About 20 minutes from Charlevoix, enjoy the crystal clear Caribbean-colored waters of Torch Lake. Located at the mouth of Clam River on Torch Lake, Michigan, Dewitt Marine is your destination for all things boating. From tritoon pontoon rentals to boat service/repair, to new and used boat sales, Dewitt Marine can make your Northern Michigan boating experience one to remember. Of course 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.