The following index is provided as an overview of and topical guide to Wikipedia's articles on recreational dive sites. The level of coverage may vary:

• Recreational dive sites – specific places that recreational divers go to enjoy the underwater environment or are used for training purposes.

• 115 (barge) – American whaleback barge

• HMS A1 – The Royal Navy's first British-designed submarine
• HMS A3 – A-class submarine of the Royal Navy
• USS Aaron Ward – Gleaves-class destroyer of the United States Navy
• Abessinia – German ship wrecked at the Farne Islands in 1921. Now a dive site
• USS Accokeek – Auxiliary ocean tug of the United States Navy,
• Addo Elephant National Park Marine Protected Area – Marine conservation area in the Eastern Cape in South Africa
• HMAS Adelaide – Frigate of the Royal Australian Navy, lead ship of the class
• SS Admiral Sampson – American-flagged cargo and passenger steamship
• MV Adolphus Busch – Ship sunk off of Looe Key, Florida, as an artificial reef and dive site
• Aeolian Sky – Greek registered freighter sunk off Dorset after a collision
• USS Aeolus – Attack cargo ship converted into a cable repair ship
• Agat World War II Amtrac – Sunken amphibious tracked landing vehicle
• SS Ajax – Cargo steamship that was built in Germany in 1923
• Albert C. Field – Canadian cargo ship, sunk off the Needles during World War II
• Akumal – Community in Quintana Roo state, Mexico
• USS Algol – Andromeda-class attack cargo ship
• SS Algoma – Screw steamer sunk on Lake Superior
• Aliwal Shoal – A rocky reef off the coast of KwaZulu-Natal, South Africa
• Aliwal Shoal Marine Protected Area – Marine conservation area at Aliwal Shoal off the coast of KwaZulu-Natal, South Africa
• Alondra – English steamer wrecked off Ireland
• Al Munassir – Amphibious warfare vessel operated by the Royal Navy of Oman
• Alphard banks – Seamount on the Agulhas Bank
• Amaryllis – Canadian cargo ship
• Amed (Bali) – Group of fishing villages in Karangasem Regency on the north coast of Bali
• SS America – Steam packet wrecked off Isle Royale in Lake Superior
• USS Anderson – Sims-class destroyer
• Andrea Doria – Genoa registered passenger liner of the Italian line sunk after a collision off Massachusetts
• Anilao – Region popular for diving tourism – Marine protected sanctuary in Mabini, Batangas
• Antilla – Hamburg America Line cargo ship scuttled in 1940 off Aruba
• Antilles – French cruise ship that ran aground and sank off Mustique
• Apo Island – Volcanic island in Visayas, Philippines
• Apo Reef – Coral reef in the Philippines
• USS Apogon – Balao-class submarine
• SS Appomattox – Largest wooden steamship on the Great Lakes wrecked in 1905
• Aquila – British built cargo ship sunk off Ambon
• Aratama Maru – Japanese munitions transport ship sunk at Guam
• Arctic – Tugboat used in the Great Lakes of North America
• USS Arkansas – Dreadnought battleship of the United States Navy
• SS Arratoon Apcar – 19th-century British steamship that is now a wreck in Florida
• Arrecifes de Cozumel National Park – Marine protected area in the Cozumel reef system off Mexico
• USS Arthur W. Radford – Spruance-class destroyer in the United States Navy
• USS Atlanta – Atlanta-class light cruiser

• Bangaram Atoll – Atoll in the Union Territory of Lakshadweep, India
• Bay of Pigs – Bay on the island of Cuba
• HMAS Bayonet – Attack-class patrol boat of the Royal Australian Navy
• Belize Barrier Reef – Series of coral reefs straddling the coast of Belize
• Bellubera – Ferry operated by the Port Jackson & Manly Steamship Company
• SS Ben Doran – Steam fishing trawler that operated out of Aberdeen
• SS Benwood – Steam cargo ship of the early twentieth century
• Bianca C. – Passenger ship sunk off Grenada
• USCGC Bibb – Secretary-Class Coast Guard ship
• SS Binnendijk – Dutch cargo steamship sunk by a mine off Portland Bill in the English Channel
• Biscayne National Park – American national park located south of Miami, Florida
• HMSAS Bloemfontein – Algerine-class minesweeper built for the Royal Navy in Canada during World War II
• Blue Grotto (Malta) – Sea caverns in Malta
• Blue Hole (Red Sea) – Submarine sinkhole north of Dahab, Egypt
• HMS Boadicea – B-class destroyer of the Royal Navy, sunk by enemy action in Lyme Bay
• Boesmansgat – Sinkhole and dive site in South Africa
• Bohol Sea – Marginal sea between the Visayas and Mindanao in the Philippines
• Booya – Schooner wrecked in Darwin, Australia
• BOS 400 – Recent wreck and dive site at Duiker Point on the Cape Peninsula west coast
• Bottle Island – One of the Summer Isles in Loch Broom, Scotland
• Bowie Seamount – Submarine volcano in the northeastern Pacific Ocean
• Breda – Dutch ship sunk off Scotland in 1940, now a recreational dive site.
• Brian Davis – Iris-class buoy tender
• HMAS Brisbane – Perth-class guided missile destroyer of the Royal Australian Navy sunk as a dive site off the Queensland coast
• HMHS Britannic – Olympic-class ocean liner and WWI hospital ship
• Bud Bar – Artificial reef near Boynton Beach, Florida
• Bullhead Point Historical and Archeological District – Historic district in Wisconsin, United States
• Bulli Point – Diving location in Lake Taupō, New Zealand
• Bunaken – Island at the northern tip of Sulawesi in Indonesia
• Bunaken National Park – Marine park in the north of Sulawesi island, Indonesia
• Bungsberg – German cargo ship sunk near Tallinn, Estonia
• Byron – Schooner that sank in Lake Michigan

