Rock River Marina's Parts and Service Department dedicates their time and skills towards providing any part repair or replacement to support customer needs. We are a registered Service Dealer for Mercury, Mercruiser, Yamaha, and Sea-Doo. We service, as well as sell new/used, parts from numerous manufacturers. Our technicians are trained to service our products as well as two-stroke motors and 4-stroke motors. With over 10 years of Service for the Rock River/Lake Koshkonong area, Rock River Marina has the experience and knowledge to meet your service needs. In 2009, Mercury awarded Rock River Marina their "2009 Mercury CSI Service Award" that only a select number of dealers received. Our Service Department provides outstanding yearly maintenance for seasonal services and service work at any time of the year. Whether it's parts or service work, Rock River Marina Service Department can help find what you are looking for.