Port

Main Pier Marina

Oscoda, United StatesGreat Lakes
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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