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205 sites match.

	Site	Destination	Type	Depth	Level	Current	Best
RReef	Admiralty Anchor Historic anchor grown into the reef, light-filled swim-throughs, huge…	Coral Sea & Osprey ReefAustralia	Reef	8–30 m	Intermediate	Mild	Jun, Jul, Sep, Oct, Nov, Dec	☆
AArtificial reef	Airplane Wreck (Tuble) A photogenic aircraft skeleton, resident frogfish, easy add-on to the…	MoalboalPhilippines	Artificial reef	15–24 m	Intermediate	Mild	Dec–May	☆
RReef	Alice in Wonderland Giant mushroom coral heads, sand avenues with garden eels, uncrowded…	British Virgin IslandsBritish Virgin Islands	Reef	10–28 m	Intermediate	Mild	—	☆
	Aliwal Baited Shark Dive Dozens of oceanic blacktips; seasonal tiger sharks at drifting close…	Aliwal Shoal & UmkomaasSouth Africa	Blue water	0–15 m	Intermediate	Moderate	Dec–May	☆
WWall	Amos Rock Giant sea fans, resident Napoleon wrasse, painterly wall scenery	Tubbataha ReefsPhilippines	Wall	5–40 m	Intermediate	Moderate	Mar–Jun	☆
PPinnacle	Angel's Window The fan-framed swim-through; pygmy seahorses; a reef interlude amid…	Lembeh StraitIndonesia	Pinnacle	5–30 m	Intermediate	Moderate	—	☆
RReef	Annie's Bommie Soft-coral density at close range; anthias swarms against blue water…	Taveuni & Rainbow ReefFiji	Reef	8–22 m	Intermediate	Mild	May–Oct	☆
PPinnacle	Arnarnesstrytur Multiple venting cones at friendly depths, lumpfish and wolffish…	Silfra & IcelandIceland	Pinnacle	10–25 m	Intermediate	Mild	May–Sep	☆
WWall	Babylon The freestanding pinnacle, hanging black-coral gardens, true oceanic…	Grand CaymanCayman Islands	Wall	12–40 m	Intermediate	Mild	Apr–Aug	☆
SSeamount	Baixa do Ambrosio Devil-ray trains at snorkel depth, passing loggerheads, easy profile…	The AzoresPortugal	Seamount	8–30 m	Intermediate	Moderate	Jul–Sep	☆
PPinnacle	Bajo Veinte Baitball crowns, whitetips in the gullies, cool-season pelagic…	CoibaPanama	Pinnacle	12–30 m	Intermediate	Moderate	—	☆
PPinnacle	Bajo del Diablo (Cano Island) Granite pinnacle topography, barracuda walls, whale song in season…	Costa Rica Pacific CoastCosta Rica	Pinnacle	12–28 m	Intermediate	Moderate	—	☆
	Banana Reef Classic overhang-and-canyon terrain; sweetlips schools; Napoleon…	North & South Malé AtollsMaldives	Reef	5–30 m	Intermediate	Moderate	Dec–Apr	☆
	Barracuda Lake A 38 °C thermocline you can feel like a wall, cathedral rock…	CoronPhilippines	Freshwater	3–35 m	Intermediate	None	Nov–May	☆
	Batu Kapal Multi-pinnacle architecture; fusilier and triggerfish storms; pelagic…	Banda Sea & AmbonIndonesia	Pinnacle	8–40 m	Intermediate	Moderate	Mar, Apr, Sep, Oct, Nov	☆
SShore	Bjarnagja Halocline light effects, sheer lava walls, a wilder alternative to…	Silfra & IcelandIceland	Shore	3–18 m	Intermediate	None	May–Sep	☆
WWall	Black Coral I & II Living black-coral thickets, tarpon under the ledges, sharks…	Jardines de la ReinaCuba	Wall	15–35 m	Intermediate	Mild	Dec–Apr	☆
WWall	Black Forest Shallow black coral under dramatic overhangs, whale song in season	Turks and CaicosTurks and Caicos Islands	Wall	8–40 m	Intermediate	Mild	—	☆
SSeamount	Black Hills Swirling jack and baitfish schools, eagle rays on the current line…	UtilaHonduras	Seamount	12–40 m	Intermediate	Moderate	Mar, Apr, May, Aug, Sep	☆
	Blade Knife-edge ridge topography; fan and sponge growth on the crest; a…	WakatobiIndonesia	Seamount	6–35 m	Intermediate	Moderate	Mar–Nov	☆
PPinnacle	Blonde Rock Fish-stacked ledges on an isolated seamount, regular eagle rays	British Virgin IslandsBritish Virgin Islands	Pinnacle	4–18 m	Intermediate	Moderate	—	☆
	Blue Corner Gray reef sharks stacked in the current; the resident Napoleon wrasse…	PalauPalau	Wall	8–30 m	Intermediate	Strong	Nov–Apr	☆
	Blue Hole The archway exit into blue, Azure Window boulder field, chimney…	Malta & GozoMalta	Blue hole	5–40 m	Intermediate	Mild	May–Oct	☆
	Blue Hole The Bells chimney entry; the saddle crossing into blue light…	DahabEgypt	Blue hole	~6 m	Intermediate	None	Apr, May, Jun, Sep, Oct, Nov	☆
BBlue hole	Blue Holes Light shafts through the skylights; the arched exits onto the wall…	PalauPalau	Blue hole	2–35 m	Intermediate	Mild	Nov–Apr	☆
