad Rock (Rock)
- Trinidadian and Tobagonian Extended Continental Shelf (CLCS Submission) (Extended Continental Shelf (CLCS Submission))
- Trinidadian and Tobagonian part of the North Atlantic Ocean (Marine Region)
- Trinity Bay (Bay)
- Tripper Rock (Rock)
- Trold Canyon (Canyon(s))
- Tropic Seamount (Seamount(s))
- Tropical North Atlantic (General Sea Area)
- Truxton Basin (Basin)
- Truxton Swell (Rise)
- Tucker Island Ledge (Reef)
- Tucumã Hill (Hill(s))
- Tuffin Bank (Bank)
- Turbine Shoal (Shoal)
- Turners Shoal (Shoal)
- Tusket Basin (Basin)
- Uchupi Canyon (Canyon(s))
- Uncle Charlies Shoal (Shoal)
- Uncle Dickies Burr (Rock)
- Unicorn Bank (Bank)
- United States part of the North Atlantic Ocean (Marine Region)
- United States part of the North Atlantic Ocean (Puerto Rico) (Marine Region)
- United States part of the North Atlantic Ocean (United States Virgin Islands) (Marine Region)
- Upper Bay Shoal (Shoal)
- Upper Big Shoal (Shoal)
- Upper Pinnacle (Rock)
- US Shelf off New York (Slope)
- US-01 (HAB monitoring grid)
- US-02 (HAB monitoring grid)
- US-03 (HAB monitoring grid)
- US-04 (HAB monitoring grid)
- US-05 (HAB monitoring grid)
- US-06 (HAB monitoring grid)
- US-07 (HAB monitoring grid)
- US-08 (HAB monitoring grid)
- US-09 (HAB monitoring grid)
- US-10 (HAB monitoring grid)
- US-11 (HAB monitoring grid)
- US-13 (HAB monitoring grid)
- US-14 (HAB monitoring grid)
- US-15 (HAB monitoring grid)
- Vache Shoals (Shoal)
- Valencia Harbour/Portmagee Channel (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Valencia Island (Island)
- Valle Inclan Canyon (Canyon(s))
- Valle-Inclán Saddle (Saddle)
- Vanguard Knoll (Knoll(s))
- Vasco da Gama Seamounts (Seamount(s))
- Vasco Gil Sodre Basin (Basin)
- Vayda Seamount (Seamount(s))
- Veatch Canyon (Canyon(s))
- Vema Fracture Zone (Fracture Zone)
- Vema Gap (Gap)
- Vema Knoll (Knoll(s))
- Venezuelan part of the North Atlantic Ocean (Marine Region)
- Vermont Rock (Rock)
- Vernadsky Fracture Zone (Fracture Zone)
- Verrill Canyon (Canyon(s))
- Vestal Rock (Rock)
- Vidal Plain (Plain)
- Vidal Seachannel (Seachannel)
- Vigo Seamount (Seamount(s))
- Vikuráll (Submarine valley(s))
- Virgin Rocks (Reef)
- Vogel Seamount (Seamount(s))
- Wake Island (Island)
- Wards Rock (Rock)
- Wareham Rock (Rock)
- Warr Canyon (Canyon(s))
- Warrens Shoal (Shoal)
- Washington Canyon (Canyon(s))
- Webb Rock (Rock)
- Webb Seamount (Seamount(s))
- Webber Shoal (Shoal)
- Webbs Shoal (Shoal)
- Wedge Shoal (Shoal)
- Welker Canyon (Canyon(s))
- Wellesly Rock (Rock)
- West Bar (Shoal)
- West Bull (Shoal)
- West Bull (Rock)
- West Canary Islands (General Region)
- West Clew Bay (General Sea Area)
- West Donegal Coast Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- West Donegal Islands Spa (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- West European Basin (Basin)
- West Gilley Shoal (Shoal)
- West Indies (Archipelago)
- West Of Ardara/Maas Road (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- West Rock (Rock)
- West Shannon (General Sea Area)
- West Shoals (Shoal)
- West Thulean Rise (Rise)
- West Westray (Natura 2000 Special Protection Area (SPA, EU Birds Directive))
- Western Bank (Bank)
- Western Boundary Current (Current)
