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141 sites match.
| Site | Destination | Type | Depth | Level | Current | Best | |
|---|---|---|---|---|---|---|---|
| Aeolus Steel canyons full of sand tigers, open broken-wreck structure… | North Carolina Outer BanksUnited States | Wreck | 24–34 m | Advanced | Moderate | Jun–Sep | |
| Aida A deep, coral-sheathed hull on a dramatic slope; pairing with the… | Brothers, Daedalus & St John'sEgypt | Wreck | 30–60 m | Advanced | Moderate | May, Jun, Jul, Sep, Oct, Nov | |
| Akitsushima Genuine warship history, the seaplane crane, atmospheric side-lying… | CoronPhilippines | Wreck | 20–38 m | Advanced | Mild | Nov–Apr | |
| Angarosh Silvertip encounters; hammerhead schools off the deep plateau; a reef… | Port Sudan & SanganebSudan | Pinnacle | 10–45 m | Advanced | Strong | Feb, Mar, Apr, May, Nov | |
| Avatoru Pass Close silvertip shark passes; a fast, clean drift; alternation with… | RangiroaFrench Polynesia | Channel | 10–35 m | Advanced | Strong | Nov–Apr | |
| Bajo Alcyone The archetypal hammerhead cleaning station, marbled rays, blue-water… | Cocos IslandCosta Rica | Seamount | 25–40 m | Advanced | Strong | Jun–Nov | |
| Barracuda Point The barracuda tornado, shark traffic in numbers, dawn bumphead parades | Sipadan & MabulMalaysia | Wall | 5–40 m | Advanced | Strong | Apr–Aug | |
| Batu Bolong Wall-to-wall fish in the lee; hunting tuna and trevally at the… | KomodoIndonesia | Pinnacle | 3–40 m | Advanced | Extreme | Apr–Nov | |
| Bianca C Cruise liner scale, the famous pool deck, eagle rays in the blue | GrenadaGrenada | Wreck | 28–50 m | Advanced | Moderate | — | |
| Big Brother Dawn thresher encounters; fall oceanic whitetips beneath the boats… | Brothers, Daedalus & St John'sEgypt | Wall | 5–40 m | Advanced | Strong | May, Jun, Jul, Sep, Oct, Nov | |
| Black Rock Oceanic mantas at close quarters, marbled rays stacked in the ledges… | Mergui ArchipelagoMyanmar | Pinnacle | 5–40 m | Advanced | Moderate | Dec–Apr | |
| Blue Magic Oceanic mantas at cleaning stations; wobbegongs on the summit… | Raja AmpatIndonesia | Pinnacle | 7–30 m | Advanced | Strong | Oct–Apr | |
| C-58 General Anaya Winter eagle-ray squadrons, broken-hull swim-bys, big morays, honest… | Isla Mujeres & CancúnMexico | Wreck | 18–26 m | Advanced | Strong | Dec–Mar | |
| Cabo Pearce Manta stack-ups over the ridge, engaged dolphins, whale song in season | Socorro & the RevillagigedosMexico | Reef | 10–40 m | Advanced | Moderate | — | |
| Cara a Cara Sustained close encounters with Caribbean reef sharks, clear… | RoatánHonduras | Reef | 18–21 m | Advanced | Mild | Feb–Aug | |
| Carall Bernat Barracuda wheels, red gorgonian forests below 15 m, big-fish energy | Medes IslandsSpain | Pinnacle | 5–40 m | Advanced | Moderate | Jun–Oct | |
| Caribsea Sand tigers by the dozen, dense baitfish clouds, a moving chapter of… | North Carolina Outer BanksUnited States | Wreck | 25–27 m | Advanced | Moderate | Jun–Sep | |
| Castle Rock Sharks hunting fusilier schools; reef-hook front seats at the current… | KomodoIndonesia | Seamount | 4–30 m | Advanced | Strong | Apr–Nov | |
| Cave of the Sleeping Sharks A landmark of shark-behavior history, cavern ledges, possible resting… | Isla Mujeres & CancúnMexico | Reef | 15–21 m | Advanced | Moderate | Dec–Apr | |
| Cenote Angelita The false lake of hydrogen sulfide, drowned trees in the mist… | Riviera Maya & the CenotesMexico | Cenote | 5–40 m | Advanced | None | Nov–May | |