WWreck	Bonegi I (Hirokawa Maru) A shore-entry WWII transport; coral-covered upper hull rich in fish…	Solomon IslandsSolomon Islands	Wreck	3–55 m	Intermediate	Mild	—	☆
RReef	Boo Windows The window swim-throughs; soft-coral walls; pygmy seahorses and…	Raja AmpatIndonesia	Reef	3–30 m	Intermediate	Moderate	Oct–Apr	☆
PPinnacle	Brissare Rocks Rope-like fusilier streams; turtle traffic; honest granite topography	SeychellesSeychelles	Pinnacle	8–24 m	Intermediate	Moderate	Mar, Apr, May, Oct, Nov	☆
	Broken Rock The fan-lined canyon swim; turtle and moray terraces around the rim	Ari AtollMaldives	Pinnacle	12–30 m	Intermediate	Moderate	Dec–Apr	☆
WWall	Browning Wall Total invertebrate cover, winter 20 m-plus visibility, dens of…	British ColumbiaCanada	Wall	5–30 m	Intermediate	Strong	Oct–Mar	☆
WWreck	C-53 Felipe Xicotencatl Upright intact hull, guided interior corridors, glassy sweepers, easy…	CozumelMexico	Wreck	15–25 m	Intermediate	Mild	Dec–Apr	☆
WWall	CJ's Drop Off Chimney swim-throughs opening onto the wall, sharp shelf-to-abyss…	UtilaHonduras	Wall	5–40 m	Intermediate	Mild	Mar, Apr, May, Aug, Sep	☆
SShore	Cabo Douglas Marine iguanas grazing underwater, flightless cormorants hunting, sea…	Galápagos IslandsEcuador	Shore	3–15 m	Intermediate	Mild	—	☆
SSeamount	Cannibal Rock Sea apples and carpet invertebrate cover; dense macro; the signature…	KomodoIndonesia	Seamount	5–30 m	Intermediate	Moderate	Nov–Apr	☆
RReef	Cape Kri Extreme fish density at the point; sweetlips aggregations; sharks and…	Raja AmpatIndonesia	Reef	5–40 m	Intermediate	Strong	Oct–Apr	☆
MMuck	Cars Frogfish-stuffed car shells, sand aprons full of ambush hunters…	Dumaguete, Dauin & Apo IslandPhilippines	Muck	15–25 m	Intermediate	Mild	Mar, Apr, May, Jun, Oct, Nov	☆
PPinnacle	Catalina Islands Giant mantas in the cool months, eagle ray squadrons, easy logistics…	Costa Rica Pacific CoastCosta Rica	Pinnacle	8–25 m	Intermediate	Moderate	Nov–May	☆
	Cathedral The arch-framed raggie silhouette; a natural amphitheater made for…	Aliwal Shoal & UmkomaasSouth Africa	Reef	14–27 m	Intermediate	Moderate	Jun–Nov	☆
CCave	Caverna da Sapata A daylight cavern in a sheer volcanic point, resting nurse sharks…	Fernando de NoronhaBrazil	Cave	10–22 m	Intermediate	Moderate	Aug–Nov	☆
	Cedar Pride The swim-through beneath the hull; soft-coral growth on masts and…	AqabaJordan	Wreck	8–26 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
CCave	Chandelier Cave Surfacing among stalactites; torchlight in the final chamber…	PalauPalau	Cave	3–12 m	Intermediate	None	—	☆
	Chrisoula K Holds stacked with floor tiles; machinery in the aft workshops; an…	Hurghada & El GounaEgypt	Wreck	5–27 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
RReef	Christmas Point Archway sequences, ribbon eels and Napoleon wrasse, northern-Similan…	Similan Islands & Richelieu RockThailand	Reef	8–35 m	Intermediate	Moderate	Dec–Apr	☆
PPinnacle	Chumphon Pinnacle Anemone-carpeted summit, torrents of trevally and barracuda, the…	Koh TaoThailand	Pinnacle	14–36 m	Intermediate	Moderate	Mar–Sep	☆
WWreck	Clan MacWilliam An upright 1920s steamer in flat-calm water; deck machinery under…	VavaʻuTonga	Wreck	18–30 m	Intermediate	None	—	☆
	Clown Valley An anemone carpet of absurd extent; anemonefish in their hundreds; a…	AlorIndonesia	Reef	5–25 m	Intermediate	Moderate	Apr–Nov	☆
WWall	Colombia Wall Skyscraper pinnacles, ravine swim-throughs, turtles and eagle rays…	CozumelMexico	Wall	12–40 m	Intermediate	Moderate	Dec–Apr	☆
BBlue water	Condor Bank Close, calm blue-shark encounters; occasional mako fly-bys; true…	The AzoresPortugal	Blue water	5–20 m	Intermediate	Mild	Jul–Oct	☆
WWreck	Corveta Afonso Cerqueira Intact modern warship, prepared swim-throughs, fast-growing fish…	MadeiraPortugal	Wreck	15–33 m	Intermediate	Mild	Jun–Oct	☆
RReef	Cousins Rock Endemic black coral gardens, Pacific seahorses, playful sea lions…	Galápagos IslandsEcuador	Reef	8–30 m	Intermediate	Moderate	—	☆
