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Scuba Diving Locations - A-Z Listing
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For information and reviews on diving a specific dive site please select from the following:
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If you can't find what your looking for on the a-z page or are looking for more specific diving information we have added this search to help you find it! Please use the search box below to search dive site directory or the internet for further information about diving:
A:
- AA Thila - South Ari Atoll (Maldives), reef diving
- Abington - Sudan (Red Sea), reef diving
- Abu Dabab - Marsa Alam (Southern Red Sea), reef diving
- Abu Dishet - Hurghada (Red Sea), reef dive
- Abu Galawa Kebir - Fury Shoals (Southern Red Sea), reef diving
- Abu Galawa Small - Fury Shoals (Southern Red Sea), reef diving
- Abu Galawa Wreck - Fury Shoals (Southern Red Sea), wreck diving
- Abu Hashish - Hurghada (Red Sea), reef dive
- Abu Helal - Dahab (Red Sea), reef diving
- Abu Kafan - Safaga (Red Sea), reef diving
- Abu Galawa Wreck - Fury Shoals (Southern Red Sea), wreck dive
- Abu Lou Lou - Nuweiba (Red Sea), reef diving
- Abu Ramada - Hurghada (Red Sea), reef dive
- Abu Soma - Safaga (Red Sea), reef diving
- Abu Talha - Dahab (Red Sea), reef diving
- El Acuarium - Maria la Gorda (Cuba), reef diving
- Acuario - Cuba (Caribbean), reef diving
- Aeroplane Wreck - Oahu (Hawaii), wreck diving
- Ahrax Reef - Malta, reef diving
- Aikoku Maru - Coron (Philippines), wreck diving
- Akitsushima - Coron (Philippines), wreck diving
- Akka - River Clyde (Scotland), wreck diving
- Aksona Bay - Bodrum (Turkey), reef diving
- Aladdin's Cavern - Fethiye (Turkey), reef diving
- MV Alastor - Strangford Lough (Northern Ireland), wreck diving
- Alaunia - Sussex (UK), wreck diving
- Alex's Cave - Malta, cave dive
- Alfred Earlsden - St Abbs (Scotland), wreck diving
- Alghero - Sardinia (Italy)
- Al Kahfain - Safaga (Red Sea), wreck dive
- Alona Beach - Panglao Island (Philippines), reef diving
- Alondra - Baltimore (Ireland), wreck diving
- Amagisan Maru - Truk Lagoon (Micronesia), wreck diving
- Amarilla Montagne - Tenerife (Canary Islands), reef diving
- Amazon - Zanzibar (Tanzania), reef diving
- Amed Reef - Bali (Indonesia), reef diving
- Amed Wall - Bali (Indonesia), reef diving
- Anau - Bora Bora (French Polynesia), reef diving
- Anchor Bay - Malta, reef diving
- An Dubh Sgeir - Isle of Skye (Scotland), reef dive
- Anchor Wreck - Bali (Indonesia), wreck diving
- El Ancla - - Isla del Caño (Costa Rica), reef diving
- El Ancla del Pirata - Maria la Gorda (Cuba), reef diving
- USS Anderson - Bikini Atoll (Marshall Islands), wreck diving
- Andritxol - Mallorca (Balearics, Spain), reef diving
- Anemone Gully - St Abbs (Scotland), reef diving
- Angelfish Reef - Tobago (Caribbean), reef diving
- Angarosh - Sudan (Red Sea), reef diving
- Anna II - Mykonos (Greece), wreck diving
- Anna Reef - Tobago (Caribbean), reef diving
- Annie's Bommie - Taveuni (Fiji), reef diving
- Antilla - Aruba (Caribbean), wreck diving
- Antonios - Isles of Scilly (UK), wreck dive
- Ao Prao Bay - Koh Samet (Thailand), reef diving
- USS Apogon - Bikini Atoll (Marshall Islands), wreck diving
- Aquarium - Daymaniyat Islands (Oman), reef diving
- Arba Erg - Safaga (Red Sea), reef dive
- Arbuthnotts - Rarotonga (Cook Islands), reef diving
- El Arco - Isla del Caño (Costa Rica), reef diving
- Arco Point - Panglao Island (Philippines), reef diving