| Cocoa Thila Dense snapper walls; patrolling sharks; a thila long enough to absorb… | North & South Malé AtollsMaldives | Pinnacle | 10–30 m | Advanced | Strong | Dec–Apr | |
| Coconut Point (Apo Island) Trevally barrels in ripping current, turtles indifferent to the flow… | Dumaguete, Dauin & Apo IslandPhilippines | Drift | 5–30 m | Advanced | Strong | Mar–Jun | |
| Crystal Bay Seasonal ocean sunfish at cleaning stations; cold, clear upwelling… | Bali & Nusa PenidaIndonesia | Reef | 5–30 m | Advanced | Strong | Jul–Oct | |
| Crystal Rock Vividly clear water in season; soft-coral faces; tuna and sharks on… | KomodoIndonesia | Seamount | 2–30 m | Advanced | Strong | Apr–Nov | |
| Daedalus Reef Schooling scalloped hammerheads in early summer; Anemone City; the… | Brothers, Daedalus & St John'sEgypt | Wall | 5–40 m | Advanced | Strong | May–Oct | |
| Darwin's Arch (Darwin's Pillars) Whale sharks June-November, walls of hammerheads, Galapagos sharks at… | Galápagos IslandsEcuador | Reef | 6–30 m | Advanced | Strong | Jun–Nov | |
| Delsan Wreck Barracuda and jack tornadoes, shark traffic on the corner, big-animal… | Tubbataha ReefsPhilippines | Wall | 5–40 m | Advanced | Strong | Mar–Jun | |
| Dirty Rock Jack schools that block the sun, hammerhead crossings, marbled rays… | Cocos IslandCosta Rica | Pinnacle | 12–35 m | Advanced | Strong | — | |
| Djabeda Whole-ship silhouette in clear water; eagle rays and barracuda… | MauritiusMauritius | Wreck | 22–34 m | Advanced | Moderate | Mar, Apr, Oct, Nov, Dec | |
| Dos Amigos Grande The 20 m archway, hammerheads on the outside edge, marbled rays in… | Cocos IslandCosta Rica | Pinnacle | 15–35 m | Advanced | Strong | — | |
| Doña Marilyn A large, coral-carpeted ferry hull, rich fish life, sobering history… | MalapascuaPhilippines | Wreck | 18–33 m | Advanced | Moderate | Mar–Jun | |
| East London & the Southern Start First action of the season; city logistics on a wilderness event | The Sardine Run (Wild Coast)South Africa | Blue water | 0–25 m | Advanced | Strong | May–Jun | |
| El Acuario (The Aquarium) Overwhelming fish density, whitetips stacked in trenches, sharks in… | MalpeloColombia | Reef | 10–35 m | Advanced | Moderate | — | |
| El Aguila Three-piece broken hull, oversized green morays and groupers… | RoatánHonduras | Wreck | 20–33 m | Advanced | Mild | Mar–Aug | |
| El Arrecife Silky aggregations in season, reforming hammerhead schools, action… | MalpeloColombia | Reef | 12–40 m | Advanced | Strong | — | |
| El Bajo Seamount Mobula flights over the ridges, pelagic traffic, the gulf's most… | Sea of Cortez & Cabo PulmoMexico | Seamount | 18–40 m | Advanced | Moderate | Aug–Nov | |
| El Bajon Twin towers in blue water, large groupers, summer pelagic fly-bys | Canary IslandsSpain | Pinnacle | 8–40 m | Advanced | Moderate | Jun–Nov | |
| El Canon (The Canyon) Hammerhead schools over the cut, layered shark traffic, occasional… | Socorro & the RevillagigedosMexico | Reef | 15–40 m | Advanced | Moderate | — | |
| El Frio (Ultrafreeze) Big groupers on an old freezer ship, cool offshore atmosphere… | Isla Mujeres & CancúnMexico | Wreck | 25–30 m | Advanced | Moderate | Dec–Apr | |
| Elephant Head Rock The archipelago's best swim-through maze, light-shafted granite… | Similan Islands & Richelieu RockThailand | Reef | 8–40 m | Advanced | Strong | Dec–Apr | |
