Octopus

1. St John's CavesShalātīn, Red Sea, EgyptBoat · CaveIntermediate+20 mBest May–Nov · estimated3 mm
2. L'Aiguille de Prony.Yaté-Barrage, South, New CaledoniaBoat · ReefBeginner-friendly1 mBest Apr–Dec · estimated3 mm
3. Blue HoleDahab, EgyptShore · Blue hole · Cave · WallAdvanced+6 m–30 mBest Jun–Oct3 mm
4. MV Mikhail Lermontov, wreckWaikawa, Marlborough, New ZealandBoat · WreckBeginner-friendly23 mBest Jan–Apr · estimated5 mm
5. Flynn ReefCairns, Great Barrier Reef, AustraliaBoat · ReefBeginner-friendly15 mBest Jun–Nov3 mm
6. Long Caye AquariumBelize Barrier Reef, BelizeBoat · WallBeginner-friendly20 mBest Nov–Sep · estimated3 mm
7. Edmonds Underwater ParkEdmonds, Puget Sound, United StatesReefBeginner-friendly14 mBest May–Sep · estimated7 mm / dry
8. Southwest PinnackleKoh Tao, Surat Thani, ThailandBoat · ReefIntermediate+5 m–30 mGood year-round · estimated3 mm
9. FaroRío Grande, Coiba National Park, PanamaBoat · ReefAdvanced+20 mGood year-round · estimated3 mm
10. SalonInhambane, MozambiqueBoat · ReefBeginner-friendly15 mGood year-round · estimated3 mm
11. Los Arcos National ParkPuerto Vallarta, MexicoBoat · ReefBeginner-friendly19 mBest May–Jun · estimated3 mm
12. Frederiksted PierSaint Croix, US Virgin Islands, U.S. Virgin IslandsBoat · Shore · MuckBeginner-friendly10 mBest Oct–Jul · estimated3 mm
13. Buddy’s ReefDorp Antriol, Bonaire, Bonaire, Saint Eustatius and SabaBoat · Shore · ReefBeginner-friendly18 mGood year-round · estimated3 mm
14. Devil’s KitchenSpanish Town, British Virgin IslandsBoat · WallAdvanced+17 mBest Oct–Jul · estimated3 mm
15. Snake BaySt. Michiel, CuracaoBoat · Shore · ReefIntermediate+19 mGood year-round · estimated3 mm
16. Spice Island ReefSaint George's, GrenadaBoat · ReefBeginner-friendly16 mBest Oct–Jul · estimated3 mm
17. Secret GardenKomodo, Komodo National Park, IndonesiaBoat · ReefBeginner-friendly23 mBest Mar–Nov · estimated3 mm
18. Torpedo AlleyKomodo, Komodo National Park, IndonesiaBoat · MuckBeginner-friendly20 mBest Mar–Nov · estimated3 mm
19. The BellsDahab, Red Sea, EgyptShore · WallIntermediate+28 mBest May–Nov · estimated3 mm
20. Bujong ShoalPadre Burgos, Southern Leyte, PhilippinesBoat · Pinnacle · Reef · WallBeginner-friendly45 mBest Jan–Oct · estimated3 mm
21. Boonsung WreckTakua Pa, Thailand Similan Islands, ThailandWreckIntermediate+20 mGood year-round · estimated3 mm
22. PipelineNelson Bay, New South Wales, AustraliaBoat · ShoreBeginner-friendly13 mBest Dec–Apr · estimated3 mm
23. Ammo JettyCoogee, Western Australia, AustraliaBoat · ShoreBeginner-friendly5 mBest Feb–May · estimated5 mm
24. Circus pointAmpana, Central Sulawesi, IndonesiaBoatBeginner-friendly18 mGood year-round · estimated3 mm

Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org