- Argo Delos - Malin Head (County Donegal, Ireland), wreck diving
- Ariadhoo Kandu - South Ari Atoll (Maldives), reef diving
- Aristos - England (UK), wreck diving
- Arorangi Rock Wall - Rarotonga (Cook Islands), reef diving
- Arpha Bank - Safaga (Red Sea), reef diving
- Athenia - Malin Head (County Donegal, Ireland), wreck diving
- Atlantis - Tenerife (Canary Islands), reef diving
- Attilio Deffenu - Brindisi (Italy), wreck diving
- HMS Audacious - Malin Head (County Donegal, Ireland), wreck diving
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B:
- Babbacombe Bay - England (UK), reef diving
- Baboons Nose - Oahu (Hawaii), reef diving
- Badgat - South Africa, inland cave dive
- Bajo del Diablo - Isla del Caño (Costa Rica), reef diving
- Balaban Island - Fethiye (Turkey), reef diving
- Ball's Pyramid - Lord Howe Island (Australia), reef diving
- Banana Giri - North Male Atoll (Maldives), reef diving
- Bannerfish Bay - Dahab (Red Sea), reef diving
- Barco Hundido - Isla del Caño (Costa Rica), reef diving
- Barn Pool - Plymouth (UK), reef diving
- The Barnyard - St Abbs (Scotland), reef diving
- Barracuda Lake - Coron (Philippines), inland dive site
- Barracuda Point - Carriacou (Caribbean), reef diving
- Barracuda Point - Sipadan (Borneo), reef diving
- Barranco Seco - Tenerife (Canary Islands), reef diving
- Batu Chachang - Tenggol Island (Malaysia), reef diving
- Batu Kelebit - Bali (Indonesia), reef diving
- Beadnell Point - Northumberland (UK), reef diving
- The BelleIsle - Fort William (Scotland), wreck diving
- Betty Bomber - Truk Lagoon (Micronesia), wreck diving
- Bianca C - Grenada (Caribbean), wreck diving
- Biaha - Bali (Indonesia), reef diving
- Big Gubal Island - Hurghada (Red Sea), reef diving
- Big Green Carr - St Abbs (Scotland), reef diving
- Big Reef - Bodrum (Turkey), reef diving
- Big W - Mamanuca (Fiji), wall dive
- Bishops Bay - Scotland inland dive
- Black Carrs - St Abbs (Scotland), reef diving
- Black Coral - South Male Atoll (Maldives), reef diving
- Black Forest - Panglao Island (Philippines), reef diving
- Black Jack Hole - Tobago (Caribbean), reef diving
- Black Magic Mountain - Vatu-i-Ra (Fiji), reef diving
- Black Rock Passage - Rarotonga (Cook Islands), reef diving
- Blenheim Bomber - Malta, aeroplane wreck
- Blind Reef - North Hurghada (Red Sea), reef diving
- Blonde Rock - British Virgin Islands (Caribbean), reef diving
- Blue Belt - Sudan (Red Sea), wreck diving
- Blue Corner - Bali (Indonesia), reef diving
- Blue Hole - Dahab (Red Sea), reef diving
- Blue Hole - Lanzarote (Canary Islands), reef diving
- Blue Hole - Gozo (Malta), wall dive
- Bells - Dahab (Red Sea), reef diving
- Blue Lagoon - Bali (Indonesia), reef diving
- Blue Lagoon - Yorkshire (UK), inland dive site
- The Blue Room - The Yasawas (Fiji), reef diving
- Bluff Point - Hurghada (Red Sea), reef diving
- The Boatyard - Bodrum (Turkey), wreck diving
- Bocacangrejo - Tenerife (Canary Islands), reef diving
- Boesmansgat - South Africa, inland cave dive
- Bognor Rocks - Sussex (UK), reef diving
- Book Ends - Tobago (Caribbean), reef diving
- Boss Reef - Grenada (Caribbean), reef diving
- Boulder City - Similan Islands (Thailand), reef diving
- Boulders - Seychelles, reef diving
- Breakwater Fort - Plymouth (UK), reef diving
- Breath Taker - Nananu-i-Ra (Fiji), reef diving
- Breda - Oban (Scotland), wreck diving
- Brixham - Devon (UK), reef diving
- Brighton Pier - England (UK), pier dive
- Broken Rock - South Ari Atoll (Maldives), reef diving
- Brummer - Scapa Flow (Scotland), wreck diving
