New Boats for Sale

We sell new Sea Ray, Boston Whaler & Premier Pontoon boats. See our inventory online.

Used Boats for Sale

We offer Pre-Owned and Brokerage Sales; Trade In and Brokerage Service.

Boat Repair, Service & Parts

Our factory certified pros deliver top notch boat maintenance. See a full list of our services.

Boat Slips & Storage

86 covered boat slips, 51 uncovered on Clam River and Torch Lake. Winter storage available.

Docks & Hoists for Sale

We sell high quality dock systems from Twin Bay Docks, Shore Station & Sea Legs Lifts

Pontoon Boat Rental

Dewitt Marine offers several boats for rental. Get the most out of Northern Michigan.


Welcome to Dewitt Marine. Located at the mouth of Clam River on Torch Lake in Northern Michigan, Dewitt Marine is your destination for all things boating.

Surrounded by Northern Michigan's beautiful "Chain of Lakes", Dewitt Marine provides easy access to many lakes and rivers including Torch Lake, Elk Lake, Skegemog Lake, Clam Lake or Bellaire Lake plus three different rivers! Click here to see our list of area links.

Whatever your Northern Michigan boating requirements might be, Dewitt Marine can meet those requirements in ways that will make you want to come back to see us again and again.

No boat trip to Clam River or Torch Lake would be complete without a stop at The Clam Shack. Purchase gas for your boat and load up on snacks, drinks and suntan lotion for your day on the water. We offer easy dock access, just pull your boat up to the gas pump. Click here for more info.