• Cagdanao – Island in the province of Palawan in the Philippines
• Cahuita National Park – Terrestrial and marine national park in Costa Rica
• Calve Island – Uninhabited island on the west coast of Scotland
• HMAS Canberra – Adelaide class guided missile frigate of the Royal Australian Navy scuttled as dive site off Barwon Heads, Victoria
• Cancún Underwater Museum – Underwater display of sculpture in Cancún, Mexico
• HMCS Cape Breton – Royal Canadian Navy Cape-class maintenance ship
• USCGC Cape Henlopen – Type "C" Cape-class coast guard cutter
• Capernwray Dive Centre – Flooded quarry in Lancashire, England, used as a recreational dive site.
• Captain Keith Tibbetts – Former Cuban Navy Koni II-class frigate scuttled in shallow water in Cayman Brac
• Capurganá – Tourist destination of Colombia
• Carl D. Bradley – Self-unloading Great Lakes freighter that sank in a Lake Michigan storm
• USS Carlisle – Attack transport sunk at Bikini atoll
• Carnatic – British steamship wrecked in the gulf of Suez
• Carthaginian II – Steel sailing vessel sunk as artificial reef
• SS Cayuga – American freighter, in service 1889–1895
• SS Cedarville – Great lakes bulk carrier wrecked in a collision
• Cenote – Natural pit or sinkhole that exposes groundwater underneath
• SS Charles S. Price – Ship sunk in Lake Huron in 1913
• HMCS Chaudière – Restigouche-class destroyer of the Royal Canadian Navy
• ROCS Chen Hai – Casa Grande-class dock landing ship
• Chesil Cove – Massive curved slope of shingle, at Chesil Beach in Dorset, England
• SS Chester A. Congdon – American Great Lakes freighter 1907-1918
• Chinhoyi Caves – Group of caves in north central Zimbabwe
• Christina Nilsson – Schooner that sank in Lake Michigan
• Christ of the Abyss – Submerged statue of Jesus Christ
• Chuuk Lagoon – A sheltered body of water in the central Pacific in the Federated States of Micronesia
• Chuuk Lagoon – Atoll in the Federated States of Micronesia
• Chuuk State – State in the Federated States of Micronesia
• Circle of Heroes – Underwater military memorial in Florida
• Ċirkewwa – Harbour in Malta
• City of Bangor – Great Lakes freighter that sank in Lake Superior
• SS City of Everett – American whaleback steamship
• SS City of Launceston – Steamship operated by the Launceston and Melbourne Steam Navigation Company
• SS Clan Ranald – Turret deck steamship that sank off the Yorke Peninsula, South Australia
• SS Clifton – Whaleback Great Lakes freighter
• Cliff Villa Peninsula – Promontory in Bandabou, Curaçao
• Cobb Seamount – Underwater volcano west of Grays Harbor, Washington, United States
• Cocklebiddy cave – Large flooded cave in Western Australia
• Cod Hole – Dive site in Queensland, Australia
• USCGC Comanche – Coast guard cutter
• SS Comet – 1857 steamship, only treasure ship of Lake Superior
• Constandis – Fishing vessel sunk as a recreational dive site in Limassol Bay, Cyprus
• HMAS Coogee – Passenger ferry that briefly served as a Royal Australian Navy armed patrol vessel
• SMS Cormoran – German armed merchant raider of WWI scuttled at Guam
• HMS Coronation – 90-gun second-rate ship of the line of the English Royal Navy
• Coron Bay – Bight in Palawan, Philippines
• Coron Island – Island in the Calamian Islands in Palawan in the Philippines
• Cozumel – Island in Quintana Roo, Mexico
• Crusader – Australian Army amphibious operations support ship of World War II
• USS Curb – Diver-class rescue and salvage ship
• PS Cumberland – Wooden-hulled side paddlewheeler wrecked in Lake Superior
• USCGC Cuyahoga – US Coast Guard Active-class patrol boat

• Daedalus Reef – Reef in the Egyptian Red Sea
• MV Dania – Cargo ship scuttled as a dive site off Bamburi, Kenya
• Daniel Lyons – Schooner that sank in Lake Michigan
• David Tucker – Steel-hulled patrol boat of the 95-Foot or Cape class.
• Dean's Blue Hole – Deep water-filled sinkhole in the Bahamas
• Devil's Throat at Punta Sur – Underwater cave near Cozumel, Mexico
• Dhilba Guuranda–Innes National Park – Protected area in the Yorke Peninsula, South Australia
• MV Diamond knot – Cargo ship of the United States
• Dinorwic quarry – Former slate quarry in north Wales
• Dive sites of the Table Mountain National Park Marine Protected Area – Recreational dive sites around the Cape Peninsula
• Dive sites of Whittle Rock reef – Recreational dive sites in False Bay, South Africa
• Diving in East Timor – Recreational diving region descriptionPages displaying short descriptions of redirect targets
• Diving in the Maldives – Recreational diving region description
• Diving sites in Ko Tao – Region of Thailand known as a recreational diving destination
• Dorothea Quarry, Nantlle Valley, Gwynedd, North Wales.
• Dos Ojos – Flooded cave system in the Yucatan Peninsula, Mexico
• Dosthill quarry – Flooded quarry in England used for scuba diving
• Dragon Hole – Deep underwater sinkhole in the South China Sea
• SMS Dresden (1917) – Light cruiser of the German Imperial Navy
• SS D.R. Hanna – 552-foot steel freighter that sank on Lake Huron in 1919
• USCGC Duane – United States Coast Guard cutter
• SS Dunraven – British cargo vessel wrecked in the Gulf of Suez
• Dutch Springs – Flooded quarry in Pennsylvania used as a recreational diving site
• SS Dwight L. Moody – Liberty ship of WWII
• Dzibilchaltun – Maya archaeological site with cenote in Yucatan, Mexico