- Budleigh Salterton - Devon (UK), reef diving
- Bugibba Bay - Malta, reef diving
- Bula Maker - Nananu-i-Ra (Fiji), reef diving
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C:
- Cadena Misteriosa - Maria la Gorda (Cuba), reef diving
- Cades Reef - Antigua (Caribbean), reef diving
- The Cadmus - East Yorkshire (UK), wreck diving
- Cala Blanca - Menorca (Balearics), reef diving
- Calf Sound Drift - Isle of Man (UK), drift diving
- Los Callejones - Tenerife (Canary Islands), wall dive
- Calve Island - Oban (Scotland), wall dive
- The Calypso - Fort William (Scotland), wreck diving
- Camia Wreck - Boracay (Philippines), wreck diving
- Canak Bay - Bodrum (Turkey), reef diving
- Cannon Ball Alley - Plymouth (UK), reef diving
- The Canyon - Lefkas (Greece), reef diving
- The Canyon - Bali (Indonesia), reef diving
- Canyon - Dahab (Red Sea), reef diving
- The Canyon - Seychelles, reef diving
- Capenwray Quarry - Lancashire (UK), inland dive site
- Carbonero - Tenerife (Canary Islands), wreck diving
- Carina - Sharm El Sheikh (Red Sea), wreck diving
- Carless Reef - Hurghada (Red Sea), reef diving
- Carnatic - Hurghada (Red Sea), wreck diving
- Carolita - Malta, wreck diving
- Carthaganian - Malin Head (County Donegal, Ireland), wreck diving
- Casa Mata - Cuba (Caribbean), reef diving
- Castle Eden - Malin Head (County Donegal, Ireland), wreck diving
- The Cathedral - North Nilandhe Atoll (Maldives), reef diving
- Cathedral - Aliwal Shoal (South Africa), reef diving
- Cathedral - Panglao Island (Philippines), reef diving
- Cathedral - Tobago (Caribbean), reef diving
- Cathedral Cave - Gozo, Malta, cave diving
- Cathedral Rock - St Abbs (Scotland), reef diving
- Cathedrals - Cairns (Australia), reef diving
- The Cave - Lhaviyani Atoll (Maldives), reef diving
- The Caves - Lefkas (Greece), cave dive
- Caves - Dahab (Red Sea), reef diving
- Cervera Shoal / Snake Island - Panglao Island (Philippines), reef diving
- Chac Mool - Mexico, cave dive
- SS Chadwick - Isle of Skye (Scotland), wreck diving
- Charco del Palo - Lanzarote (Canary Islands), reef diving
- Chimneys (The) - Rarotonga (Cook Islands), reef diving
- Chinatown - Carriacou (Caribbean), reef diving
- Chrisoula K - Hurghada (Red Sea), wreck diving
- Christmas Point - Similan Islands (Thailand), reef diving
- Chumphon Pinnacle - Koh Tao (Thailand), reef diving
- The Church - Seychelles, reef diving
- Chynhallis Reef - Cornwall (UK), reef diving
- Cita - Isles of Scilly (UK), wreck dive
- City of Westminster - Cornwall (UK), wreck diving
- Cleaning Station - Kapalai (Borneo), reef diving
- Clowns Rock - Beruwela (Sri Lanka), reef diving
- Cocoa Corner - South Male Atoll (Maldives), reef diving
- Cocoa Giri - South Male Atoll (Maldives), reef diving
- Coconut - Bohol (Philippines), reef diving
- Coln - Scapa Flow (Scotland), wreck diving
- Colona IV - Hurghada (Red Sea), wreck diving
- Comino Caves - Malta, cave dive
- MV Cominoland - Gozo, Malta, wreck dive
- Concord Waterfall Pool - Grenada (Caribbean), inland dive site
- Condesito - Tenerife (Canary Islands), wreck diving
- Conger Crevasse - Isle of Skye (Scotland), reef diving
- Copton Plane - Moalboal (Philippines), reef diving
- Coral Cave - Malta, cavern dive
- Coral Garden - Cairns (Australia), reef diving
- Coral Garden - Bali (Indonesia), reef diving
- Coral Garden - Dahab (Red Sea), reef diving
- Coral Garden - Pulau Payar (Langkawi), reef diving
- Coral Garden - Seychelles, reef diving
- Coral Garden - Sipadan (Borneo), reef diving