PPinnacle	Dangleben's Pinnacles Torrents of creole wrasse, sponge-studded volcanic towers	DominicaDominica	Pinnacle	9–35 m	Intermediate	Moderate	—	☆
FFreshwater	Davidsgja Uncrowded rift diving, resident brown trout, open-lake atmosphere	Silfra & IcelandIceland	Freshwater	3–21 m	Intermediate	None	Jun–Sep	☆
	Dharavandhoo Thila Scuba manta encounters on the bay's doorstep during the season	Baa Atoll & Hanifaru BayMaldives	Pinnacle	10–28 m	Intermediate	Moderate	Jun–Nov	☆
	Dhigali Haa Gray reef sharks over a soft-coral dome; a protected site beyond the…	Baa Atoll & Hanifaru BayMaldives	Pinnacle	8–30 m	Intermediate	Moderate	Dec–Apr	☆
	Dhonfanu Thila Season-long manta cleaning activity at kneeling-depth blocks	Baa Atoll & Hanifaru BayMaldives	Pinnacle	10–30 m	Intermediate	Moderate	Jun–Nov	☆
PPinnacle	Dillon Rock Multiple octopus and wolf eel dens on one small rock, long shallow…	British ColumbiaCanada	Pinnacle	5–21 m	Intermediate	Moderate	Oct–Mar	☆
WWall	Dindini Wall Clear-water outer wall; turtles on the lip and rays in the blue	Mafia IslandTanzania	Wall	10–30 m	Intermediate	Moderate	Oct–Feb	☆
WWall	Drop Off A 600 m wall starting at the beach, constant turtle traffic, the…	Sipadan & MabulMalaysia	Wall	2–40 m	Intermediate	Mild	Apr–Sep	☆
WWall	Duppy Waters Ghost-quiet north-shore atmosphere, sponge-heavy wall, uncrowded…	UtilaHonduras	Wall	8–35 m	Intermediate	Mild	Mar, Apr, May, Aug, Sep	☆
RReef	El Cabron Dense fish schools, lava arches and caves, winter angelshark…	Canary IslandsSpain	Reef	5–30 m	Intermediate	Mild	May–Nov	☆
	El Dofi Tunnel arches with blue-light exits, groupers and corvina in the…	Medes IslandsSpain	Cave	6–30 m	Intermediate	Mild	May–Oct	☆
RReef	El Dorado Winter great hammerhead encounters, quieter alternative arena to the…	Tiger Beach & Grand BahamaThe Bahamas	Reef	—	Intermediate	Mild	Oct–Apr	☆
PPinnacle	El Farallon Coral towers and canyons, reef sharks on patrol, silky sharks…	Jardines de la ReinaCuba	Pinnacle	15–35 m	Intermediate	Mild	Dec–Apr	☆
WWreck	El Vencedor Wreck (Cabo Pulmo) Unbaited bull sharks at recreational depth, guided etiquette that…	Sea of Cortez & Cabo PulmoMexico	Wreck	10–15 m	Intermediate	Mild	Nov–May	☆
SShore	Electric Beach Fish blizzards in the warm outflow; frequent spinner dolphin flybys…	OʻahuUnited States	Shore	3–12 m	Intermediate	Moderate	—	☆
WWall	Elephant Ear Canyon Giant elephant ear sponge, sand-river canyon through the wall	Turks and CaicosTurks and Caicos Islands	Wall	10–40 m	Intermediate	Mild	—	☆
RReef	Fairyland Swept-clean coral plateau, island-best visibility, twin drop-off edges	Saint LuciaSaint Lucia	Reef	10–25 m	Intermediate	Moderate	—	☆
WWall	False Entrance Canyon swim-throughs, patrolling sharks on the rim, dramatic light in…	Coral Sea & Osprey ReefAustralia	Wall	6–40 m	Intermediate	Moderate	Jun, Jul, Sep, Oct, Nov, Dec	☆
WWreck	Fang Ming Wreck Turtles asleep inside the holds, cup-coral bloom on the rails, gentle…	Sea of Cortez & Cabo PulmoMexico	Wreck	12–21 m	Intermediate	Mild	Aug–Nov	☆
RReef	Fish Tales Tiger and lemon sharks over living reef, packed fish holes…	Tiger Beach & Grand BahamaThe Bahamas	Reef	10–15 m	Intermediate	Mild	Oct–Apr	☆
RReef	Five Caves (Mākena) Sleeping whitetips in the caverns; turtles at cleaning ledges; a…	Maui & MolokiniUnited States	Reef	5–14 m	Intermediate	Mild	—	☆
RReef	Five Mile Reef Pristine plate-coral fields; the connoisseur's quiet alternative	Sodwana BaySouth Africa	Reef	12–21 m	Intermediate	Mild	Apr–Sep	☆
RReef	Five Seas Goliath grouper encounters, tarpon in the channel shade, tide-driven…	Jardines de la ReinaCuba	Reef	10–25 m	Intermediate	Moderate	Dec–Apr	☆
WWall	Forest Shallow black coral groves, turtle traffic off a nesting islet, steep…	BonaireBonaire	Wall	8–30 m	Intermediate	Mild	—	☆
	Fujikawa Maru Zero fighter fuselages in the forward holds; the coral-encrusted…	Chuuk (Truk) LagoonFederated States of Micronesia	Wreck	9–34 m	Intermediate	Mild	Dec–Apr	☆
RReef	Fury Shoals Sha'ab Claudio's sunlit caverns; cottage-sized hard-coral heads…	Marsa Alam & the Deep SouthEgypt	Reef	4–30 m	Intermediate	Mild	Mar, Apr, May, Jun, Sep, Oct, Nov	☆