• Eagle – Freighter sunk as an artificial reef in Florida
• SS Eastfield – Ship sunk off Cornwall in 1917, now a dive site
• SS Eber Ward – Package freighter sunk in the Straits of Mackinac
• Eccleston Quarry – Flooded quarry used as a recreational dive site
• Edithburgh jetty – Coastal town in South Australia
• SS Edgar E. Clark – American Liberty ship
• Edmonds Underwater Park – Recreational dive site in Seattle, Washington
• SS Egypt – Ocean liner which sunk in 1922
• El Gouna – Egyptian Red Sea town
• El Ikhwa Islands – Two islands in the Egyptian Red Sea
• HMT Elk – British trawler sunk off Plymouth in 1940, now a recreational dive site.
• SS Ellengowan – Schooner shipwrecked in Darwin, Australia
• Elm Hole – Cave in Llangattock, Powys, Wales
• Elphinstone Reef – Small reef in the Egyptian Red Sea
• USS Emmons – Gleaves-class destroyer
• SS Emperor – Canadian Great Lakes freighter 1910-1947
• RMS Empress of Ireland – Canadian ocean liner that sank in 1914
• Engelbrecht Cave – Cave system in South Australia
• SS Erie L. Hackley – Passenger and cargo ship that operated in Lake Michigan
• SS Espagne – Belgian cargo ship sunk in English Channel
• SS Etruria – Steel freighter that sank on Lake Huron in 1905
• Eyemouth – Coastal town in Berwickshire Scotland
• Ewens Ponds – Flooded sinkholes in South Australia

• Falls of Lora – Tidal race at the mouth of Loch Etive in Argyll and Bute, Scotland, UK
• HMS Falmouth – Town-class light cruiser of the Royal Navy sunk off Flamborough Head, Yorkshire by German submarines
• False Bay – Bay of the Atlantic Ocean at South Africa
• Fanadir – Recreational dive site in the Red Sea
• Farne Islands – Island group off Northumberland, England
• Fifi – Tugboat that caught fire and sank in Bahrain
• Finger Lakes Underwater Preserve Association – Organization to promote conservation of the New York State's Finger Lakes
• Fleetwing – Schooner that sank in Lake Michigan
• Fontana – Ship sunk in the St. Clair river in 1900
• Fort Bovisand – Coastal fort in Devon, England
• Fossil Cave – A flooded cave in the Limestone Coast region of South Australia
• Fowey Rocks Light – Lighthouse on Key Biscayne, Florida, United States
• SS Francisco Morazan – German built cargo ship wrecked in Lake Michigan
• SS Francis Hinton – Wooden-hulled steam barge sunk in Lake Michigan
• SS Frank O'Connor – Bulk carrier that sank in Lake Michigan
• Frederiksted Pier – Cruise ship pier in Saint Croix, U.S. Virgin Islands
• French Reef – Coral reef in the Florida Keys, US
• F.T. Barney – American schooner that sank in Lake Huron in 1868.
• Fujikawa Maru – Japanese armed transport ship sunk in Truk lagoon
• Japanese destroyer Fumizuki – Mutsuki-class destroyer of the Imperial Japanese Navy sunk at Truk

• Gallinipper – Schooner that sank in Lake Michigan
• Gamul Kebir – Recreational dive site of Egypt in the Red Sea
• SMS Geier – Unprotected cruiser of the German Imperial Navy
• SATS General Botha – Mersey class cruiser
• USNS General Hoyt S. Vandenberg – US Navy transport ship sunk as artificial reef at Key West
• SS George Dewey – Liberty ship of WWII
• George A. Marsh – Three-masted schooner sunk in Lake Ontario
• Georg Thiele – Type 1934 class destroyer
• German submarine U-40 (1938) – German submarine sunk by a mine in the English Channel
• German submarine U-352 – German World War II submarine
• German submarine U-1195 – German World War II submarine
• Għar Qawqla – Limestone formation off Marsalforn on the island of Gozo in Malta
• HMS Ghurka – Tribal-class destroyer of the Royal Navy sunk off Dungeness by a German mine
• Gibraltar Artificial Reef – Artificial reef project off Gibraltar
• Gili Islands – Three small islands off Lombok, Indonesia
• USS Gilliam – Attack transport ship sunk at Bikini atoll
• Ginnie Springs – Spring in Florida used for water sports
• SS Glenlyon – Freighter sunk off the shore of Isle Royale in Lake Superior
• Glen Strathallan – British ship scuttled in Plymouth sound as a dive site
• SAS Good Hope – Loch-class frigate in the South African Navy
• HMAS Goorangai – Auxiliary minesweeper of the Royal Australian Navy
• SS Gothenburg – British steamship wrecked on the Great Barrier Reef
• Grace A. Channon – Three masted schooner built in Michigan
• Great Barrier Reef – Coral reef system in Queensland, Australia, World Heritage Site
• SS Grecian – Steel bulk freighter wrecked in Lake Huron
• Great Blue Hole – Marine sinkhole off the coast of Belize
• Green Banana Hole – Blue hole off the coast of Sarasota, Florida
• Great Southern Reef – Australian reef system
• Green Bay (shipwreck) – The name given to an unidentified sloop that sank in Lake Michigan
• MV Gregory Poole – Admirable-class minesweeper
• Guadalupe Island Biosphere Reserve – Natural reserve in Mexico
• Gutter Sound – Sound in Scapa Flow, Orkney, United Kingdom