- Coral Garden - St Lucia (Caribbean), reef diving
- Coral Garden - Tenggol Island (Malaysia), reef diving
- Coral Gardens - Tobago (Caribbean), reef diving
- Costa Cleva Pesces - Cuba (Caribbean), wreck diving
- Costacuti Reef - Italy, reef diving
- Countess of Erne - Dorset (UK), wreck diving
- Crab Row - Isle of Man (UK), reef diving
- Cream Gardens - Poor Knights (New Zealand), reef diving
- The Crèche - Ponta Malongane (Mozambique), reef diving
- Crocodile Island - Boracay (Philippines), reef diving
- The Crosses of Malpique - La Palma (Canary Islands), reef diving
- Crypto Mania - Mtwara (Tanzania), reef diving
- Crystal Bay - Bali (Indonesia), reef diving
- Cucumber Alley - Cairns (Australia), reef diving
- La Cueva de las Pesces - Cuba (Caribbean), cave dive
- La Cueva Del Roquete - Tenerife (Canary Islands), reef diving
- Cueva del Tiburon - Isla del Caño (Costa Rica), reef diving
- Cumberland - Malin Head (County Donegal, Ireland), wreck diving
- Curtain Artificial Reef - Brisbane (Australia), wreck diving
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D:
- Dahra Island - Marsa Alam (Southern Red Sea), reef diving
- Dai Na Hino Maru - Truk Lagoon (Micronesia), wreck diving
- MV Dara - Dubai (United Arab Emirates), wreck diving
- Dave's Caves - Rarotonga (Cook Islands), cave dive
- Deep Blue - Carriacou (Caribbean), reef diving
- Devil's Reef - Tenerife (Canary Islands), reed dive
- Dhigurah Beru Thila - South Ari Atoll (Maldives), reef diving
- Dhigu Thila - South Male Atoll (Maldives), reef diving
- Dido - Baltimore (Ireland), wreck diving
- Diver's Dream - Tobago (Caribbean), reef diving
- Divers Heaven - Panglao Island (Philippines), reef diving
- Divers Surprise - Carriacou (Caribbean), reef diving
- Doljo Point - Panglao Island (Philippines), reef diving
- Dolphin - Isle of Man (UK), reef diving
- Dolphin Cave - L'Estartit (Spain), cave dive
- Dolphin House - Moalboal (Philippines), reef diving
- Dolphin Reef - Fury Shoals (Southern Red Sea), reef diving
- Dona Marilyn - Malapascua (Philippines), wreck diving
- Doodles - Ponta Malongane (Mozambique), reef diving
- Dorothea - North Wales (UK), inland dive site
- Drawna Rocks - Cornwall (UK), reef & shore dive
- Dream Maker - Nananu-i-Ra (Fiji), reef diving
- Dream Weaver - Grand Cayman (Caribbean), reef diving
- Dr Grooms Garden - Grenada (Caribbean), reef diving
- Dragon Bay - Grenada (Caribbean), reef diving
- Dresden - Scapa Flow (Scotland), wreck diving
- Drop-Off - Bali (Indonesia), reef diving
- Duchess - Sussex (UK), wreck diving
- Duke - Sussex (UK), wreck diving
- Dunraven - Sharm El Sheikh (Red Sea), wreck diving
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E:
- HMS Eagle - Isles of Scilly (UK), wreck dive
- East Black Carrs - St Abbs (Scotland), reef diving
- East of Eden - Similan Islands (Thailand), reef diving
- East Tangat Gunboat - Coron (Philippines), wreck diving
- Ebb Carrs - St Abbs (Scotland), wreck diving
- Eccleston Delph Quarry - Lancashire (UK), inland dive site
- Edgewater Ridge - Rarotonga (Cook Islands), reef diving
- Edna's Anchor - Rarotonga (Cook Islands), reef diving
- Eel Garden - Dahab (Red Sea), reef diving
- El Coral - Cuba (Caribbean), wreck diving
- Elephant Head Rock - Similan Islands (Thailand), reef diving
- El Farito - Cuba (Caribbean), reef diving
- Elk - Plymouth (UK), wreck diving
- El Laberinto - Cuba (Caribbean), reef diving
- El Mina - Hurghada (Red Sea), wreck diving
- Elphinstone Reef - Marsa Alam (Red Sea), reef diving
