Michigan

Harrisville, Oscoda and Tawas

Sturgeon Point, the Au Sable pier light at Oscoda, and Tawas Point on its sandy spit.

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Lighthouses 2

• Sturgeon Point LighthouseLighthouse
• Tawas Point LighthouseLighthouse

Shipwrecks

Coming soon.

Islands

Coming soon.

Shoals and sand bars

Coming soon.

Reefs

Coming soon.

Every site here is drawn from public charts and records. They are on the website for now and coming to the app.