• Hamilla Mitchell – Shipwreck and treasure recovery
• Hand Deeps – Area of the English Channel off the south coast of Cornwall
• Haql – City in Tabuk province, Saudi Arabia
• MT Haven – Crude oil carrier that sank off the coast of Genoa, Italy in 1991
• Heian Maru – Japanese ocean liner and auxiliary submarine tender.
• SS Henry Chisholm – Wooden freighter wrecked in isle royale
• MT Hephaestus – Bunkering oil tanker which ran aground off Qawra, Malta
• Heron Island (Queensland) – Coral cay in Queensland, Australia
• Hermann Künne – Type 1936-class destroyer
• HMS Hermes – 1924 unique aircraft carrier
• Herzogin Cecilie – German-built four-masted barque wrecked near Salcombe
• SS Hesrer – Bulk-freighter steamship that sank in Lake Superior
• Hilsea Point Rock – Group of pinnacles in the English Channel off Devon
• Hilma Hooker – Shipwreck in Bonaire in the Caribbean Netherlands
• Hispania – Swedish steamship wrecked in the Sound of Mull, now a dive site
• Hluleka Marine Protected Area – Marine conservation area in the Eastern Cape in South Africa
• HMAS Hobart – Former guided missile destroyer of the Royal Australian Navy scuttled off Yankalilla Bay in South Australia
• Hoi Ha Wan – Bay in a marine park in Hong Kong
• Hol Chan Marine Reserve – Marine reserve off the coast of Belize
• Home – Two-masted schooner which sank in Lake Michigan
• HMS Hood – Royal Sovereign-class battleship of the Royal Navy scuttled in Portland Harbour
• Hotel Terme Millepini – Hotel with 40m deep underwater diving pool
• Hranice Abyss – Flooded sinkhole near the town of Hranice, Czech Republic
• SS Hydra – American steel-hulled Great Lakes bulk freighter,

• Igara – Bulk carrier wrecked off the east coast of Malaysia and partly salvaged
• USS Indra – Landing craft repair ship built for the United States Navy during World War II
• Inland Sea, Gozo – Seawater lagoon on Gozo, Malta
• SS Ironsides – Wooden-hulled American package freighter on Great Lakes service
• SS Isaac M. Scott – American Great Lakes freighter
• iSimangaliso Marine Protected Area – Marine conservation area in northern kwaZulu-Natal in South Africa
• Island City – Schooner that sank in Lake Michigan

• HMAS J1 – J class submarine
• HMAS J2 – J class submarine
• HMAS J4 – J class submarine
• HMAS J5 – 1916 J class submarine
• Jacob's Well (Texas) – Perennial karstic spring in the Texas Hill Country
• SS James Caldwell – Liberty ship of WWII
• James Eagan Layne – Liberty ship sunk off Cornwall, now a dive site
• Japanese cruiser Sakawa – Agano-class light cruiser
• Japanese destroyer Oite – Kamikaze-class destroyer built for the Imperial Japanese Navy during the 1920s
• John Pennekamp Coral Reef State Park – State park at Key Largo, Florida, USA
• SS John V. Moran – American package freighter
• Jordbrugrotta – Cave system in Norway
• J.S. Seaverns – Shipwreck and dive site in Lake Superior
• Jura – Wooden, flush deck, paddle steamer,
• Jutten Island Marine Protected Area – Marine conservation area in Saldanha Bay in South Africa

• Kadmat Island – Coral island of the Lakshadweep archipelago in India
• SS Kamloops – Lake freighter of Canada Steamship Lines
• Kashi Maru – Japanese auxiliary minelayer, now a dive site in the Solomon Islands
• PS Keystone State – American paddle steamer
• SS Keystorm – Shipwreck in the Great Lakes off Ontario in 1912
• King Cruiser – Car ferry of that sank off the West Coast of Southern Thailand
• Kizugawa Maru – World War II-era Japanese freighter ship
• Ko Tao – Island subdistrict in Surat Thani, Thailand
• Krapanj – Island in the Adriatic Sea, south of Šibenik, Croatia
• Kristu tal-Baħħara – Christ of the Mariners, underwater statue off Malta
• SMS Kronprinz – German battleship scuttled in Scapa Flow
• Kyarra – Cargo and passenger luxury liner torpedoed and sunk near Swanage
• Kyle Spangler (schooner) Shipwreck Site – Shipwreck in Lake Huron, US

• PS Lady Elgin – American sidewheel steamship that sank in Lake Michigan
• Lady Thetis – Cypriot passenger ship sunk for use as a recreational dive site
• HMS Laforey – Royal Navy destroyer sunk by a mine off Sussex
• SS Lakeland – Steel ship wrecked in Lake Michigan
• USS Lamson – Mahan-class destroyer
• Langebaan Lagoon Marine Protected Area – Marine conservation area in the Langebaan lagoon in the Western Cape province of South Africa
• SS Laurentic – British ocean liner sunk by mines in 1917
• MV Liberty – Russian cargo ship
• USAT Liberty – United States Army cargo ship torpedoed by Japanese submarine and beached on the island of Bali.
• Lighthouse Reef – Atoll off the coast of Belize
• List of shipwrecks in the Thunder Bay National Marine Sanctuary
• Little Blue Lake – Flooded sinkhole dive site in South Australia
• Loch Long – Sea-loch in Argyll and Bute, Scotland, UK
• MS Logna – First ship intentionally sunk as artificial reef and recreational dive site in the Bahamas
• Logue Brook Dam – Dam in Western Australia
• SS Louisiana – Steamboat that sank in Lake Michigan
• Louis Sheid – Belgian ship sunk off Devon on 1939. Now a recreational dive site
• SS L.R. Doty – Great Lakes steamship lost in Lake Michigan
• USS LST-507 – US Tank landing ship sunk off the south coast of England, now a dive site
• Lumberman – Schooner that sank in Lake Michigan
• RMS Lusitania – British ocean liner that was sunk in 1915 during WW1