| Elphinstone Reef Oceanic whitetips in fall; sheer soft-coral walls; the exposed north… | Marsa Alam & the Deep SouthEgypt | Wall | 12–40 m | Advanced | Strong | Mar, Apr, May, Oct, Nov, Dec | |
| Ennerdale Wreck Moray-dense broken tanker; grouper and rays around 30-meter sand | SeychellesSeychelles | Wreck | 18–30 m | Advanced | Mild | Mar, Apr, May, Oct, Nov | |
| Farnsworth Bank Purple hydrocoral gardens, open-water pelagic chances, Catalina's… | California Channel IslandsUnited States | Seamount | 18–40 m | Advanced | Moderate | — | |
| Fish Head Patrolling gray reef sharks; fearless Napoleon wrasse; fish density… | Ari AtollMaldives | Pinnacle | 10–30 m | Advanced | Moderate | Dec–Apr | |
| Formigas Islets & Dollabarat Reef Exceptional visibility, big groupers, pelagic surprises at a rarely… | The AzoresPortugal | Pinnacle | 6–40 m | Advanced | Moderate | Jul–Sep | |
| Garuae Pass Shark-covered terraces on a huge tide; big pelagics in the entry… | FakaravaFrench Polynesia | Channel | 15–40 m | Advanced | Strong | May–Oct | |
| Georg Thiele April 1940 battle history, wreckage on a dramatic fjord slope… | Arctic NorwayNorway | Wreck | — | Advanced | Mild | May–Sep | |
| Giant's Castle Smalleye stingray territory; deep-passage mantas; humpback song in… | Tofo BeachMozambique | Reef | 21–33 m | Advanced | Moderate | May–Nov | |
| Gili Tepekong The boulder Canyon; stacked whitetip sharks; cold-water mola… | Bali & Nusa PenidaIndonesia | Reef | 8–30 m | Advanced | Strong | Jul–Oct | |
| Gladden Spit Whale sharks feeding on snapper spawn, massed spawning aggregations… | Belize Barrier ReefBelize | Blue water | 10–30 m | Advanced | Moderate | Mar–Jun | |
| Gordon Rocks Hammerheads on a day trip, eagle rays stacked in current, sea lion… | Galápagos IslandsEcuador | Pinnacle | 12–32 m | Advanced | Strong | — | |
| Great Blue Hole Swimming through 40 m stalactites, reef sharks in the bowl, one of… | Belize Barrier ReefBelize | Blue hole | 10–124 m | Advanced | None | Mar–Jun | |
| Great White Wall The white soft-coral face at full feed; the tunnel entry; blue-water… | Taveuni & Rainbow ReefFiji | Wall | 10–35 m | Advanced | Moderate | May–Oct | |
| Guraidhoo Kandu Hooked-in shark watching; a fast, clean drift into the lagoon | North & South Malé AtollsMaldives | Channel | 10–30 m | Advanced | Strong | Dec–Apr | |
| HP Reef Soft-coral-lined chimneys and caves; sharks and rays riding channel… | North & South Malé AtollsMaldives | Pinnacle | 8–30 m | Advanced | Strong | Dec–Apr | |
| Habili Ali Giant gorgonians and black coral; sharks on the up-current face; a… | Brothers, Daedalus & St John'sEgypt | Pinnacle | 8–40 m | Advanced | Strong | Apr, May, Jun, Sep, Oct | |
| Halliburton Compact upright wreck, textbook deep and wreck training profiles… | UtilaHonduras | Wreck | 18–30 m | Advanced | Mild | Mar, Apr, May, Aug, Sep | |
| Hammerhead Point (Rasdhoo Madivaru) Dawn blue-water hangs for scalloped hammerheads; wall traffic on the… | Ari AtollMaldives | Blue water | 15–30 m | Advanced | Moderate | Dec–Apr | |
| Hannibal Bank Seasonal whale sharks, hammerheads below the thermocline, big-fish… | CoibaPanama | Seamount | 18–40 m | Advanced | Strong | Dec–Apr | |
| Hilma Hooker Full-size freighter on its side, tarpon under the hull, double-reef… | BonaireBonaire | Wreck | 18–30 m | Advanced | Mild | — | |
