Great Lakes Marine is Michigan's largest wholesale distributor of waterfront equipment and trailers, with 2 warehouse locations in Grand Rapids and Gaylord. Since 1979 we've been proudly serving and growing our dealer network, which today spans both Michigan's lower & upper peninsula, as well as parts of northern Indiana and Ohio. Although a lot has changed in the last 40 years, our dealer mission has remained tried & true — supply innovative products for our changing industry, at reasonable prices that ensure your profitability, in a time frame that always meets your needs.