• HMS M2 – Royal Navy submarine monitor wrecked in Lyme Bay
• HMCS Mackenzie
• Madeira – Barge that sank in Lake Superior in 1905
• Magic Point – Coastal headland in Sydney, New South Wales, Australia
• Maine – British ship sunk in 1917 near Dartmouth, Devon. Now a recreational dive site
• Major General Wallace F. Randolph – Mine planter of The US Army
• Makna, Saudi Arabia – A town in Tabuk provence of Saudi Arabia
• Malgas Island Marine Protected Area – Marine conservation area on the west coast in the Western Cape province in South Africa
• Malapascua – Island in the Philippines
• Maloja – UK registered passenger steamship sunk by a mine off Dover
• Maltese patrol boat P29 – Ship scuttled as dive site off Malta
• Maltese patrol boat P31 – Minesweeper/patrol boat scuttled for use as a recreational dive site
• The Manacles – Set of treacherous rocks off The Lizard peninsula in Cornwall
• Mantanani Islands – Group of three islands off the north-west coast of Sabah, Malaysia
• HMS Maori – Royal Navy Tribal class destroyer sunk in Malta
• SS Manasoo – Canadian steamship launched in 1888
• SS Maori – Shoreline historical wreck in Leeugat Bay on the Cape Peninsula west coast
• Marguerite – French ship sunk in Lyme Bay in 1917. Now a dive site
• Maritime Heritage Trail – Battle of Saipan – A group of WWII wrecks in the lagoon at Saipan in the Northern Mariana Islands
• SMS Markgraf – German battleship scuttled in Scapa Flow
• SS Marquette – Wooden-hulled, American Great Lakes freighter
• Marsa Alam – Place in the Red Sea Governorate, Egypt
• Martin's Haven – Bay in Pembrokeshire, Wales, UK,
• SS Mauna Loa – Cargo steam-ship sunk in the bombing of Darwin
• Mayflower – Wooden hulled scow schooner that sank in Lake Superior
• USAT Meigs – United States Army transport ship sunk in Darwin Harbour
• Memba Bay – Bay in Nampula Province, Mozambique
• Mendi – Passenger steamship that sank after a collision south of the Isle of Wight
• MV Mercedes I – Merchant ship built in 1952 in Hamburg, Germany
• Merkanti Reef – Artificial reef at St. Julian's, Malta
• USCGC Mesquite – Seagoing buoy tender scuttled in Lake Superior
• Metamora – Wooden tug wrecked in the Georgian Bay area of Ontario
• Michigan Underwater Preserves – Protected areas of the Great Lakes on Michigan's coast
• SS Midland City – Canadian passenger and cargo vessel on the Great Lakes
• Mikhail Lermontov – Soviet cruise liner wrecked in the Marlborough Sounds, New Zealand
• SS Milwaukee – Great lakes train ferry that foundered in a storm
• USS Mindanao – US Navy Luzon-class internal combustion engine repair ship in service 1943-1947
• Minnedosa – Wooden Great Lakes schooner
• SS Miowera – Passenger and refrigerated cargo liner
• USS Mizpah – United States Navy patrol yacht
• Miztac – Schooner barge sunk in Lake Superior
• SS M.M. Drake – American steam barge that sank in Lake Superior
• USCGC Mohawk – US Coastguard cutter sunk as artificial reef off south-west Florida
• Mohegan – Steamer wrecked off the coast of the Lizard Peninsula, Cornwall
• Molasses Reef – Coral reef located within the Florida Keys National Marine Sanctuary
• RMS Moldavia – British ship sunk in 1918 off Beachy Head, now a dive site
• Molinere Underwater Sculpture Park – Collection of underwater contemporary art off Grenada in the Caribbean
• Molnár János Cave – Water-filled cave in Budapest, Hungary
• Molokini – Islet in Maui County, Hawaii
• SS Monarch – Passenger-package freighter that sank in Lake Superior
• USS Monitor – First ironclad of the US Navy, 1861–1862
• SS Monrovia – French cargo ship
• HMS Montagu – Pre-dreadnought battleship of the British Royal Navy wrecked on Lundy Island
• Mount Storm Lake – Cooling water reservoir in West Virginia, U.S.
• MV RMS Mulheim – German owned container ship wrecked at Land's End, United Kingdom
• USS Muliphen – Andromeda-class attack cargo ship
• SS Myron – Wooden steamship that sank in Lake Superior

• Nagato – Super-dreadnought sunk by nuclear test in Bikini atoll
• Namaqua National Park Marine Protected Area – Marine conservation area in Namaqualand in the Northern Cape, in South Africa
• National Diving and Activity Centre – Flooded quarry in Gloucestershire used as a recreational dive site
• Neptune Islands – Two groups of islands in South Australia
• Nereo Cave – Sea cave in Sardinia, Italy
• USS New York – Second United States Navy armored cruiser so designated
• Niagara (1845 steamboat) – Side-wheel palace steamer sunk in Lake Michigan
• Niagara (tug) – Tugboat which worked in the Great Lakes
• HMCS Nipigon – Annapolis-class destroyer of the Royal Canadian Navy
• Nohoch Nah Chich – Flooded cave system in Mexico
• SS Norman – Shipwreck in Lake Huron, Michigan, United States
• Northerner – Shipwreck in Lake Michigan

