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Detroit Harbor, Wisconsin

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Detroit Harbor is a small, unincorporated community on Washington Island in Door County, Wisconsin. It’s part of the Town of Washington Island and sits near a bay also called Detroit Harbor. The area has a U.S. Post Office and Coast Guard Station Washington Island. The Washington Island Ferry provides regular passenger service from Detroit Harbor to Northport. The ZIP code is 54246 and the area code is 920. The elevation is about 604 feet (184 meters). It’s in the Central Time Zone (UTC-6, UTC-5 in summer). Coordinates are roughly 45.3567°N, 86.9306°W.


This page was last edited on 3 February 2026, at 06:48 (CET).