| Irako Coron's most intact major wreck, famed engine-room penetration for… | CoronPhilippines | Wreck | 28–45 m | Advanced | Mild | Nov–Apr | |
| Irizaki Schooling scalloped hammerheads, pure blue-water drift diving… | YonaguniJapan | Blue water | 15–40 m | Advanced | Strong | Dec–Mar | |
| Iro Maru The coral-clad bow gun; kingposts silhouetted overhead; big morays… | PalauPalau | Wreck | 12–40 m | Advanced | Mild | — | |
| Kal's Dream Dogtooth tuna at close range; shark traffic in ripping current; the… | AlorIndonesia | Pinnacle | 8–40 m | Advanced | Extreme | Apr, May, Jun, Sep, Oct, Nov | |
| Kandooma Thila Shark and eagle-ray action at the up-current point; healthy ledges… | North & South Malé AtollsMaldives | Pinnacle | 12–30 m | Advanced | Strong | Dec–Apr | |
| Kimud Shoal Schooling scalloped hammerheads in season, backup thresher… | MalapascuaPhilippines | Seamount | 12–40 m | Advanced | Moderate | Dec–Apr | |
| Koh Tachai Pinnacle Trevally tornadoes in ripping flow, manta and whale-shark transits… | Similan Islands & Richelieu RockThailand | Pinnacle | 12–36 m | Advanced | Extreme | Dec–Apr | |
| Kona Blackwater Drift The nightly vertical migration in open ocean; creatures from larval… | Kona, HawaiʻiUnited States | Blue water | 10–18 m | Advanced | Mild | — | |
| Kudarah Thila The yellow wall of bluestripe snapper; gorgonian swim-through; dense… | Ari AtollMaldives | Pinnacle | 12–30 m | Advanced | Moderate | Dec–Apr | |
| L'Abym True vertical wall off a village shoreline, black coral and sponge… | DominicaDominica | Wall | 10–40 m | Advanced | Mild | — | |
| La Nevera (The Fridge) Hammerheads at the cleaning stations, thermocline shark pulses… | MalpeloColombia | Pinnacle | 15–40 m | Advanced | Strong | — | |
| Leven Bank Dogtooth tuna and trevally in current; a proper open-ocean bank dive | Zanzibar & MnembaTanzania | Seamount | 12–40 m | Advanced | Strong | Jan, Feb, Jul, Aug, Sep, Oct, Dec | |
| Little Brother The gorgonian forest on the north point; threshers and whitetips in… | Brothers, Daedalus & St John'sEgypt | Wall | 5–40 m | Advanced | Strong | May, Jun, Jul, Sep, Oct, Nov | |
| MV Produce Resident giant grouper (brindle bass); fish-packed broken holds | Aliwal Shoal & UmkomaasSouth Africa | Wreck | 15–32 m | Advanced | Moderate | Apr–Sep | |
| Magic Mountain Reef and oceanic mantas sharing cleaning stations; sharks and tuna on… | Raja AmpatIndonesia | Seamount | 6–30 m | Advanced | Strong | Oct–Apr | |
| Maldive Victory Upright, intact hull; fish-swarmed superstructure; a genuine… | North & South Malé AtollsMaldives | Wreck | 12–35 m | Advanced | Strong | Dec–Apr | |
| Manta Reef Historic manta cleaning stations visited by both manta species | Tofo BeachMozambique | Reef | 16–30 m | Advanced | Moderate | May–Nov | |
| Manza Dream Hole Chimney descent through sweeper curtains, blue exit window, clean… | Okinawa & the Kerama IslandsJapan | Cave | 5–26 m | Advanced | Mild | Apr, May, Jun, Oct, Nov | |
| Mbotyi & Waterfall Bluff Low-traffic staging with the Waterfall Bluff backdrop; one-boat bait… | The Sardine Run (Wild Coast)South Africa | Blue water | 0–25 m | Advanced | Strong | Jun–Jul | |
| Mikomoto Island Hammerhead schools within sight of Honshu, energetic Kuroshio drifts… | Izu PeninsulaJapan | Reef | 12–40 m | Advanced | Strong | Jun–Nov | |
| Molokini Back Wall A sheer 60-meter-plus face in open ocean; whale song through the… | Maui & MolokiniUnited States | Wall | 10–40 m | Advanced | Moderate | — | |
