Thunder Bay National Marine Sanctuary
Aquatic protected area in Michigan, USA From Wikipedia, the free encyclopedia
Thunder Bay National Marine Sanctuary and Underwater Preserve is a United States National Marine Sanctuary on Lake Huron's Thunder Bay, within the northeastern region of the U.S. state of Michigan. It protects an estimated 116 historically significant shipwrecks ranging from nineteenth-century wooden side-wheelers to twentieth-century steel-hulled steamers. There are a great many wrecks in the sanctuary, and their preservation and protection is a concern for national policymakers.[1] The landward boundary of the sanctuary extends from the western boundary of Presque Isle County to the southern boundary of Alcona County. The sanctuary extends east from the lakeshore to the international border. Alpena is the largest city in the area.
| Thunder Bay National Marine Sanctuary and Underwater Preserve | |
|---|---|
 Great Lakes Maritime Heritage Center | |
  Location among Michigan's Underwater Preserves | |
| Location | Lake Huron (Alcona, Alpena, and Presque Isle counties, Michigan) |
| Nearest city | Alpena, Michigan |
| Coordinates | 45.0034°N 83.253°W |
| Area | 4,300 sq mi (11,000 km2) |
| Established | 2000 |
| Governing body | Michigan Department of Natural Resources, National Oceanic and Atmospheric Administration |
The National Oceanic and Atmospheric Administration established Thunder Bay National Marine Sanctuary and Underwater Preserve in 2000. It became the thirteenth overall and first on the Great Lakes. Original boundaries followed that of Alpena County to 83 degrees west longitude totaling 448 square miles (1,160 km2). In 2014 it was expanded to 4,300 square miles (11,000 km2).[2] The marine sanctuary contains many shipwrecks, such as the hull of package freighter SS Pewabic.
Tied to the sanctuary is the Great Lakes Maritime Heritage Center. The museum, located in Alpena on the Thunder Bay River, features exhibits about local shipwrecks and the Great Lakes, an auditorium, an archaeological conservation lab, and education areas.
Thunder Bay National Marine Sanctuary offers a variety of recreational activities for visitors. The sanctuary is renowned for its exceptional shipwreck diving experiences, suitable for both novice and experienced divers. Several charter services provide guided dives to the sanctuary's shipwrecks, ensuring safe and educational experiences. Boating is another popular activity, with numerous boat launches and marinas available in the area.[3]
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