Gainesville Marina are a premier boat dealer in Gainesville and Buford, GA, offering a spectacular array of water craft that are sure to send you out on your next adventure in style. We offer a range of services for our Lake Lanier water lovers, and act as not only your boat brokers of Gainesville but also a public marina. Schedule a Test Ride on your favorite boat. Address Company: Gainesville Marina, 2145 Dawsonville Hwy, Gainesville, GA 30501, Phone: (770) 536-2171.