	Gato Island The under-island tunnel with waiting whitetips, resident sea kraits…	MalapascuaPhilippines	Reef	4–25 m	Intermediate	Mild	Mar–Jun	☆
	German Channel Reef mantas at cleaning stations, best from about December to March…	PalauPalau	Channel	8–25 m	Intermediate	Moderate	Dec–Mar	☆
	Giannis D The tilted engine room; the intact heeled stern; glassfish swirling…	Hurghada & El GounaEgypt	Wreck	6–27 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
CChannel	Goofnuw Channel Cleaning-station manta encounters at their mid-year best; long…	YapFederated States of Micronesia	Channel	5–18 m	Intermediate	Moderate	May–Aug	☆
WWall	Great Wall (Bloody Bay) A sheer face beginning at 6 m, sponge-packed vertical terrain, wall…	Little CaymanCayman Islands	Wall	5–40 m	Intermediate	Mild	Apr–Aug	☆
WWreck	HTMS Sattakut Mounted bow and stern guns, an intact upright hull at Advanced depth…	Koh TaoThailand	Wreck	18–30 m	Intermediate	Mild	Mar–Sep	☆
	Half Moon Caye Wall Garden-eel flats, a sheer sponge-clad wall, eagle rays and turtles…	Belize Barrier ReefBelize	Wall	8–40 m	Intermediate	Mild	Feb–Jun	☆
WWall	Hanging Gardens Overhanging soft-coral terraces, turtles bedded on the balconies, the…	Sipadan & MabulMalaysia	Wall	5–40 m	Intermediate	Mild	Apr–Aug	☆
WWall	Hatta Reef Steep walls with heavyweight fish life; bumphead squads; realistic…	Banda Sea & AmbonIndonesia	Wall	3–40 m	Intermediate	Moderate	Mar, Apr, Sep, Oct, Nov	☆
	Heian Maru The lettered bow; periscopes and torpedoes in the holds; the sheer…	Chuuk (Truk) LagoonFederated States of Micronesia	Wreck	12–34 m	Intermediate	Mild	Dec–Apr	☆
	Hermes Fully intact upright freighter, whole-ship visibility, easy interior…	BermudaBermuda	Wreck	14–24 m	Intermediate	Mild	May–Oct	☆
SSeamount	Inglis Shoal Barracuda tornadoes over the summit; trevally walls; the chance of a…	Kimbe BayPapua New Guinea	Seamount	12–35 m	Intermediate	Moderate	—	☆
	Inland Sea Tunnel The 80 m tunnel, the blue exit frame, big walls beyond the cliff	Malta & GozoMalta	Cave	2–26 m	Intermediate	Mild	May–Oct	☆
RReef	Islas Frijoles Frogfish and seahorse hunting, nudibranch variety, gentle profiles…	CoibaPanama	Reef	8–25 m	Intermediate	Mild	—	☆
RReef	Jackson Reef Summer hammerhead drops off the north point; gorgonian-covered walls…	Sharm El Sheikh & Ras MohammedEgypt	Reef	3–40 m	Intermediate	Strong	May–Oct	☆
RReef	Jessie Beazley Reef Exceptional visibility, a complete reef in one dive, pelagic…	Tubbataha ReefsPhilippines	Reef	3–40 m	Intermediate	Moderate	Mar–Jun	☆
CChannel	Jina Pass Quieter channel drift with better-preserved wall growth	Mafia IslandTanzania	Channel	10–30 m	Intermediate	Moderate	Oct–Feb	☆
WWall	Kalanggaman Island Best visibility in the area, twin walls off a photogenic sandbar…	MalapascuaPhilippines	Wall	5–40 m	Intermediate	Moderate	Feb–Jun	☆
	Karpata Steep sculpted drop-off, embedded historic anchors, standout…	BonaireBonaire	Reef	5–35 m	Intermediate	Mild	—	☆
	Kicker Rock (Leon Dormido) Sharks transiting the channel, sheer walls, snorkeling with sea lions…	Galápagos IslandsEcuador	Channel	5–30 m	Intermediate	Moderate	—	☆
WWreck	Kimon M The exposed engine and propeller; quieter conditions than the…	Hurghada & El GounaEgypt	Wreck	6–32 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
CChannel	Kinasi Pass Incoming-tide drift through the marine park's main channel; grouper…	Mafia IslandTanzania	Channel	8–28 m	Intermediate	Strong	Oct–Feb	☆
	Kirby's Rock Crinoid-covered wall, pygmy seahorse fans, dual macro-and-wide…	AnilaoPhilippines	Wall	5–27 m	Intermediate	Moderate	Nov–Apr	☆
WWreck	Kogyo Maru Cargo holds with cement and machinery, readable wartime purpose…	CoronPhilippines	Wreck	22–36 m	Intermediate	Mild	Nov–Apr	☆
WWall	Koh Bon West Ridge Reef mantas at cleaning stations, a diveable ridge line in all…	Similan Islands & Richelieu RockThailand	Wall	10–40 m	Intermediate	Moderate	Jan–Apr	☆
RReef	La Reina (Cerralvo Island) Occasional returning mantas, quieter sea lions, big morays in the…	Sea of Cortez & Cabo PulmoMexico	Reef	5–25 m	Intermediate	Moderate	Aug–Nov	☆