• Oceana – Cargo and passenger ship sunk off Beachy Head after a collision
• Octopus Hole – A designated conservation area on the Washington's Hood Canal.
• Octopus Hole Conservation Area – A designated conservation area on the Washington's Hood Canal.
• Ogof Agen Allwedd – Cave in Llangattock, Powys, Wales
• Oite – Kamikaze-class destroyer built for the Imperial Japanese Navy during the 1920s
• SS Onoko – Iron hulled Great Lakes freighter.
• USS Oriskany – Essex class aircraft carrier sunk to create an artificial reef
• Osborne Reef – Artificial reef off Fort Lauderdale, Florida, US
• Oslofjord – Ocean liner sunk after hitting a mine off the River Tyne
• Osprey Reef – Submerged atoll northeast of Queensland, Australia
• Ox Bel Ha – Flooded cave system in Quintana Roo, Mexico
• Ozone – Paddle steamer built in Scotland in 1886

• P29 – Ship scuttled as dive site off Malta
• P31 – Minesweeper/patrol boat scuttled for use as a recreational dive site
• Palancar Reef – Coral reef off Cozumel, Mexico in the Caribbean sea
• Palmwood shipwreck – 17th century shipwreck in the Netherlands
• SS Panay – Passenger vessel built for the Great Western Railway
• Panglao, Bohol – Municipality in Bohol, Philippines
• SS Papoose – Oil tanker built in 1921
• Pearl and Hermes Atoll – Atoll of Hawaii
• Pearse Resurgence – Source of the Pearse Stream on Mt. Arthur, New Zealand South Island
• Pedernales – Lake tanker damaged by a torpedo at Aruba, where part of the ship remains
• Pedra da Risca do Meio Marine State Park – A state park in the state of Ceará, Brazil
• HMS Pelorus (J291) – Algerine-class minesweeper built for the Royal Navy during World War II
• Persier – British ship sunk in Plymouth Sound in 1945. Now a dive site
• HMAS Perth – Guided missile destroyer of the Australian Navy, sunk as a dive site off Western Australia
• Pescador Island – Island in Basdiot barangay, Moalboal, Cebu, the Philippines
• Petit Saint Vincent – Island in St. Vincent and the Grenadines
• SS Pewabic – Package freighter that served ports on the Upper Great Lakes
• Picanninnie Ponds – Recreational dive site in South Australia
• Piccaninnie Ponds Conservation Park – Protected area near Mount Gambier in South Australia
• SAS Pietermaritzburg – Algerine-class minesweeper built for the Royal Navy during World War II
• USS Pilotfish – Balao-class submarine sunk at Bikini atoll
• Piłsudski – Polish passenger ship sunk off the Yorkshire coast
• SS Pioneer – Steam dredging ship
• Pluragrotta – Flooded cave in Norway
• USCGC Point Swift – United States Coast Guard cutter
• Pollatoomary – Flooded cave in Ireland
• Pondoland Marine Protected Area – Marine conservation area in the Eastern Cape province of South Africa
• Pool Fisher – British merchant vessel that sank off the Isle of Wight
• Poor Knights Islands – Group of islands and marine reserve off the east coast of new Zealand's North Island
• Pope's Eye – Uncompleted foundation for an island fort at Port Philip, Victoria, Australia
• Porteau Cove Provincial Park – Place in British Columbia, Canada
• Porth Dafarch – Bay in western Anglesey, Wales
• Port Hughes jetty – Coastal town in South Australia
• SS Port Kembla – A steamer owned by the Commonwealth and Dominion Line
• HMS Port Napier – Royal Navy minelayer destroyed in Loch Alsh, Scotland, by an explosion following an engine room fire
• Port Noarlunga jetty – Recreational dive site in South Australia
• Port Noarlunga Reef – Recreational dive site in South Australia
• Portsea Hole – A depression in the seafloor of Port Phillip near Portsea in Victoria, Australia
• President Coolidge – American ocean liner sunk by mines in the New Hebrides
• Preussen (ship) – German steel-hulled five-masted ship-rigged windjammer sunk in Crab Bay after a collision
• Preußen – German steel-hulled five-masted ship-rigged windjammer sunk in Crab Bay after a collision
• HMS Prince of Wales – 1941 King George V-class battleship of the Royal Navy
• Protea banks – Reef about 7 km off the south coast of KwaZulu-Natal, South Africa
• Protea Banks Marine Protected Area – Marine conservation area in the coastal waters of southern kwaZulu-Natal in South Africa
• Puerto Galera – Municipality in Oriental Mindoro, Philippines
• Punta Cana – Resort town in La Altagracia Province, Dominican Republic
• USS Puritan – Passenger ship that sank in Lake Superior

• PS Queen Victoria – Paddle steamer wrecked off the Baily Lighthouse, Ireland

• Radaas – Ship sunk in 1917 near Portland Bill, now a dive site
• Rainbow Warrior – Greenpeace vessel bombed by French intelligence service operatives in Auckland harbour, refloated and scuttled as a dive site
• USS Rankin – US Navy Tolland-class attack cargo ship in service 1945-1947, 1952-1971
• Rapid Bay jetty – Recreational dive site in South Australia
• Ras Muhammad National Park – Egyptian national park in South Sinai
• Red Sea – Arm of the Indian Ocean between Asia and Africa
• SS Regina – Steel ship that foundered in Lake Huron in a storm
• HMS Repulse – 1916 Renown-class battlecruiser of the Royal Navy
• RMS Rhone – Royal Mail Ship wrecked off Salt Island in the British Virgin Islands in a hurricane
• Richelieu Rock – Dive site in Thailand in the Andaman Sea
• Risør Underwater Post Office – Norway tourist attraction
• Riva Palacio – Admirable-class minesweeper built for the United States Navy
• Robben Island Marine Protected Area – Marine conservation area in South Africa
• Robberg Nature Reserve and Marine Protected Area – Conservation area at the Robberg peninsula in South Africa
• Robert C. Pringle – Wooden-hulled American tugboat that sank in Lake Michigan
• Robert Gaskin – Shipwreck in the St. Lawrence river
• SS Robert Wallace – Wooden steamship wrecked in Lake Superior in 1902
• Rocherpan Marine Protected Area – Marine conservation area on the west coast of the Western Cape in South Africa
• USS Rochester – Second United States Navy armored cruiser so designated
• Rondo – Ship sunk in Sound of Mull in 1935, now a recreational dive site
• Rosehill – Steam collier torpedoed and sunk near Fowey, Cornwall
• Rosinco – Diesel-powered luxury yacht that sank in Lake Michigan
• SS Rotorua – New Zealand Shipping Company steam ocean liner and refrigerated cargo ship
• Rouse Simmons – Three-masted schooner sunk in Lake Michigan
• Roy A. Jodrey – Canadian bulk carrier sunk in the St Lawrence river
• Royal Adelaide – Iron sailing ship wrecked on Chesil Beach
• Royal Charter – Steam clipper wrecked off Porth Alerth on the coast of Anglesey
• Rozi – Tugboat scuttled as a dive site off Malta
• Rum Jungle Lake – Flooded open cast mine near Darwin, Australia

