Au Gres State Dock

Au Gres State Dock

Channel: 44° 01' 06" N

83° 39' 55" W

Marina: 44° 02' 49" N; 83° 41' 17" W

Phone: 989-684-3020

Memorial Day Weekend to Labor Day

Off-Season Location: Bay City State Recreation Area

Off-Season Phone: 989-684-3020

Amenities include: until further notice, Au Gres shall be a harbor-of-refuge without any amenities or on-site staff.

All slips are non-reservable and are free on a first-come, first-serve basis.

If mooring at a slip, please report your stay to the Michigan DNR at 989-686-9619. If no one answers, please leave a voice mail with your name, cell phone number, boat name and registration number, home port, and dates of stay.

For those in boats entering from a foreign port or place, the Au Gres State Dock is NOT a Port of Entry into the United States. Please consult the US Customs and Border Protection (CBP) website for further information or call the nearest CBP office at 810-985-9972.

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