CCave	La Vaca The through-tunnel itself, escort groupers, coralligenous walls…	Medes IslandsSpain	Cave	8–28 m	Intermediate	Mild	May–Oct	☆
RReef	Laje Dois Irmaos Lemon sharks in the shallows, reef sharks on the slab edge, dolphin…	Fernando de NoronhaBrazil	Reef	8–25 m	Intermediate	Moderate	Aug–Nov	☆
CCave	Leru Cut Midday light shafts in the canyon; surfacing inside the island; walls…	Solomon IslandsSolomon Islands	Cave	5–20 m	Intermediate	None	—	☆
WWreck	Liberty Upright artificial reef at friendly depth, grouper residents, easy…	Larnaca & the ZenobiaCyprus	Wreck	21–27 m	Intermediate	Mild	May–Oct	☆
PPinnacle	Lighthouse Bommie Dwarf minke whale encounters in June-July, olive sea snakes, resident…	Cairns & the Ribbon ReefsAustralia	Pinnacle	6–30 m	Intermediate	Mild	Jun, Jul, Sep, Oct, Nov	☆
PPinnacle	Lima Rock Mobula squadrons in season; fish schools dense enough to dim the…	Musandam PeninsulaOman	Pinnacle	5–35 m	Intermediate	Strong	Oct–Apr	☆
BBlue hole	Lost Blue Hole Sheer-sided ocean blue hole, piles of nurse sharks on the rim	Nassau & New ProvidenceThe Bahamas	Blue hole	12–60 m	Intermediate	Mild	—	☆
	MS Zenobia One of the world's great wrecks: trucks on their chains, cavernous…	Larnaca & the ZenobiaCyprus	Wreck	16–43 m	Intermediate	Mild	May–Nov	☆
WWreck	MV Captain Keith Tibbetts Cold War frigate with gun turrets, the storm-torn break amidships…	Little CaymanCayman Islands	Wreck	12–27 m	Intermediate	Mild	Apr–Aug	☆
WWreck	MV Rozi Complete, compact tug, photogenic wheelhouse, reliable Cirkewwa…	Malta & GozoMalta	Wreck	20–36 m	Intermediate	Mild	May–Oct	☆
	Maaya Thila Pack-hunting whitetips at night; turtles and frogfish by day	Ari AtollMaldives	Pinnacle	6–30 m	Intermediate	Moderate	Dec–Apr	☆
WWreck	Madeirense Upright intact hull, luminous sand setting, easy navigation	MadeiraPortugal	Wreck	18–33 m	Intermediate	Mild	Jun–Oct	☆
WWall	Malayan Wreck Blacktips hunting the flats, an above-water landmark, easygoing wall…	Tubbataha ReefsPhilippines	Wall	3–35 m	Intermediate	Mild	Mar–Jun	☆
RReef	Manta Alley Feeding aggregations of reef mantas; wild south-coast setting; shark…	KomodoIndonesia	Reef	5–25 m	Intermediate	Moderate	Nov–Apr	☆
RReef	Manta Point (Nosy Be) Seasonal chance of mantas at an offshore cleaning bank	Nosy BeMadagascar	Reef	—	Intermediate	Moderate	Sep–Nov	☆
RReef	Manuelita The whitetip night hunt, regular tiger shark passes, an easy coral…	Cocos IslandCosta Rica	Reef	8–30 m	Intermediate	Moderate	—	☆
	Manuk Dense, curious sea snakes; an active volcano in open sea; hammerhead…	Banda Sea & AmbonIndonesia	Reef	5–40 m	Intermediate	Moderate	Mar, Apr, Sep, Oct, Nov	☆
WWall	Marilyn's Cut Escort-service Nassau groupers, the sponge-lined cut, pristine…	Little CaymanCayman Islands	Wall	6–35 m	Intermediate	Mild	Apr–Aug	☆
CCave	Mariner's Cave The vanishing-fog breathing of the chamber; surfacing in sealed…	VavaʻuTonga	Cave	0–12 m	Intermediate	None	Jul–Oct	☆
WWreck	Mary Celestia Standing paddle wheel, Civil War blockade-running history, tidy…	BermudaBermuda	Wreck	15–17 m	Intermediate	Mild	May–Oct	☆
RReef	Mary Island Barracuda columns in the thousands; trevally storms; steady gray reef…	Solomon IslandsSolomon Islands	Reef	5–35 m	Intermediate	Moderate	—	☆
WWall	Mary's Place Single-file crevice passages, black coral and sponge-lined walls, a…	RoatánHonduras	Wall	8–30 m	Intermediate	Mild	Mar–Aug	☆
CChannel	Mi'il Channel Courtship trains of reef mantas December–April; close…	YapFederated States of Micronesia	Channel	5–20 m	Intermediate	Moderate	Dec–Apr	☆
SSeamount	Monad Shoal Thresher sharks at cleaning stations most dawns, occasional rays, a…	MalapascuaPhilippines	Seamount	14–30 m	Intermediate	Mild	Dec–May	☆
RReef	Mushroom Forest Field of mushroom-shaped coral heads, dens full of octopus and morays	CuraçaoCuraçao	Reef	10–20 m	Intermediate	Mild	—	☆
WWreck	Nemesis III Compact trawler with readable working gear, generous bottom time…	Larnaca & the ZenobiaCyprus	Wreck	18–25 m	Intermediate	Mild	May–Oct	☆
RReef	Nine Mile Reef Giant green tree corals in the shallows; wildlife-rich boat runs	Sodwana BaySouth Africa	Reef	8–24 m	Intermediate	Moderate	Apr–Sep	☆