- El Shugurat - Dahab (Red Sea), reef diving
- El Toro - Mallorca (Balearics, Spain), reef diving
- Embudu Canyon South Male Atoll (Maldives), reef diving
- Emerald Reef - Pemba (Tanzania), reef diving
- Emily Flying Boat - Truk Lagoon (Micronesia), wreck diving
- Empire Heritage - Malin Head (County Donegal, Ireland), wreck diving
- Encanto - Maria la Gorda (Cuba), reef diving
- Las Eras - Tenerife (Canary Islands), reef diving
- Erg Samaya - Hurghada (Red Sea), reef dive
- Excalibur - Hurghada (Red Sea), wreck diving
- The Erebus - The Yasawas (Fiji), reef diving
- Exotic House Reef - Malapascua (Philippines), reef diving
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F:
- F2 - Scapa Flow (Scotland), wreck diving
- Faille de Noupa - Ils de Pins (New Caledonia), reef diving
- Fairy Cove - Devon (UK), reef diving
- Fallen Tree - Bohol (Philippines), reef diving
- Far Gardens - Sharm El Sheikh (Red Sea), reef diving
- Farnsworth Banks - Catalina Island (California, USA), reef diving
- Fasima Suedi - Sudan (Red Sea), reef diving
- Fastnet Rock - Baltimore (Ireland), reef diving
- Fellow Rocks - Safaga (Red Sea), reef diving
- Fenella Beach - Isle of Man (UK), reef diving
- HMS Firebrand - Isles of Scilly (UK), wreck dive
- Fish Bowl - Dahab (Red Sea), reef diving
- Fish City - Tobago (Caribbean), reef diving
- Fish Rock Cave - South West Rocks (Australia), cave dive
- Five Mile Reef - Sodwana Bay (South Africa), reef diving
- Flamingo Bay - Grenada (Caribbean), reef diving
- Fleur de Lys - Swanage (UK), wreck diving
- Flinders Reef - Brisbane (Australia), reef diving
- Floatcarr Reef - St Abbs (Scotland), reef diving
- Flossnan - Isle of Skye (Scotland), reef diving
- Flying Reef Extension - Tobago (Caribbean), reef diving
- The Forest - Bonaire (Caribbean), reef diving
- Fort Bovisand - Plymouth (UK), reef diving
- Fridays Rock - Boracay (Philippines), reef diving
- Fortuna - Brighton (UK), wreck diving
- Fujikawa Maru - Truk Lagoon (Micronesia), wreck diving
- Fumitsuki Maru - Truk Lagoon (Micronesia), wreck diving
- Fundu Gap - Pemba (Tanzania), reef diving
- Fury Shoal Garden - Fury Shoals (Southern Red Sea), reef diving
- Fushivaru Giri - Lhaviyani Atoll (Maldives), reef diving
- Futagami Tugboat - Truk Lagoon (Micronesia), wreck diving
top 
G:
- Gabr el Bint - Dahab (Red Sea), reef diving
- Galicia - Devon (England), wreck diving
- Gamet Bay - Bali (Indonesia), reef diving
- Gamul Kibeer - Safaga (Red Sea), reef diving
- Gamul Shiwayya - Safaga (Red Sea), reef diving
- The Garden - Tenerife (Canary Islands), reef diving
- Garden Eel - Bali (Indonesia), reef diving
- Garden Eels - Panglao Island (Philippines), reef diving
- The Garden of Eden - The Yasawas (Fiji), reef diving
- Garibaldi Reef - Catalina Island (California, USA) - reef diving
- Gascony - Sussex (UK), wreck diving
- The Gates - Bodrum (Turkey), reef diving
- Gato Island - Malapascua (Philippines), reef diving
- Gavirifaru Kandu - Lhaviyani Atoll (Maldives), reef diving
- George's Wreck - Rabaul (Papua New Guinea), wreck diving
- Ghar Lapsi - Malta, cave dive
- Giannis D - Hurghada (Red Sea), wreck diving
- Gildenburgh Water - Peterborough (UK), inland dive site
- Gilstone Reef - Isles of Scilly (UK), reef dive
- Glanmire Wreck - St Abbs (Scotland), wreck diving
- The Glendun - Isle of Man (UK), wreck diving
- Glen Strathallen - Plymouth (UK), wreck diving
- Golden Arches - Beqa Lagoon (Fiji), reef diving
- Golden Blocks - Dahab (Red Sea), reef diving
- Golden Dreams - Nananu-i-Ra (Fiji), reef diving
