About Mackinac Island State Harbor
Mackinac Island State Harbor, located at 6927-6999 Lake Shore Dr, Mackinac Island, MI 49757, United States. Harbor reservations through the Michigan Department of Natural Resources strongly advised. https://midnrreservations.com/ Transient and seasonal slips available. Radio channel: 9. Season dates mid-May to mid-October. Off season phone: 906-643-8620. The Mackinac Island State Harbor is a designated Michigan Clean Marina. Amenities: •water •electricity (30 & 50-amp) •restroom •showers •pump-out •ice •dog run •day use dockage •grills/picnic tables •wifi/internet •refuse receptacles •recycle bins •U.S. Customs check-in Off Season phone: 231-627-9011 the customs clearance process at Mackinac Island State Harbor: Reporting Arrival: Boaters must report their arrival to U.S. Customs and Border Protection (CBP) using the Outlying Area Reporting System (OARS) video phone, which is available 24/71 You'll need to have approved Western Hemisphere Travel Initiative (WHTI) travel documents Video Phone: The OARS video phone allows you to communicate with CBP officers, show your documents, and receive a clearance number This number should be recorded in your ship's log. Inspection: Your vessel may be inspected by CBP officers to ensure compliance with all regulations. Contact Information: You can contact CBP via the OARS video phone at any time, and additional information can be found on the CBP website.


Facilities
Port Information
Telephone
Berth Sizes
Depth at MLW
Manoeuvrability
Channel Marking
VHF Channel
Port of Entry
Overseas Visitor Berths
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Style Side To
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Active Winter
Weather Forecast
- NW 5 knots increasing to 11 knots. Gusts up to 17 knots.
- −2°C
- W 0.4m at 2s period
- Cloudy
- NW 14 knots increasing to 24 knots. Gusts up to 32 knots.
- Decreasing from −2 to −7°C
- NW 0.4-1.0m at 3s period
- UV Index: 1 - Low
- Cloudy
- NW 18–24 knots. Gusts up to 29 knots.
- Decreasing from −8 to −12°C
- NW 1.1m at 3s period
- UV Index: 1 - Low
- Cloudy