| Nippo Maru The deck tank; the standing bridge telegraph and helm; artillery… | Chuuk (Truk) LagoonFederated States of Micronesia | Wreck | 28–48 m | Advanced | Mild | Dec–Apr | |
| Northern Arch Stingray squadrons in summer, sheer walls through the headland… | Poor Knights IslandsNew Zealand | Wall | 8–40 m | Advanced | Moderate | Jan–May | |
| Numidia Locomotive wheels at the crest; soft coral on century-old steel… | Brothers, Daedalus & St John'sEgypt | Wreck | 8–40 m | Advanced | Strong | May, Jun, Jul, Sep, Oct, Nov | |
| Odyssey One of the western Caribbean's larger intentional wrecks, hold and… | RoatánHonduras | Wreck | 18–34 m | Advanced | Mild | Mar–Aug | |
| P29 Upright warship silhouette, mast ascent, easy pairing with Cirkewwa's… | Malta & GozoMalta | Wreck | 15–37 m | Advanced | Mild | May–Oct | |
| Passe St Jacques Fast incoming-tide drift; eagle rays and jack schools riding the pass | MauritiusMauritius | Channel | 12–30 m | Advanced | Strong | Mar, Apr, Oct, Nov, Dec | |
| Playa del Carmen Bull Shark Dive Close passes from mature bull sharks, seasonal aggregation, minutes… | Riviera Maya & the CenotesMexico | Drift | 20–25 m | Advanced | Moderate | Nov–Feb | |
| Port St Johns Grounds The highest-probability staging area for full bait-ball events | The Sardine Run (Wild Coast)South Africa | Blue water | 0–25 m | Advanced | Strong | Jun–Jul | |
| Princess Alice Bank Summer devil-ray carousels, blue-water descents, schooling jacks over… | The AzoresPortugal | Seamount | 35–40 m | Advanced | Moderate | Jul–Sep | |
| Prinz Eugen An essentially complete WWII heavy cruiser; torpedo tubes and… | Bikini AtollMarshall Islands | Wreck | 0–35 m | Advanced | Mild | — | |
| Proteus Century-old steamer bones in blue water, sand tigers over the… | North Carolina Outer BanksUnited States | Wreck | 33–38 m | Advanced | Moderate | Jun–Sep | |
| Punta Maria Marbled rays en masse, processional hammerheads, a wilder and… | Cocos IslandCosta Rica | Seamount | 22–40 m | Advanced | Strong | — | |
| Punta Sur — Devil's Throat The tunnel exit at 40 m, cathedral-like passages, black coral… | CozumelMexico | Wall | 15–40 m | Advanced | Moderate | Dec–May | |
| Punta Tosca Tiger and dolphin wildcards, mantas rounding the point, humpback… | Socorro & the RevillagigedosMexico | Reef | 10–35 m | Advanced | Moderate | — | |
| Richelieu Rock Purple soft-coral pinnacle, seasonal whale sharks, world-class macro… | Similan Islands & Richelieu RockThailand | Pinnacle | 2–35 m | Advanced | Strong | Dec–Apr | |
| Roca Partida Whitetips shelved in the ledges, everything-at-once pelagic traffic… | Socorro & the RevillagigedosMexico | Pinnacle | 5–40 m | Advanced | Strong | — | |
| Rosalie Moller Intact deck furniture and fittings; the atmospheric gloom of a deep… | Hurghada & El GounaEgypt | Wreck | 20–50 m | Advanced | Moderate | May, Jun, Jul, Sep, Oct | |
| SMS Brummer Raider history, elegant cruiser bow, a visible lesson in how wrecks… | Scapa FlowUnited Kingdom | Wreck | 20–36 m | Advanced | Mild | Apr–Sep | |
| SMS Coln Near-complete WWI cruiser, bow-to-stern swim, deck fittings still in… | Scapa FlowUnited Kingdom | Wreck | 20–36 m | Advanced | Mild | Apr–Sep | |
| SMS Kronprinz Wilhelm Main-battery turrets visible at the seabed, manageable battleship… | Scapa FlowUnited Kingdom | Wreck | 20–38 m | Advanced | Mild | Apr–Sep | |
