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DeTour State Harbor
DeTour State Harbor sits at the northeastern tip of Michigan's Upper Peninsula, right where the St. Marys River meets Lake Huron — one of the busiest freshwater shipping lanes in the world, so you'll have a front-row seat to massive freighters passing surprisingly close. It's a genuinely wild spot, with the village of DeTour within easy walking distance and Drummond Island just a short ferry ride away. Reach the harbor at 600 Ontario St or by phone at (906) 297-5947.
Marinas and anchorages near DeTour State Harbor · times are dock to dock
Based on AIS data
quiet → busy
Popular Times
How full it gets, by local hour — tallest when the most boats are here.
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- Fullest around 21:00, emptiest around 11:00
- Half the boats arrive by 15:00
- 83% of visits are overnight
- Typical day stop: ~4h · max recorded 8 boats
Plan a Passage
Popular
16 legs boats have actually been recorded sailing.
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