Explore the heritage above and beneath the waves in Thunder Bay National Marine Sanctuary. With almost 100 shipwreck stories to discover, our sanctuary is a hot spot for historical and archaeological research. We protect and preserve our unique Great Lakes maritime cultural heritage.
The shipwrecks of Thunder Bay constitute a microcosm of the Great Lakes commercial shipping industry spanning the last two hundred years, reflecting transitions in both ship architecture and construction.
Great Lakes Maritime Heritage Collection Archive
Managed through a partnership with the Alpena County George M. Fletcher Public Library, the archive is a large and unique public collection dedicated to Great Lakes maritime history. Much of the collection is accessible through a free online digital database. .
View historical objects on display that visually tell Michigan’s maritime story. Artifacts are on display in the conservation lab and throughout the exhibits at the sanctuary’s visitor center in Alpena.