| SS Nebo An 1884 steamer resting upside down; superb nudibranch searching over… | Aliwal Shoal & UmkomaasSouth Africa | Wreck | 18–27 m | Advanced | Moderate | Apr–Sep | |
| SS President Coolidge The Lady at depth; cargo holds full of 1942; a shore-entry giant that… | Espiritu SantoVanuatu | Wreck | 20–65 m | Advanced | Mild | May–Oct | |
| SS Yongala Extraordinary fish density, giant Queensland grouper, marble rays, a… | Townsville & the YongalaAustralia | Wreck | 16–30 m | Advanced | Strong | Aug–Nov | |
| Saltstraumen World-class current-fed walls, wolffish encounters, winter visibility… | Arctic NorwayNorway | Channel | 5–30 m | Advanced | Extreme | Oct–Mar | |
| Sanganeb North Point Dawn hammerhead schools; the lighthouse climb; atoll walls in… | Port Sudan & SanganebSudan | Wall | 10–40 m | Advanced | Strong | Nov–May | |
| Sha'ab Rumi South Plateau Grey reef sharks in classic numbers; hammerheads off the drop in… | Port Sudan & SanganebSudan | Reef | 10–40 m | Advanced | Moderate | Nov–May | |
| Shakem Upright intact freighter, cement cargo still in the holds, easy… | GrenadaGrenada | Wreck | 22–32 m | Advanced | Mild | — | |
| Shark Bank Huge marbled rays; permanent snapper and trevally walls over granite | SeychellesSeychelles | Pinnacle | 14–30 m | Advanced | Moderate | Mar, Apr, May, Oct, Nov | |
| Shark Close Grey reef sharks at close quarters; cool, fish-rich strait water… | AlorIndonesia | Reef | 10–40 m | Advanced | Strong | Apr, May, Jun, Sep, Oct, Nov | |
| Sherwood Forest Green tree coral groves; slow-lane macro at depth with big-ray flybys | Tofo BeachMozambique | Reef | 24–32 m | Advanced | Moderate | May–Nov | |
| Shotgun The ride through the funnel; mantas feeding in the stream; garden-eel… | KomodoIndonesia | Channel | 5–25 m | Advanced | Strong | Apr–Nov | |
| Silvertip Bank (Burma Banks) Silvertip encounters with honest odds, oceanic-plateau atmosphere… | Mergui ArchipelagoMyanmar | Seamount | 15–40 m | Advanced | Strong | Jan–Apr | |
| Skjervoy Orca Grounds Carousel-feeding orcas, lunge-feeding humpbacks, polar-night light —… | Arctic NorwayNorway | Blue water | 0–5 m | Advanced | Mild | Nov–Jan | |
| Skookumchuck Narrows (Sechelt Rapids) The densest anemone carpet in the province, current-window precision… | British ColumbiaCanada | Channel | 10–25 m | Advanced | Extreme | Oct–Mar | |
| South Point Hammerhead lottery in the blue, deep wall atmosphere, turtles and… | Sipadan & MabulMalaysia | Wall | 8–40 m | Advanced | Moderate | Apr–Aug | |
| Strytan A living hydrothermal chimney, shimmering vent water, wolffish and… | Silfra & IcelandIceland | Pinnacle | 15–40 m | Advanced | Moderate | May–Sep | |
| Submerged Rock The swim-through, dense whitetips, rays orbiting a tower of rock | Cocos IslandCosta Rica | Pinnacle | 10–30 m | Advanced | Moderate | — | |
| Sunken Island Blue-water seamount descent, schooling pelagics over the crown… | MoalboalPhilippines | Seamount | 14–40 m | Advanced | Strong | Dec–May | |
| Superior Producer Upright intact freighter, cup-coral bloom on night dives, tarpon in… | CuraçaoCuraçao | Wreck | 20–33 m | Advanced | Moderate | — | |
| The Bait Ball The full predation event — dolphins, sharks, gannets, and whales on… | The Sardine Run (Wild Coast)South Africa | Blue water | 0–20 m | Advanced | Moderate | Jun–Jul | |
