Erwin Marine Sales offers pontoons, boats, deck boats, runabouts, wake boats, ski/towboats, cruisers, houseboats and yachts, and more. Erwin Marine is a one-stop-shop for all your boating needs. We can service, store, supply parts for, finance, and insure any boat we sell and more. Erwin Marine Sales sells the best boat brands in the industry including Sea Ray, Cruisers, Cobalt, Bayliner, Harris, Centurion, and Supreme. We sell new and used freshwater boats on the Tennessee River, Cumberland River, and Ohio River with locations in Chattanooga, TN, and Huntsville, AL.