- Gordon's Mooring - Cairns (Australia), reef diving
- Gosei Maru - Truk Lagoon (Micronesia), wreck diving
- Gota Abu Ramada - Hurghada (Red Sea), reef dive
- Gota Kibeer - St John's (Southern Red Sea), reef diving
- Gota Shiwayya - St John's (Southern Red Sea), reef diving
- Grand Banks - Yadua (Fiji), reef diving
- Grand Caille - St Lucia (Caribbean), reef diving
- Grand Canyons - Menorca (Balearics), reef diving
- Grand Etang Volcano Crater - Grenada (Caribbean), inland dive site
- The Greek - Pembrokeshire (Wales), wreck diving
- Great Wall of China - Vomo Island (Fiji), reef diving
- Great White Wall I - Taveuni (Fiji), reef diving
- Grobe Reef - Mallorca (Balearics), reef diving
- Grotto de la Troisieme - Ils de Pins (New Caledonia), cave dive
- Grouper's Cave - Tenerife (Canary Islands), reef diving
- Gubal Barge - Hurghada (Red Sea), wreck diving
- Guiradoo - South Male Atoll (Maldives), reef diving
- the Gulley- County Kerry (Ireland), reef diving
top 
H:
- Haakon Jarl II - Lofoten (Norway), wreck diving
- Habagat Wreck - Philippines (Panglao Island), wreck diving
- Habili Jaffar - St John's (Southern Red Sea), reef diving
- Habili St John's Wood - St John's (Southern Red Sea), reef diving
- Habili Washour - St John's (Southern Red Sea), reef diving
- M.S. Hamburg - Lofoten (Norway), wreck diving
- Hanarangis - Rarotonga (Cook Islands), reef diving
- Hanging Gardens - Sipadan (Borneo), reef diving
- Happy Hill - Grenada (Caribbean), reef diving
- Hardeep - Pattaya (Thailand), wreck diving
- Hastings Reef - Cairns (Australia), reef diving
- Hathor - Isles of Scilly (UK), wreck dive
- M.V. Hatour - Safaga (Red Sea), wreck diving
- Heian Maru - Truk Lagoon (Micronesia), wreck diving
- Hema 1 - Grenada (Caribbean), wreck diving
- Hin Daeng & Hin Muang - Ko Lanta (Thailand), reef diving
- Hispania - Oban (Scotland), wreck diving
- Hogula Huraa - North Male Atoll (Maldives), reef diving
- Hoki Maru - Truk Lagoon (Micronesia), wreck diving
- Hole in the Wall - Gran Canaria (Canary Islands), reef diving
- Hood - Dorset (UK), wreck diving
- The Horn - St Abbs (Scotland), reef diving
- Horsea Island - Hampshire (UK), inland dive site
- Horse Guards - Yadua (Fiji), reef diving
- Horseshoe - Cairns (Australia), reef diving
- House Reef - Kapalai (Borneo), reef diving
- House Reef - Mabul (Borneo), reef diving
- House Reef - Lhaviyani Atoll (Maldives), reef diving
- Howick Beach - Great Kern, Northumberland (UK), reef diving
- Hoyo Maru - Truk Lagoon (Micronesia), wreck diving
- El Hueco - Isla de la Juventud (Cuba), reef diving
top 
I:
- I-169 - Truk Lagoon (Micronesia), wreck diving
- Idrigill Point - Isle of Skye (Scotland), reef diving
- Illyrian - Baltimore (Ireland), wreck diving
- Imperial Eagle - Malta, wreck diving
- Inchcape 1 - Al Fujayrah (United Arab Emirates), wreck diving
- Inchcape 2 - Al Fujayrah (United Arab Emirates), wreck diving
- Los Indios - Isla de la Juventud (Cuba), reef diving
- Inland Sea - Malta, wall dive
- Irako Maru - Coron (Philippines), wreck diving
- Iron Pier - Isle of Man (UK), reef diving
- Islands - Dahab (Red Sea), reef diving
- Isle de Rhonde - Grenada (Caribbean), reef diving
- Italia - Isles of Scilly (UK), wreck dive
- Italian Gardens - Catalina Island (California, USA) - reef diving
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J:
- Jackfish Alley - Sharm El Sheikh (Red Sea), reef diving
- Jackson Reef - Sharm El Sheikh (Red Sea), reef diving
- Jack's Place - Taveuni (Fiji), reef diving
- James Barrie - Scapa Flow (Scotland), wreck diving
