Ontonagon Marina
- Type
- Harbour
Village marina at the mouth of the Ontonagon River on the south shore of Lake Superior, at the foot of the Porcupine Mountains in Michigan's Upper Peninsula.
Guide
Approach and anchoring
Enter from Lake Superior through the breakwater at the Ontonagon River mouth, marked by the 1866 Ontonagon Lighthouse. The marina lies on the river inside the harbour.
Practical
31 seasonal berths and 6 transient berths, with a fuel berth, pump-out, showers, restrooms and a fish cleaning station. Free bikes for the run into town for shops and meals. Picnic areas line the adjacent boardwalk.
Ashore
The Porcupine Mountains Wilderness State Park is roughly 25 km west, with hiking and the Lake of the Clouds overlook. The Ontonagon Lighthouse at the river mouth holds copper mining and Great Lakes shipping artefacts.
History
Ontonagon is among the oldest permanent settlements on the south shore of Lake Superior. Its port shipped copper and silver ore from the Porcupine Mountains mines through the 19th century until the trade declined around 1900.
Key facts
- Type
- Harbour
- Coordinates
- 46.86986, -89.32105 (46°52.19'N 89°19.26'W)
- Town
- Ontonagon
- Country
- United States
- Phone
- +19068844225
- Updated
- July 7, 2026
Getting there
Ontonagon Marina lies at 46°52.19'N 89°19.26'W, that is 46.86986, -89.32105 in decimal degrees.
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