Thunder Bay Underwater Preserve

Thunder Bay National Marine Sanctuary and Underwater Preserve Unique among Michigan's Underwater Preserves, Thunder Bay is home to both a National Marine Sanctuary and an Underwater Preserve. As such, it benefits from joint NOAA and State management. It is significant as the first Great Lakes national marine sanctuary. The Sanctuary and Underwater Preserve has been

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Ship graveyard: Estimated 116 historically significant shipwrecks

Thunder Bay Underwater Preserve

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Ship graveyard: Estimated 116 historically significant shipwrecks

great lakes shipwrecks underwater photography wreck diving

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