| The Big Scare (Bat Islands) Unbaited bull sharks at depth, disciplined small-group protocol, wild… | Costa Rica Pacific CoastCosta Rica | Pinnacle | 18–30 m | Advanced | Moderate | May–Nov | |
| The Boiler Giant mantas at point-blank range, dolphin visits, whale song through… | Socorro & the RevillagigedosMexico | Pinnacle | 5–40 m | Advanced | Moderate | Nov–May | |
| The Cathedral Light beams inside the cavern; lobster-packed crevices; sculpted wall… | MauritiusMauritius | Wall | 15–30 m | Advanced | Mild | Mar, Apr, Oct, Nov, Dec | |
| The Elbow (Turneffe Atoll) Eagle-ray squadrons, massed snapper and jacks, big-water drift at the… | Belize Barrier ReefBelize | Drift | 15–40 m | Advanced | Strong | Mar–Jun | |
| The Passage River-style drift beneath jungle walls; mangrove-and-soft-coral… | Raja AmpatIndonesia | Channel | 3–18 m | Advanced | Strong | Oct–Apr | |
| The Pit Light beams down a huge shaft, the sulfide cloud at 30 m, silhouettes… | Riviera Maya & the CenotesMexico | Cenote | 10–40 m | Advanced | None | Apr–Aug | |
| Theo's Wreck Intact hull on its side at the drop-off edge, resident groupers and… | Tiger Beach & Grand BahamaThe Bahamas | Wreck | 12–33 m | Advanced | Mild | — | |
| Thomas Reef Soft-coral terraces at their densest; the deep canyon and arches for… | Sharm El Sheikh & Ras MohammedEgypt | Reef | 5–40 m | Advanced | Strong | May–Oct | |
| Tiputa Pass Gray reef shark walls; habituated bottlenose dolphins mid-dive… | RangiroaFrench Polynesia | Channel | 10–40 m | Advanced | Strong | Nov–Apr | |
| U-352 An authentic U-boat casualty of the Battle of the Atlantic, often in… | North Carolina Outer BanksUnited States | Wreck | 30–35 m | Advanced | Moderate | Jun–Sep | |
| USCGC Duane An upright, storied cutter in blue Gulf Stream water, barracuda… | Florida KeysUnited States | Wreck | 18–36 m | Advanced | Strong | — | |
| USCGC Spar An upright, easily navigated cutter with resident sand tigers | North Carolina Outer BanksUnited States | Wreck | 26–33 m | Advanced | Moderate | Jun–Sep | |
| USNS Vandenberg Radar dishes on a sunken tracking ship, huge intact structure, Key… | Florida KeysUnited States | Wreck | 14–43 m | Advanced | Moderate | — | |
| USS Spiegel Grove One of the largest ships ever intentionally reefed, resident goliath… | Florida KeysUnited States | Wreck | 14–40 m | Advanced | Moderate | — | |
| Um El Faroud Full-size tanker on sand, the storm-split midships, resident… | Malta & GozoMalta | Wreck | 18–36 m | Advanced | Mild | May–Oct | |
| Washing Machine Roller-coaster surge channels, sharks in the grooves, vigorous hard… | Tubbataha ReefsPhilippines | Reef | 5–30 m | Advanced | Strong | Mar–Jun | |
| Watamula Wall-to-wall living coral, effortless drift, big fish traffic at the… | CuraçaoCuraçao | Reef | 8–30 m | Advanced | Moderate | — | |
| Western Rocky The through-island tunnel with resting nurse sharks, elite macro… | Mergui ArchipelagoMyanmar | Reef | 5–30 m | Advanced | Moderate | Dec–Apr | |
| Wolf Island (Landslide & Shark Bay) Hammerhead schools, free-swimming morays, eagle ray squadrons… | Galápagos IslandsEcuador | Reef | 10–35 m | Advanced | Strong | Jun–Nov | |
| Yonaguni Monument The terraces and right angles themselves, the natural-versus-carved… | YonaguniJapan | Reef | 5–26 m | Advanced | Moderate | Apr, May, Oct, Nov |
Site data is compiled from the sources on each site's own page and carries confidence labels; depths and conditions are planning ranges, not survey data.