- Western Edge (Escarpment)
- Western Ground (Shoal)
- Western Grounds (Shoal)
- Western Gully (Valley)
- Western Head Rock (Rock)
- Western Hummock (Shoal)
- Western Lobster Claw (Shoal)
- Western North Atlantic (General Sea Area)
- Western Rock (Rock)
- Western Rock (Rock)
- Western Rock (Rock)
- Western Shoal (Shoal)
- Western Shoal (Shoal)
- Western Shoal (Shoal)
- Western Shoal (Shoal)
- Western Spur (Spur)
- Western Sunker (Rock)
- Western Sunker (Rock)
- Whale Back (Rocks)
- Whale Bank (Bank)
- Whale Deep (Basin)
- Whale Rock (Rock)
- Whale Shoal (Shoal)
- Whaleback Rock (Rock)
- Whitbourne Canyon (Canyon(s))
- White Bay (Bay)
- White Cliffs (Rock)
- White Horse (Rock)
- White Horse Bank (Bank)
- White Horse Rock (Rock)
- White Horse Rock (Rock)
- White Island Bank (Bank)
- White Knoll Ledge (Shoal)
- White Point Rock (Rock)
- White Point Shoal (Shoal)
- White Rock (Rock)
- White Rock (Rock)
- White Rock (Rock)
- White Rock (Rock)
- White Sail Bank (Bank)
- White Scrape Rock (Rock)
- White Scrape Rock (Rock)
- White Shoal (Shoal)
- White Shoal (Shoal)
- White Shoal (Shoal)
- Whitehorse Rock (Rock)
- Whites Rock (Rock)
- Whitney Seamount (Seamount(s))
- Whittard Canyon (Canyon(s))
- Whittard Seachannel (Seachannel)
- Wildcat Knoll (Knoll(s))
- Wilkinson Divide (Ridge)
- William Henry Bank (Bank)
- William Shoal (Shoal)
- Williams Rock (Rock)
- Williams Seamount (Seamount(s))
- Wilmington Canyon (Canyon(s))
- Wilmington Valley (Submarine valley(s))
- Wilsons Shoal (Shoal)
- Windward Islands (Archipelago)
- Windward Passage (Passage)
- Winyah Scarp (Escarpment)
- Wippy Rock (Rock)
- Wiskon Rocks (Rocks)
- Woody Island Rock (Rock)
- Woody Island Shoal (Shoal)
- Woolfall Bank (Bank)
- Worm Shoal (Shoal)
- Wraytons Shoal (Shoal)
- Wright Swell (Rise)
- Wyoming Seamount (Seamount(s))
- Wyville Thomson Ridge (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Wyville-Thomson Ridge (Ridge)
- Y Valley (Submarine valley(s))
- Yakutat Seamount (Seamount(s))
- Yankee Bank (Bank)
- Yankee Jack (Rock)
- Yell Sound Coast (Natura 2000 Site of Community Importance (SCI, EU Habitats Directive))
- Ymir Ridge (Ridge)
- Young Ledge (Shoal)
- Yuma Hill (Hill(s))
- Zetland Shoal (Shoal)
- North Rona (Island)
- Porcupine Station (Station)
- Puerto de las Nieves (Cove)
- Rocky Bank (Bank)
- Saint Peter and Saint Paul Archipelago (Archipelago)
- Saint Sebastian Bay (Bay)
- Sargasso Sea (Sea)
- Seal Island (Island)
- South Atlantic Deep (General Sea Area)
- South Atlantic Ocean (IHO Sea Area)
- South West Atlantic (General Sea Area)
- Subarctic Intermediate Water (Water mass)
- Subtropical Atlantic (General Sea Area)
- Table Bay (Bay)
- Tropic & Subtropic Western Atlantic (General Region)
- Tropical Atlantic (General Sea Area)
- Tropical West Atlantic (General Sea Area)
- Walther Herwig (Inhabited Place)
- West Atlantic (General Sea Area)
- West Atlantic Coast (Coast)
- West Atlantic Subarctic Intermediate Water (Water mass)
- Baltic Sea (IHO Sea Area)
- High Seas (High Seas)
- Indian Ocean (IHO Sea Area)
- Mediterranean Region (General Sea Area)
- Pacific Ocean (Ocean)
- South China and Eastern Archipelagic Seas (General Sea Area)
- Southern Ocean (IHO Sea Area)
