Mapleton Marine is a locally owned and operated boat, pontoon, dock and boat lift sales and service that has been in business for 30 years. Mapleton Marine takes pride in customer satisfaction in both sales and service. Whether you’re shopping for a new or used pontoon, boat, motor, trailer, dock or a lift, we hope you’ll check us out today. Conveniently located just 15 miles south of Mankato on Highway 22 in Mapleton, Minnesota.