- James Egan Layne - Plymouth (UK), wreck diving
- Japanese Gardens - Grenada (Caribbean), reef diving
- Japanese Gardens - Tobago (Caribbean), reef diving
- Jardin d'Eden - Ils de Pins (New Caledonia), reef diving
- Jardin de las Gorgonias - Maria la Gorda (Cuba), reef diving
- Jenny Cliff Bay - Plymouth (UK), reef diving
- Jibacoa - Isla de la Juventud (Cuba), wreck diving
- Jolanda - Sharm El Sheikh (Red Sea), wreck diving
- Justicia - Malin Head (County Donegal, Ireland), wreck diving
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K:
- Kahlifushifaru Corner - Lhaviyani Atoll (Maldives), reef diving
- The Kalais - Gran Canaria (Canary Islands), wreck diving
- Kalipayan - Panglao Island (Philippines), reef diving
- Kandooma Corner - South Male Atoll (Maldives), reef diving
- Kangaroo Bommie - Cairns (Australia), reef diving
- Kansho Maru - Truk Lagoon (Micronesia), wreck diving
- Karaoke - Sussex (UK), wreck diving
- MV Karwela- Gozo, Malta, wreck diving
- Karlsruhe - Scapa Flow (Scotland), wreck diving
- Kasmira Reef - Ils de Pins (New Caledonia), reef diving
- Kastri - Lefkas (Greece), reef diving
- Kedge Island Bay - Baltimore (Ireland), reef diving
- Kedge Island Drift - Baltimore (Ireland), reef diving
- Kelly Cove - British Virgin Islands (Caribbean), reef diving
- Kemod Shoal - Malapascua (Philippines), reef diving
- Kenmore Point - Loch Fyne (Scotland), reef diving
- Kennedy Island - Solomon Islands (reef diving)
- Khram - Pattaya (Thailand), wreck diving
- Killer Whale Diving (orca Diving) - Lofoten (Norway)
- Kimmeridge Bay - Dorset (UK), reef diving
- Kimon M - Hurghada (Red Sea), wreck diving
- King Cruiser Wreck - Ko Lanta (Thailand), wreck diving
- King Mitch - Grenada (Caribbean), wreck diving
- Kingston - Sharm El Sheikh (Red Sea), wreck diving
- SS Kintyre - Clyde (Scotland), wreck diving
- Kiyosumi Maru - Truk Lagoon (Micronesia), wreck diving
- Kogyo Maru - Coron (Philippines), wreck diving
- Kohani - Grenada (Caribbean), reef diving
- Ko Haa - Ko Lanta (Thailand), reef diving
- Koh Chuang - Pattaya (Thailand), reef diving
- Koh Kon Island - Sihanoukville (Cambodia), reef diving
- Koh Krok - Pattaya (Thailand), reef diving
- Koh Lan Vac - Pattaya (Thailand), reef diving
- Koh Ma - Koh Pha-ngan (Thailand), reef diving
- Koh Man Witchai - Pattaya (Thailand), reef diving
- HTMS Kood - Pattaya (Thailand), wreck diving
- Koh Rin - Pattaya (Thailand), reef diving
- Koh Sak - Pattaya (Thailand), reef diving
- Kokota - Pemba (Tanzania), reef diving
- Konig - Scapa Flow (Scotland), wreck diving
- Ko Phi Phi - Ko Lanta (Thailand), reef diving
- Ko Rok - Ko Lanta (Thailand), reef diving
- Ko Talu - Koh Samet (Thailand), reef diving
- Kowloon Bridge - Baltimore (Ireland), wreck diving
- Kronprinz Wilhelm - Scapa Flow (Scotland), wreck diving
- Kuda Giri - South Male Atoll (Maldives), wreck diving
- Kuda Giri - Lhaviyani Atoll (Maldives), reef diving
- Kuda Rah Thila - South Ari Atoll (Maldives), reef diving
- Kudhimaa Wreck - South Ari Atoll (Maldives), wreck diving
- Kuredu Express - Lhaviyani Atoll (Maldives), reef diving
- Kyarra - Dorset (UK), wreck diving
- Kyokuzan Maru - Coron (Philippines), wreck diving
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L:
- La Laguna Point - Mindoro (Philippines), reef diving
- Lam Tong - Pattaya (Thailand), wreck diving
- USS Lamson - Bikini Atoll (Marshall Islands), wreck diving
- Landing Cove - Devon (UK), reef diving
- Landing Craft & Bombardon Unit - Portland Harbour (South Coast, UK), wreck diving
