- Shelter
- W, E, SW, S, SE
- Seabed
- sand, algae
- Anchoring
- Allowed
Sheltered bay on Lake Huron about 2 miles east of Cheboygan, Michigan, within the Straits of Mackinac.
- Beach
Guide
Approach and anchoring
Duncan Bay opens directly onto Lake Huron with no surge once inside. The marked approach channel carries a minimum depth of 8 feet, and the bay itself holds at least 13 feet.
Practical
Sand and weed bottom. Sheltered from the western, eastern and southern quarters. Duncan Bay Boat Club lies 0.5 mile west with 263 berths and a pump-out; Cheboygan County Marina is 1.6 miles west.
Ashore
Cheboygan State Park borders the east side of the bay, with sand beaches, hiking trails and the 19th-century Cheboygan Front Range light. Mackinac Island lies 14 miles north-west, and the North Channel cruising ground is 34 miles off.
Key facts
- Type
- Anchorage
- Coordinates
- 45.64927, -84.43030 (45°38.96'N 84°25.82'W)
- Country
- United States
- Shelter
- Sheltered from west, east, south-west, south, south-east winds
- Seabed
- sand, algae
- Anchoring
- Allowed
- Services
- Beach
- Boaters' rating
- 4.0/5
- Updated
- July 7, 2026
Getting there
Duncan Bay lies at 45°38.96'N 84°25.82'W, that is 45.64927, -84.43030 in decimal degrees.
Boaters' reviews
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Write a reviewFrequently asked questions
Which winds is Duncan Bay sheltered from?
Duncan Bay is sheltered from west, east, south-west, south, south-east winds.
Can you anchor at Duncan Bay?
Yes, anchoring is allowed at Duncan Bay.
How do boaters rate Duncan Bay?
Duncan Bay is rated 4.0/5 by boaters on BoatMap.
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