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Shipwreck or Site Name: John B. Martin
Located Near: Port Huron

GPS Coordinates / Location Deg
Latitude/Longitude (Degrees): 43.000820 / -82.422460
Latitude/Longitude (Deg Min Sec): 43 0 2.95 / -82 25 20.86
Latitude/Longitude (Deg Min): 43 0.04920 / -82 25.34760

Minimum Depth: 18.288 metres / 60 feet
Maximum Depth: 18.288 metres / 60 feet

Long Description: She now lies in 60 ft. of water approximately 230 ft. from the U.S. shoreline. Located North of the Blue Water Bridge just downstream from the public beach at the end of Riverview Street. This is a very hazardous dive, the strong current can hold you against the wreckage making it difficult to get around if not approached correctly. A common entrance point is at the public beach at the end of Riverview Street, Just South of the Fort Gratiot Lighthouse. Exit at one of the seawall ladders South of the bridge. Use caution, shipping traffic travels directly over the wreck at times! Definitely an Upper Advanced dive being the most difficult in the area.

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Sachem 20.6 km / 12.78 miles
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Sport 29.8 km / 18.49 miles
Eliza H Strong 29.9 km / 18.56 miles
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