Thunder Bay National Marine Sanctuary

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Michigan, USA

Best timeJune to September
Water temp10-18°C / 50-64°F
Visibility5-40m+ / 16-130ft+
AccessBoat Dive
Dive typesScuba
DifficultyAdvanced
Max depth40 m
Avg depth25 m
Nearest airportAPN
'Shipwreck Alley'Historic wrecksCold freshwater
Scuba

Known as 'Shipwreck Alley', Thunder Bay is a National Marine Sanctuary protecting one of America's most historically significant collections of shipwrecks. Divers can explore everything from wooden schooners to massive steel freighters.

Features

A protected area with nearly 100 historic shipwrecks. The sanctuary offers a huge variety of wrecks at different depths, from shallow schooners to deep, intact freighters. A must-do for Great Lakes wreck divers.

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