WWall	North Horn Shark amphitheater over abyssal walls, silvertips from the blue…	Coral Sea & Osprey ReefAustralia	Wall	10–40 m	Intermediate	Moderate	Jun, Jul, Sep, Oct, Nov, Dec	☆
RReef	North Twin Armspan gorgonians on granite, raiding pelagics, dependable mid-trip…	Mergui ArchipelagoMyanmar	Reef	8–35 m	Intermediate	Moderate	Dec–Apr	☆
PPinnacle	Octopus Rock Zebra sharks on the sand apron; dense macro on a big-animal site; the…	Musandam PeninsulaOman	Pinnacle	8–30 m	Intermediate	Moderate	Oct–Apr	☆
WWall	Ohotu Wall Ocean-clear water on an easy wall; steady shark and turtle traffic…	FakaravaFrench Polynesia	Wall	8–35 m	Intermediate	Moderate	—	☆
WWreck	Okikawa Maru Shallow sprawling tanker deck, coral-and-anemone overgrowth…	CoronPhilippines	Wreck	10–26 m	Intermediate	Moderate	Nov–Apr	☆
WWreck	Olympia Maru Batfish escorts and glassfish clouds, forgiving depths, an ideal…	CoronPhilippines	Wreck	12–30 m	Intermediate	Mild	Nov–Apr	☆
WWall	Orange Canyon Giant orange elephant-ear sponges, photogenic wall lip, pelagic…	Grand CaymanCayman Islands	Wall	14–33 m	Intermediate	Mild	Dec–May	☆
CCave	Painted Cave (Santa Cruz Island) A monumental sea-cave entrance, sea lion flybys in the beam of blue…	California Channel IslandsUnited States	Cave	5–18 m	Intermediate	Mild	—	☆
RReef	Painted Walls Sponge-painted canyon corridors, pirate-lore setting, vivid shallow…	British Virgin IslandsBritish Virgin Islands	Reef	5–13 m	Intermediate	Mild	—	☆
RReef	Paso del Cedral Dense snapper and grunt schools, nurse sharks under ledges, lively…	CozumelMexico	Reef	10–20 m	Intermediate	Moderate	Dec–Apr	☆
RReef	Pedras Secas Canyon and tunnel swim-throughs in glass-clear water, turtles in the…	Fernando de NoronhaBrazil	Reef	8–22 m	Intermediate	Mild	Aug–Nov	☆
WWall	Pescador Island The Cathedral light funnel, wraparound wall diving, sharks and…	MoalboalPhilippines	Wall	3–40 m	Intermediate	Moderate	Dec–May	☆
RReef	Pipin Reliable close-quarters reef sharks, huge groupers, the park's…	Jardines de la ReinaCuba	Reef	12–25 m	Intermediate	Mild	Dec–Apr	☆
PPinnacle	Pixie Pinnacle Glassfish clouds with hunting lionfish, gorgonian-covered flanks…	Cairns & the Ribbon ReefsAustralia	Pinnacle	5–30 m	Intermediate	Mild	Jun–Nov	☆
	Ponta de Sao Lourenco Raw volcanic topography, pelagic traffic at the point, uncrowded sites	MadeiraPortugal	Reef	8–30 m	Intermediate	Moderate	Jun–Sep	☆
RReef	Precontinent II (Conshelf Two) The onion-dome hangar and its trapped-air mirror; Cousteau-era relics…	Port Sudan & SanganebSudan	Reef	9–30 m	Intermediate	Mild	Nov–May	☆
WWall	Punta Vicente Roca Mola cleaning stations, turtle aggregations, red-lipped batfish…	Galápagos IslandsEcuador	Wall	5–30 m	Intermediate	Mild	—	☆
WWall	Purple Wall Violet soft-coral overhangs; ledge caves full of soldierfish; morning…	Taveuni & Rainbow ReefFiji	Wall	8–30 m	Intermediate	Moderate	May–Oct	☆
	RMS Rhone Intact coral-sheathed bow section, giant propeller in the shallows…	British Virgin IslandsBritish Virgin Islands	Wreck	6–26 m	Intermediate	Mild	—	☆
	Raggie Cave Winter aggregations of ragged-tooth sharks at close, calm range	Aliwal Shoal & UmkomaasSouth Africa	Reef	12–27 m	Intermediate	Moderate	Jun–Nov	☆
	Rainbow Warrior Jewel-anemone-covered hull, a pivotal moment of protest history…	Poor Knights IslandsNew Zealand	Wreck	14–28 m	Intermediate	Mild	Feb–Jun	☆
DDrift	Rainbow's End Full-color soft-coral terraces; fusilier and anthias clouds; an easy…	Taveuni & Rainbow ReefFiji	Drift	5–25 m	Intermediate	Strong	May–Oct	☆
WWall	Randy's Gazebo The arch, the chimney descent through the reef, dense wall decoration.	Little CaymanCayman Islands	Wall	6–35 m	Intermediate	Mild	Apr–Aug	☆
RReef	Ras Abu Galum Untracked reef walls; the camel-train approach; grilled-fish surface…	DahabEgypt	Reef	5–30 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
RReef	Ras Morovi Turtle-grazed coral gardens; boulder terraces on the point; the…	Musandam PeninsulaOman	Reef	5–25 m	Intermediate	Moderate	Oct–Apr	☆
