Search results
Dive into the freshwater shipwreck sanctuary at Thunder Bay. The Thunder Bay Natural Marine Sanctuary is NOAA's only freshwater sanctuary, and is home to an estimated 200 wrecks. Swim, paddle, snorkel and dive to these amazing historic artifacts.
500 W. Fletcher St., Alpena, MI 49707 (989) 356-8805 Website. Add to Plan. The Thunder Bay National Marine Sanctuary preserves a national treasure, nearly 200 historic shipwrecks in and around the bay.
Jul 29, 2021 · It is the first sanctuary on Lake Michigan and the second on the Great Lakes after Thunder Bay. Officially designated as a sanctuary on June 23, the Shipwreck Coast contains 36 known sunken vessels.
