World Class Fishing is what you get when you come to Middle Channel Marina on  Harsens Island.  Lake St Clair is known for World Class Muskie, Walleye, Bass, Sturgeon, etc. 

   There's much to see here. So, take your time, look around, and learn all there is to know about us. We hope you enjoy our site and take a moment to drop us a line.

Harsens Island

Middle Channel Marina (formerly Minnich's Boats & Motors) located on beautiful Harsens Island in St Clair County.  A peaceful oasis where you step back in time to a much simpler lifestyle.  We offer slip rental to outlying island residents, pontoon, kayak, jet ski and fishing boat rentals.

Bait & Tackle

If your looking for live bait and tackle to enjoy the World Class fishing here we have you covered.  Visit our tackle shop for all your fishing needs.


Visit our marina store for convenience items, beer, grocery and snacks.  The candy section for the kids is the most popular aisle in the store!

About Us

Cruise. Fish. Relax.

Enjoy a beautiful day on the water with one of our rentals! We have Kayaks, Paddle Boards, Canoe's Pontoons, Jet Ski's & Fishing Boats. 

Need anything for your trip?

We have Snacks, Ice Cream, Subs, Pizza Slices, Drinks, Beer & Wine, Fishing Tackle, Live Bait and NO Ethanol Marine Fuel

Seasonal Slips

Seasonal Slips are available for outlying island residents.  We are currently sold out of slips but you may contact us to be added to the wait list


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Contact Us

Middle Channel Marina

7858 Middle Channel Drive, Harsens Island, Michigan 48028, United States

(810) 748-3400 between 8am and 8pm leave message if we should miss you. We will call you back ASAP