- Type
- Harbour
Marina at the mouth of the Au Sable River in Oscoda, 125 berths with fuel and direct access to Lake Huron.
Guide
Approach and anchoring
Enter the Au Sable River from Lake Huron at the Oscoda channel. The marina is immediately on the north bank at 4498 N US Highway 23, sharing its driveway with the state launch ramp. River-only entrance, no tidal lock.
Practical
125 berths, fuel berth with diesel and petrol, water and shore power on the pontoons, heads, showers, laundry, grills and a pump-out. Repair services on site. Phone 989 739 8530. Rental berths and seasonal storage available.
Ashore
Oscoda town centre across the river bridge at 700 m. Au Sable Shoreline Park and Lake Huron beach immediately east of the marina. Boat launch ramp shared with the marina entrance for trailerable craft.
Key facts
- Type
- Harbour
- Coordinates
- 44.40571, -83.32417 (44°24.34'N 83°19.45'W)
- Town
- Oscoda
- Country
- United States
- Updated
- July 7, 2026
Getting there
Main Pier Marina lies at 44°24.34'N 83°19.45'W, that is 44.40571, -83.32417 in decimal degrees.
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