MMuck	Rempart Serpent Extraordinary density of scorpionfish, stonefish, and morays on one…	MauritiusMauritius	Muck	18–26 m	Intermediate	Mild	Mar, Apr, Oct, Nov, Dec	☆
CCave	Rikoriko Cave Diving inside one of the world's great sea caves, deep-water species…	Poor Knights IslandsNew Zealand	Cave	5–22 m	Intermediate	None	Feb–Jun	☆
WWall	Runway Wall True abyssal wall minutes from shore, unbaited shark traffic	Nassau & New ProvidenceThe Bahamas	Wall	12–40 m	Intermediate	Mild	—	☆
	SMS Karlsruhe Readable cruiser layout, best light of the German wrecks, gentle…	Scapa FlowUnited Kingdom	Wreck	14–27 m	Intermediate	Mild	Apr–Sep	☆
	SS Carnatic Light through the exposed iron ribs; soft-coral growth on a Victorian…	Hurghada & El GounaEgypt	Wreck	17–27 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
	SS Dunraven Swim-through hull sections full of glassfish; propeller and rudder on…	Sharm El Sheikh & Ras MohammedEgypt	Wreck	15–29 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
	SS Thistlegorm Motorcycles still on truck beds in hold two; the anti-aircraft gun at…	Sharm El Sheikh & Ras MohammedEgypt	Wreck	16–32 m	Intermediate	Moderate	Apr, May, Jun, Sep, Oct, Nov	☆
WWall	Sachiko's Point Fast drifts on the point; big fans with pygmy seahorses; pelagic edge…	Bunaken & ManadoIndonesia	Wall	5–40 m	Intermediate	Moderate	Mar–Oct	☆
PPinnacle	Sail Rock The Chimney swim-through, bait-ball density on a lone monolith…	Koh TaoThailand	Pinnacle	5–34 m	Intermediate	Moderate	Mar–Sep	☆
	Salem Express An intact, legible large ferry at recreational depth; the twin…	Hurghada & El GounaEgypt	Wreck	12–30 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
WWall	Santa Rosa Wall Sweeping wall drift, swim-through tunnels, barrel sponges, winter…	CozumelMexico	Wall	12–40 m	Intermediate	Moderate	Dec–Apr	☆
RReef	Sardine Reef Blackout-dense fish schools; hunting trevally; wobbegongs and…	Raja AmpatIndonesia	Reef	5–30 m	Intermediate	Moderate	Oct–Apr	☆
PPinnacle	Scott's Head Pinnacle Soldierfish-packed swim-through, summit-to-depths pinnacle profile	DominicaDominica	Pinnacle	3–35 m	Intermediate	Mild	—	☆
WWreck	Sea Tiger Snapper rivers through the holds; eagle rays off the rails…	OʻahuUnited States	Wreck	21–37 m	Intermediate	Mild	—	☆
	Seven Mile Reef Mushroom-rock topography and green tree coral; the park's most likely…	Sodwana BaySouth Africa	Reef	12–24 m	Intermediate	Moderate	Apr–Sep	☆
WWall	Seven Tree Island Boulder-garden dens, king crabs in parade colors, a kinder…	British ColumbiaCanada	Wall	6–26 m	Intermediate	Moderate	Oct–Mar	☆
RReef	Shark & Yolanda Reefs Summer snapper and batfish walls; Shark Reef's sheer drop; Yolanda's…	Sharm El Sheikh & Ras MohammedEgypt	Reef	5–30 m	Intermediate	Moderate	Jun–Oct	☆
WWall	Shark Airport Rows of resting whitetips on sand, grey reef sharks off the wall…	Tubbataha ReefsPhilippines	Wall	5–40 m	Intermediate	Moderate	Mar–Jun	☆
RReef	Shark Arena Dozens of circling reef sharks at arm's length, adjacent wall dive	Nassau & New ProvidenceThe Bahamas	Reef	12–15 m	Intermediate	Mild	—	☆
RReef	Shark Fin Reef Kilometer-scale granite spine, rays and garden eels on the sand…	Similan Islands & Richelieu RockThailand	Reef	5–35 m	Intermediate	Moderate	Nov–Apr	☆
WWall	Shark Hotel Reliable unbaited reef sharks, classic Northwest Point wall scenery	Turks and CaicosTurks and Caicos Islands	Wall	12–40 m	Intermediate	Mild	—	☆
	Shark Island Soft-coral variety, sea kraits and rays, an honest name-myth debunking	Koh TaoThailand	Reef	4–24 m	Intermediate	Moderate	Mar–Sep	☆
RReef	Shark Junction Close-range Caribbean reef sharks, professional feed format, easy…	Tiger Beach & Grand BahamaThe Bahamas	Reef	12–15 m	Intermediate	None	—	☆
	Shark Reef Marine Reserve Bull sharks in close formation; the occasional tiger shark; a…	Beqa Lagoon & Pacific HarbourFiji	Reef	8–30 m	Intermediate	Mild	May–Sep	☆
WWreck	Shinkoku Maru Anemone and soft-coral cover unmatched in the lagoon; the operating…	Chuuk (Truk) LagoonFederated States of Micronesia	Wreck	11–38 m	Intermediate	Mild	Dec–Apr	☆
