Gull Lake Marine - New & Used Boats Sales, Service, and Parts with locations in Coopersville and, Gull Lake Marine is a marine dealership with locations in Coopersville and Richland, MI. We sell new and pre-owned Tow Boat, Tritoon, Pontoon, Center Console, Bow Rider, Jet Boat, Kayak, Sail Boat and Paddle Boards from Boston Whaler, Hobie, JC Pontoons, Vernanda, Axis, Centurion, Chaparral, Harris, Malibu, Misty harbor, Robalo and Supreme with excellent financing and pricing options. Gull Lake Marine offers service and parts.