Michigan

Alpena and Thunder Bay

Alpena's breakwater light, Middle Island and Thunder Bay Island at the edge of the Thunder Bay shipwreck sanctuary.

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Lighthouses 3

• Alpena LightLighthouse
• Middle Island LighthouseLighthouse
• Thunder Bay Island LighthouseLighthouse

Shipwrecks 1

• MonohansettShipwreck · 5.5 m

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.