Port

Sunset Bay Marina

Unionville, United StatesGreat Lakes
Type
Harbour

Family marina and RV park on the east shore of Saginaw Bay, Lake Huron, 20 miles east of Bay City.

Guide

Approach and anchoring

Approach from Saginaw Bay to the marina pier, which extends about 1,500 feet into the bay for direct access to deeper water. Watch for shallows close inshore. No formal channel markers; approach in daylight on a settled forecast.

Practical

Seasonal and transient berths for boats 16 to 45 feet, total 88 dock and campsite spots. Launch ramp, hoist, showers and store on site. Address 5825 Loomis Rd, Unionville MI 48767. Contact +1 989 674 2668.

Key facts

Type
Harbour
Coordinates
43.66882, -83.58083 (43°40.13'N 83°34.85'W)
Town
Unionville
Country
United States
Updated
July 7, 2026

Getting there

Sunset Bay Marina lies at 43°40.13'N 83°34.85'W, that is 43.66882, -83.58083 in decimal degrees.

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