Established in 1963 and located on beautiful Portage Lake, Onekama Marine, Inc. is a family owned and operated marine facility offering dockage at 4 locations, summer and winter storage, full mechanical service and sales of new and pre-owned boats. Our Lake Michigan Yacht Sales office conveniently located in Bay Harbor also offers new and pre-owned sales along with a fully stocked ship store.  We are proud to represent the quality lines of Riviera Yachts, Monterey Boats, Belize Motoryachts, Rampage Sport Fishing Yachts, Premier Pontoons and Evinrude Outboards.  Help us celebrate our 50th Anniversary this year!