Frentess Lake Marine Center is a full service marina providing Iowa, Illinois and Wisconsin, a great selection of new and used boats including Manitou pontoons and Monterey bowriders, sport boats & cruisers. We are a Evinrude etec dealer as well as Volvo and Mercruiser. We are also your source for boat docks and lifts specializing in EZdock and Hydro hoist lifts and installation of any kind. We also have a full service department with ample parts in stock and are able to work on all engines evinrude, mercury, mercruiser, Volvo , and Omc. We have the largest marina in the tri state and offer all services from boat storage to winterization. We also provide quality boat & outboard repairs to the top brands in the industry. We have nearly 400 rental slips that can be rented by the season and a fully stocked gas dock. Stop by our boat dealership today for all your boating needs! We also can sell your boat for you please let us know what you have and we can get to work to sell your boat for you.