Simmons Island Marina is a quiet, protected marina operated by Great Lakes Yacht Sales that caters to powerboats only. For years, it has been our mission to provide boatloads of fun in the sun for Lake Michigan’s boating enthusiasts and summer visitors. If you are passionate about boating and enjoy spending time on the water with your family and friends, then Simmons Island is the place on Lake Michigan to make those special on-the-water occasions a reality. Our mission is to provide the boating community with personalized, professional and dependable service in an environmentally clean and inviting maritime atmosphere.