• Safaga – Town on the Red Sea coast of Egypt
• Sagamore (barge) – Whaleback barge wrecked in Lake Superior
• HMS Safari – Royal Navy S-class submarine sunk in the English Channel while on tow to shipbreakers
• HMCS Saguenay – Destroyer of the Royal Canadian Navy
• USS Sailfish – Sargo-class submarine of the US Navy
• Sakawa – Agano-class light cruiser
• Salem Express – Car and passenger ferry wrecked off the Egyptian coast
• USS Salvia – Iris-class buoy tender
• SS Samuem Mather – U.S. merchant ship that sank in Lake Superior
• Samuel P. Ely – Schooner wrecked in Lake Superior
• San Andrés (island) – One of the two principal islands of San Andrés and Providencia, Colombia
• Sanko Harvest – Bulk carrier that sank off Esperance, Western Australia
• San Pedro Nolasco Island – Mexican island in the Gulf of California
• USS Saratoga – US Navy aircraft carrier sunk by nuclear weapon testing at Bikini atoll
• Sardinia Bay Marine Protected Area – Marine conservation area in the Eastern Cape in South Africa
• HMCS Saskatchewan – Mackenzie-class destroyer of the Royal Canadian Navy
• Sardine run – Annual fish migration off the shores of South Africa
• Scapa Flow – Body of water in the Orkney Islands, Scotland
• SS S.C. Baldwin – Wooden-hulled steam barge sunk in Lake Michigan
• USS Scrimmage – Admirable-class minesweeper built for the United States Navy
• USS Scuffle – Admirable class minesweeper sunk as an artificial reef off Cozumel
• HMS Scylla – Royal Navy frigate sunk as artificial reef off Whitsand Bay, Cornwall
• MS Seattle – German cargo ship sunk in 1940
• Second Valley – Coastal town in South Australia
• SS Selah Chamberlain – Great Lakes freighter that sank on Lake Michigan in 1886
• Seven Stones Reef – Rocky reef offshore of Land's End, Cornwall
• Shaʽb Abu Nuħas – Coral reef in the Red Sea
• Shadwan Island – Egyptian island in the Red Sea
• The Shaft (sinkhole) – Karst feature in South Australia
• Shark River Reef – Artificial reef off New Jersey
• Ship cemetery at Ekenabben – Place in Blekinge, Sweden
• List of shipwrecks of the United States
• HMS Sidon – Royal Navy submarine sunk in Portland Harbour by explosion of a faulty torpedo
• Silfra – Water-filled rift in Iceland between the North American and Eurasian tectonic plates
• Similan Islands – Marine protected area in Phang Nga Province, southern Thailand
• Sipadan – Oceanic island in Malaysia
• SS Sir William Seimens – American lake freighter (1896–1944)
• Slickstones Quarry, Cromhall – Quarry in Gloucestershire
• Socorro Island – Small volcanic island off the west coast of Mexico
• Sodwana Bay – A National Park with marine protected area on the northern KwaZulu-Natal coast of South Africa
• Soma Bay – Coastal resort in the Red Sea Governorate, Egypt
• Sound of Mull – Sound between the Inner Hebridean island of Mull and mainland Scotland
• South Channel Fort – Island in southern Port Phillip, Victoria, Australia
• USCGC Spar – Iris class sea going buoy tender
• USS Spiegel Grove – US Navy dock landing ship sunk off Key Largo as an artificial reef
• St Abbs – Village in Berwickshire, Scotland, UK
• St. Crispin's Reef – An elongate outer-shelf coral reef in the Great Barrier Reef, Queensland, Australia
• Stanegarth – Steam tugboat scuttled as a dive feature at Stoney Cove
• Stanwood – British ship sunk off Falmouth in 1939, now a recreational dive site
• Stella – Passenger ferry wrecked off the Casquets
• SS Stepas Darius – Liberty ship built in the United States during World War II
• Stilbaai Marine Protected Area – Marine conservation area in the Western Cape in South Africa
• HMS St Lawrence (1814) – First-rate wooden warship of the Royal Navy that served on Lake Ontario
• Stoney Cove – Flooded quarry in Leicestershire used for scuba diving
• Subic Bay – Bay on the west coast of the island of Luzon, Philippines
• Sund Rock – A designated conservation area on the U.S. state of Washington's Hood Canal
• SS Superior City – Freighter in the Great Lakes service that sank in Lake Superior
• HMS Swallow (1824) – Brig-sloop shippwreck in South Australia
• HMAS Swan – Australian "River" class destroyer sunk as a dive site off the coast of Dunsborough, Western Australia
• Swanage Pier – Pier in Swanage, Dorset, United Kingdom
• Sweepstakes (schooner) – Canadian Great Lakes ship sunk in 1885

