- Shelter
- NE, W, E, SW, S, SE
- Seabed
- mud
- Anchoring
- Allowed
Anchorage on the St Marys River, the channel that drains Lake Superior into Lake Huron and forms the border between Michigan and Ontario, on a mud bottom.
Guide
Approach and anchoring
The river carries a maintained shipping channel watched by the St Marys River Vessel Traffic Service, so monitor traffic before crossing or anchoring near the fairway. The anchorage is open to the south-east quarter and sheltered elsewhere. George Kemp Downtown Marina at Sault Ste Marie lies 15.9 miles to the north-west and Detour Harbor Marina 19.3 miles to the south-east.
Key facts
- Type
- Anchorage
- Coordinates
- 46.28001, -84.12151 (46°16.80'N 84°7.29'W)
- Country
- United States
- Shelter
- Sheltered from north-east, west, east, south-west, south, south-east winds
- Seabed
- mud
- Anchoring
- Allowed
- Boaters' rating
- 4.9/5
- Updated
- July 7, 2026
Getting there
St Marys River lies at 46°16.80'N 84°7.29'W, that is 46.28001, -84.12151 in decimal degrees.
Boaters' reviews
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Write a reviewFrequently asked questions
Which winds is St Marys River sheltered from?
St Marys River is sheltered from north-east, west, east, south-west, south, south-east winds.
Can you anchor at St Marys River?
Yes, anchoring is allowed at St Marys River.
How do boaters rate St Marys River?
St Marys River is rated 4.9/5 by boaters on BoatMap.
Explore the region
- United States
- Great Lakes
- Lake Huron
- Lake Superior
- Lake Michigan
- Lake Erie
- Lake Ontario and the Thousand Islands
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