WAUKEGAN HARBOR, ILL. — TopSide Marinas has acquired Larsen Marine, a 16-acre boatyard and full-service marine facility in Waukegan Harbor, a city along Lake Michigan. The purchase price was undisclosed. Larsen Marine services 850 boats annually and features a service center. TopSide Marinas is the first company to acquire the family-owned marine facility since the Larsen family opened its business in 1933. TopSide Marinas, launched in 2021, has acquired three other marinas in Oklahoma and Texas.