Spurdog

1. Godfrey's LedgeNorth Hampton, New England, United StatesBoat · ReefIntermediate+15 mBest Jun–Sep · estimated5 mm
2. Inner BreakersManchester-by-the-Sea, New England, United StatesBoat · ReefIntermediate+14 mBest Jun–Sep · estimated5 mm
3. Martin LedgeHull, New England, United StatesBoat · ReefIntermediate+18 mBest Jun–Sep · estimated5 mm
4. USS Algol (AKA-54)Seaside Heights, New Jersey Shore, United StatesBoat · WreckAdvanced+45 mBest May–Aug · estimated3 mm
5. MSC Baltic IIIHumber Arm South, Newfoundland, CanadaBoat · WreckAdvanced+25 mBest Jun–Aug · estimated7 mm / dry
6. East End ReefPictou, Nova Scotia, CanadaBoat · ReefIntermediate+28 mBest Jun–Aug · estimated5 mm
7. Ex-TortugaCalifornia Channel Islands, United StatesBoat · WreckAdvanced+20 mBest Jul–Nov · estimated7 mm / dry
8. S.S. ChickasawCalifornia Channel Islands, United StatesBoat · WreckIntermediate+12 mBest Jul–Nov · estimated5 mm
9. Robben Island steamer wreckCape Town, Western Cape, South AfricaWreckEstimated: Advanced+38 mBest Dec–Apr · estimated5 mm
10. Kirby RockUcluelet, British Columbia, CanadaBoat · ReefIntermediate+18 mBest May–Sep · estimated7 mm / dry
11. SS ValenciaUcluelet, British Columbia, CanadaBoat · WreckAdvanced+30 mBest May–Sep · estimated7 mm / dry
12. Texas Tower #4New Jersey Shore, United StatesBoat · WreckAdvanced+55 mBest Jun–Aug · estimated3 mm
13. U-869New Jersey Shore, United StatesBoat · WreckAdvanced+73 mBest May–Aug · estimated3 mm
14. Windtoy ReefSimon's Town, Western Cape, South AfricaReefAdvanced+40 mBest Dec–Apr · estimated5 mm
15. Western PinnacleSimon's Town, Western Cape, South AfricaPinnacle · ReefAdvanced+44 mBest Dec–Apr · estimated5 mm
16. FrancesTruro, New England, United StatesWreckBeginner-friendly3 mBest Jun–Sep · estimated5 mm
17. Numerous Monterey and Carmel Bay sitesMonterey, California, United StatesShore · Pinnacle · WallEstimated: Advanced+36.6 mBest Jul–Nov · estimated7 mm / dry
18. Stillwater CoveSea Ranch, California, United StatesShore · WreckEstimated: Beginner-friendly12.2 mBest Aug–Oct · estimated7 mm / dry
19. Bruce's Mark Western PinnacleSimon's Town, Western Cape, South AfricaPinnacleAdvanced+44 mBest Dec–Apr · estimated5 mm
20. Bruce's dropSimon's Town, Western Cape, South AfricaWreckIntermediate+30 mBest Dec–Apr · estimated5 mm
21. Melville CoveWaikawa, Marlborough, New ZealandBoatBeginner-friendly10 mBest Jan–Apr · estimated5 mm
22. TinderboxBlackmans Bay, Tasmania, AustraliaBoatBeginner-friendly9 mBest Jan–Apr · estimated7 mm / dry
23. Steenbras Deep North PinnacleSomerset West, Western Cape, South AfricaPinnacleAdvanced+Best Dec–Apr · estimated5 mm
24. Steenbras Deep South PinnacleSomerset West, Western Cape, South AfricaPinnacleAdvanced+Best Dec–Apr · estimated5 mm

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