Get the latest on safety, news, water levels, local alerts and more from the State Emergency Operations Center.
With the longest U.S. freshwater coastline and 82 state-sponsored harbors, boating the Great Lakes brings endless opportunities. Put your next boating trip on the books with these helpful resources.
Michigan's harbors offer a variety of amenities and activities for both vacationers and staycationers. Whether you're looking to sleep on your boat or tie it off for the night, Michigan harbors have something to offer all boaters.
Visit Michigan State Park and Harbor Reservations website »
To find available slips, be sure to click on the "Harbor" tab. Then, enter your specific search criteria (dates, boat type, length, beam and draft).
Grayhaven State Harbor is now under DNR management. As we begin our first season of operations, please note the following updates for 2026. While transient slip reservations opened on March 15, please be aware that electrical service is unavailable this season. To book a slip or for any questions, please contact us at 313-269-2857.
See Michigan’s harbors and marinas from a whole new perspective! New aerial drone footage shows what it looks like to navigate from open water into the harbor and see the overall layout of the facility – a view that can aid in planning your arrival and navigating to your slip.
You're at risk by entering the water near a boat or dock powered by electricity.
Rip currents, high waves and other dangerous currents and wave conditions can occur in the Great Lakes.
Water levels forecast, weather and more from the U.S. Army Corps of Engineers.
