Alewife

1. CN Barges (3), c. 1941Imperoyal, Nova Scotia, CanadaBoat · WreckAdvanced+24 mBest Jun–Aug · estimated7 mm / dry
2. Crow ReefLouisdale, Nova Scotia, CanadaBoat · ReefIntermediate+25 mBest Jun–Aug · estimated5 mm
3. Dominion Coal Company barges Freeman (date unknown) and Lucia P. Dow (1957)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+22 mBest Jun–Aug · estimated7 mm / dry
4. East End ReefPictou, Nova Scotia, CanadaBoat · ReefIntermediate+28 mBest Jun–Aug · estimated5 mm
5. Hudson bomber plane (1944)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+23 mBest Jun–Aug · estimated7 mm / dry
6. McAulays ReefRiver John, Nova Scotia, CanadaBoat · ReefIntermediate+26 mBest Jun–Aug · estimated5 mm
7. Norwegian barque Tordenskjold (1879)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+29 mBest Jun–Aug · estimated7 mm / dry
8. Royal Canadian Navy gate vessel HMCS Ypres (1940)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+27 mBest Jun–Aug · estimated7 mm / dry
9. Schooner Gertrude de Costa (1950)Imperoyal, Nova Scotia, CanadaBoat · WreckAdvanced+28 mBest Jun–Aug · estimated7 mm / dry
10. Schooner Reaper (1899)Imperoyal, Nova Scotia, CanadaBoat · WreckAdvanced+26 mBest Jun–Aug · estimated7 mm / dry
11. Sea Fury fighter bomber plane (1952)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+25 mBest Jun–Aug · estimated7 mm / dry
12. The ReefLouisdale, Nova Scotia, CanadaBoat · ReefIntermediate+26 mBest Jun–Aug · estimated5 mm
13. Warrior ReefTrenton, Nova Scotia, CanadaBoat · ReefIntermediate+25 mBest Jun–Aug · estimated5 mm
14. Western ReefEastern Passage, Nova Scotia, CanadaBoat · ReefIntermediate+20 mBest Jun–Aug · estimated7 mm / dry
15. Henry C. DaryawBrockville, Great Lakes, CanadaBoat · WreckIntermediate+20 mBest Jun–Sep · estimated
16. Lillie ParsonsBrockville, Great Lakes, United StatesShore · WreckIntermediate+21 mBest Jun–Sep · estimated
17. Robert GaskinBrockville, Great Lakes, United StatesBoat · WreckIntermediate+20 mBest Jun–Sep · estimated
18. A. R. Colborn and CraneSarnia, Great Lakes, United StatesBoat · WreckAdvanced+20 mBest Jun–Sep · estimated
19. Rothesay (Shipwreck)Prescott, Great Lakes, CanadaBoat · WreckIntermediate+9 mBest Jun–Sep · estimated5 mm
20. U-869New Jersey Shore, United StatesBoat · WreckAdvanced+73 mBest May–Aug · estimated3 mm
21. FrancesTruro, New England, United StatesWreckBeginner-friendly3 mBest Jun–Sep · estimated5 mm
22. Sandy Point State ParkCape Saint Claire, Maryland, United StatesShore · MuckEstimated: Beginner-friendly7.6 mBest Jun–Oct · estimated3 mm
23. Brockville Underwater Sculpture ParkBrockville, Great Lakes, United StatesShore · Artificial reef · ReefIntermediate+12 mBest Jun–Sep · estimated
24. William H. WolfMarine City, Great Lakes, United StatesBoat · WreckIntermediate+20 mBest Jun–Sep · estimated

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