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The basics
- Address
- S. Main St, Marine City, MI 48039
- Phone
- (810) 765-8846
- Hours
- Free public day-use docking near the Belle River confluence; seasonal, no overnight harbor services.
By boat
- Dock space
- Free day-use wells and transient tie-up a few blocks from the Water Street shops and restaurants; no staffed harbor office, fuel, or utilities.
Last verified August 14, 2026