- Latitude Rocks - Forster (Australia), reef diving
- Laurentic - Malin Head (County Donegal, Ireland), wreck diving
- The Lava Caves - Lanzarote (Canary Islands), reef diving
- Lesleen M - St Lucia (Caribbean), wreck diving
- Lhosfushi Corner - South Male Atoll (Maldives), reef diving
- Liberty Wreck - Bali (Indonesia), wreck diving
- Lighthouse - Bohol (Philippines), reef diving
- The Lighthouse - Lefkas (Greece), reef diving
- Lighthouse - Menorca (Balearics), reef diving
- Lighthouse - Dahab (Red Sea), reef diving
- Lighthouse Point - Malta, reef diving
- Lighthouse Reef - Malapascua (Philippines), reef diving
- Linnhe Point - Scotland inland dive
- Lion Rock - New Zealand, reef diving
- Lionfish Reef - South Male Atoll (Maldives), reef diving
- Lionfish Rock - Dahab (Red Sea), reef diving
- Lions Head - North Male Atoll (Maldives), reef diving
- Lipah Bay Wreck - Bali (Indonesia), wreck diving
- Littlehampton Drift - Sussex (UK), reef diving
- Little Reef - St John's (Southern Red Sea), reef diving
- Littleton Pit - Middlesex (UK), inland dive site
- Lobster Wall - Mabul (Borneo), reef diving
- Lochaline Pier - Scotland inland dive
- Loch Eil Drift - Scotland inland dive
- Looc - Bohol (Philippines), reef diving
- Lulworth Cove - Dorset (UK), reef diving
- Lusong Gunboat - Coron (Philippines), wreck diving
top 
M:
- M2 - Dorset (UK), wreck diving
- Maavaru Kandu - Baa Atoll (Maldives), reef diving
- Mae Haad - Koh Pha-ngan (Thailand), reef diving
- Maafushi - South Male Atoll (Maldives), reef diving
- Maafushi Corner - South Male Atoll (Maldives), reef diving
- Maaya Thila - South Male Atoll (Maldives), reef diving
- La Machaca - Bonaire (Caribbean), reef diving
- MacLeod's Maidens - Isle of Skye (Scotland), reef diving
- Mada - Beruwela (Sri Lanka), reef diving
- Madonna Cave - Mallorca (Balearics, Spain), cave dive
- Madonna, Cirkewwa - Malta, reef diving
- Magic Garden - Carriacou (Caribbean), reef diving
- Magic Point - Sydney (Australia), reef diving
- The Magnificent - Fort William (Scotland), wreck diving
- Mahi - Oahu (Hawaii), wreck diving
- Makaha Caverns - Oahu (Hawaii), reef diving & lava tubes
- Makamaka Point - Yadua (Fiji), reef diving
- Mala - Lanzarote (Canary Islands), reef diving
- Malahi - Fury Shoals (Southern Red Sea), reef diving
- Malgrats - Mallorca (Balearics, Spain), reef diving
- Mana Wall - The Mamanucas (Fiji), reef diving
- Mandarin - Mabul (Borneo), reef diving
- M & M Reef - North Nilandhe Atoll (Maldives), reef diving
- Mango Bay - Koh Tao (Thailand), reef diving
- Manta Point - Bali (Indonesia), reef diving
- Manta Point - Baa Atoll (Maldives), reef diving
- Manta Ray Point - Yadua (Fiji), reef diving
- Manta Reef - Pemba (Tanzania), reef diving
- Maori - Malta, wreck diving
- Maria la Gorda Beach - Maria la Gorda (Cuba), snorkelling site
- Marina - Beruwela (Sri Lanka), reef diving
- Maritime Reefer - Rarotonga (Cook Islands), wreck diving
- Mariu Faru - North Male Atoll (Maldives), reef diving
- Markgraf - Scapa Flow (Scotland), wreck diving
- Marsa Abu Dabab - Marsa Alam (Southern Red Sea), reef diving
- Marsa Asalaya - Marsa Alam (Southern Red Sea), reef diving
- Marsa Egla - Marsa Alam (Southern Red Sea), reef diving
- Marsa Gabel El Rosas - Marsa Alam (Southern Red Sea), reef diving
- Martini Rock - Al Fujayrah (United Arab Emirates), reef diving
- Mashraba - Dahab (Red Sea), reef diving
- MV Mataora - Rarotonga (Cook Islands), wreck diving
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