	Silfra Fissure Swimming a tectonic boundary, visibility beyond 80 m, drinkable…	Silfra & IcelandIceland	Freshwater	2–18 m	Intermediate	Mild	May–Sep	☆
RReef	South Twin Gardened granite boulders, easy conditions by Mergui standards…	Mergui ArchipelagoMyanmar	Reef	8–30 m	Intermediate	Mild	Dec–Apr	☆
PPinnacle	Southwest Pinnacle Spire-and-gully topography, outsized groupers, anemone glow with…	Koh TaoThailand	Pinnacle	6–30 m	Intermediate	Moderate	Mar–Sep	☆
	St John's Caves Cathedral light shafts in shallow tunnels; low-stress cavern…	Brothers, Daedalus & St John'sEgypt	Reef	4–18 m	Intermediate	Mild	Mar, Apr, May, Jun, Sep, Oct	☆
WWreck	Stella Maru Intact, easy-to-read trawler; resident morays at every opening	MauritiusMauritius	Wreck	18–26 m	Intermediate	Mild	Mar, Apr, Oct, Nov, Dec	☆
PPinnacle	Steve's Bommie Spiraling fish schools, stonefish and leaf scorpionfish hunting…	Cairns & the Ribbon ReefsAustralia	Pinnacle	5–30 m	Intermediate	Mild	Jun–Nov	☆
WWreck	Tabarka Light shafts inside an upturned hull, anemone-carpeted steel, seal…	Scapa FlowUnited Kingdom	Wreck	10–18 m	Intermediate	Strong	Apr–Sep	☆
WWall	Tanjung Kopi Schooling chevron barracuda; volcano-flank setting; sweetlips-packed…	Bunaken & ManadoIndonesia	Wall	5–35 m	Intermediate	Moderate	Mar–Oct	☆
	The Canyon Light shafts inside the fissure; the glassfish-packed Fishbowl exit…	DahabEgypt	Reef	12–30 m	Intermediate	None	Apr, May, Jun, Sep, Oct, Nov	☆
	The Cathedral The sunken cross, fish-filled amphitheater, a piece of Philippine…	AnilaoPhilippines	Reef	10–30 m	Intermediate	Mild	Nov–Apr	☆
WWall	The Library Gentle buttressed wall, fish-rich shallows over the lip	Turks and CaicosTurks and Caicos Islands	Wall	9–40 m	Intermediate	Mild	—	☆
RReef	The Office Relaxed ledge reef with dense mid-size life; surprise ray flybys	Tofo BeachMozambique	Reef	14–22 m	Intermediate	Mild	May–Nov	☆
RReef	The Zoo Reef-shark and schooling-fish traffic on the tide; ridge-and-channel…	Taveuni & Rainbow ReefFiji	Reef	10–28 m	Intermediate	Moderate	May–Oct	☆
	Tiger Beach Multiple tiger sharks at touching distance, lemon shark packs…	Tiger Beach & Grand BahamaThe Bahamas	Reef	5–12 m	Intermediate	Mild	Oct–Apr	☆
WWall	Trinity Caves Ravine-and-arch passages, the doorway exit onto the wall, classic…	Grand CaymanCayman Islands	Wall	12–30 m	Intermediate	Mild	Dec–May	☆
CChannel	Tumakohua Pass The gray reef shark wall; the grouper aggregation and night hunts…	FakaravaFrench Polynesia	Channel	5–35 m	Intermediate	Strong	May–Oct	☆
RReef	Tutuba Point Drift diving on the channel tide; eagle rays and reef sharks off the…	Espiritu SantoVanuatu	Reef	8–30 m	Intermediate	Moderate	—	☆
	USS Kittiwake Intact rescue-ship spaces at kind depths, tilted corridors and the…	Grand CaymanCayman Islands	Wreck	5–20 m	Intermediate	Mild	Dec–May	☆
	Ulong Channel The lettuce-coral bank; shark line at the entrance; grouper spawning…	PalauPalau	Channel	5–20 m	Intermediate	Strong	Jan, Feb, Mar, Apr, Jun, Jul, Nov, Dec	☆
	Umbria Holds stacked with wartime munitions; the Fiat cars and ship's…	Port Sudan & SanganebSudan	Wreck	5–36 m	Intermediate	Mild	Nov–May	☆
	Underwater Military Museum Helicopters and tanks in deliberate formation; a surreal, highly…	AqabaJordan	Artificial reef	15–28 m	Intermediate	Mild	Apr, May, Jun, Sep, Oct, Nov	☆
WWall	Vertigo Gray reef and blacktip sharks at close quarters; exceptional…	YapFederated States of Micronesia	Wall	5–30 m	Intermediate	Mild	—	☆
WWall	West End Wall Reliable turtles, sponge-loaded wall face, effortless logistics from…	RoatánHonduras	Wall	10–35 m	Intermediate	Mild	Mar–Aug	☆
WWall	White Tip Avenue Whitetips bedded on ledges at close range, steady turtle and ray…	Sipadan & MabulMalaysia	Wall	8–40 m	Intermediate	Moderate	Apr–Aug	☆
WWreck	YO-257 Turtles bedded on the decks; cut-through swim lanes; the occasional…	OʻahuUnited States	Wreck	21–34 m	Intermediate	Mild	—	☆
RReef	Yap Caverns Light-filled swim-throughs and canyons; resting whitetip reef sharks…	YapFederated States of Micronesia	Reef	5–30 m	Intermediate	Mild	—	☆

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.