• Taba, Egypt – City in the gulf of Aqaba in South Sinai, Egypt
• Table Mountain National Park Marine Protected Area – Marine conservation area around the Cape Peninsula in South Africa
• Taganga – Fishing village and corregimiento in Magdalena, Colombia
• SS Tahoe – Steamship scuttled in Lake Tahoe
• USCGC Tamaroa – Coast guard cutter
• USS Tarpon – US Navy Submarine which foundered south of Cape Hatteras, North Carolina, while under tow to the scrap yard.
• Texas Clipper – Merchant marine training vessel with the Texas Maritime Academy
• HMS Thames (1885) – Mersey class cruiser
• Thesis – Steamship wrecked in 1889 in the Sound of Mull, Scotland. Now a recreational dive site.
• Thistlegorm – British armed merchantman sunk in the Red Sea at Ras Muhammad
• Thomas Friant – Wooden-hulled ferry (later fish tug)
• Thomas Wilson – Whaleback freighter that sank in Lake Superior
• Thunder Bay National Marine Sanctuary – Aquatic protected area in Michigan, USA
• Thunderbolt Wreck – Mine planter of The US Army
• Toa Maru – Japanese transport ship sunk by a submarine off Gizo, Solomon Islands
• HMAS Tobruk (L 50) – Modified Round Table-class Landing Ship Heavy of the Royal Australian Navy
• Tokai Maru – Japanese passenger-cargo ship sunk in Apra Harbor, Guam
• Torrey Canyon – Suezmax Class oil tanker wrecked off the western coast of Cornwall
• SAS Transvaal – Loch-class frigate in the South African Navy
• MV Treasure – June 2000 environmental disaster off the coast of South Africa
• Tsitsikamma Marine Protected Area – Marine conservation area on the south coast of South Africa
• Tubbataha Reef – Protected area in the middle of the Sulu Sea
• HMNZS Tui – Conrad class oceanographic ship
• Tulagi – Small island in Solomon Islands, north of Guadalcanal
• Tulamben – Village in Karangasem, Bali Province, Indonesia
• Tung Ping Chau – Island in Hong Kong

• U-40 – German submarine sunk by a mine in the English Channel
• U-352 – German submarine sunk by depth charges south of Morehead City, North Carolina
• U-1195 – German submarine sunk by antisubmarine mortar to the southeast of the Isle of Wight
• Um El Faroud – Libyan owned tanker scuttled as dive site off Malta
• Utila – Smallest of Islas de la Bahía, Honduras

• Varvassi – Greek freighter wrecked at The Needles in a storm after engine failure
• USS Vermilion – Tolland-class attack cargo ship
• SS Vernon – American passenger and package freighter ship sunk in Lake Michigan
• Ve Skerries – Small islands in the west of Shetland
• SS Vienna – Steamship sunk after a collision in Lake Superior
• Vortex Spring – Freshwater spring and recreational dive site in Florida

• HMNZS Waikato – Leander class frigate of the Royal New Zealand Navy
• Wakatobi Regency – Group of islands in Southeast Sulawesi, Indonesia
• Wakulla Springs – Spring and cave in the Floridan Aquifer under the Woodville Karst Plain of north Florida
• Walker Bay Whale Sanctuary – Marine conservation area in the Western Cape province in South Africa
• Walter L M Russ – German freighter wrecked in St George's Channel
• Wardang Island – Island in the Spencer Gulf, South Australia
• Washingtonian (1913) – American freighter that sank off Delaware after a collision
• Wast Water – Body of water in Cumbria, England
• TSS Waterford – Passenger vessel built for the Great Western Railway
• Wazee Lake – Artificial lake of Wisconsin, US
• Weh Island – Island in Aceh, Indonesia
• HMNZS Wellington – Leander class frigate sunk as artificial reef off Wellington, New Zealand
• USS Westchester County – US Navy tank landing ship built in 1952
• Western Rocks, Isles of Scilly – Group of rocks in the Isles of Scilly, England, United Kingdom
• SS Wexford – Freighter shipwreck and dive site in lake Huron
• Whitefish Point Underwater Preserve – Reserve to protect and conserve shipwrecks and historical resources in Lake Superior
• Whittle Rock – Granite reef in False Bay, South Africa
• Whittle Rock reef – Granite offshore reef area in False Bay, South Africa
• Whyalla – City in South Australia
• USS Wilkes-Barre – Cleveland-class light cruiser
• SS William B. Davock – Lake freighter sunk in Lake Michigan
• SS William C. Moreland – Great Lakes freighter wrecked in Lake Superior
• Wolf Rock – Marine pinnacles in Queensland, Australia
• Wondergat – Sinkhole dive site near Lichtenburg, South Africa
• Wreck Alley, San Diego – Recreational dive area with several wrecks sunk as artificial reefs

• USS Yancey – Andromeda-class attack cargo ship sunk as an artificial reef off North Carolina
• YO-257 – US Navy yard oiler scuttled off Waikiki, Honolulu, Hawaii
• Yongala – Australian registered passenger ship that sank off Cape Bowling Green, Queensland, Australia
• HMCS Yukon – Mackenzie-class destroyer of the Royal Canadian Navy

• Zacatón – Water-filled sinkhole in Mexico
• Zenobia – RO-RO ferry that capsized and sank near Larnaca, Cyprus
• Zealandia – Australian cargo and passenger steamship sunk in the bombing of Darwin
• Zingara – Cargo vessel wrecked in the Straits of Tiran in the Red Sea

• Glossary of underwater diving terminology

Wikivoyage has a travel guide for Scuba diving.