The Harbor at Newville, established in 1979, is the areas boating headquarters for all your boating needs! Located on the Rock River and Lake Koshkonong in Newville, WI, you can find us between Milton and Edgerton. We service and sell many types of boats including Manitou Pontoons and Crestliner Boats, and Honda, Suzuki, Mercury and Evinrude E-Tec outboards. We also sell many boating products and accessories. Stop in today!