Big Water Marina is a full service facility complete with ship's store for your nautical needs. We offer boat brokerage, boat storage, slips, a launch ramp, gas dock, repair yard, active sail club, and rental boats for fun filled adventures on Lake Hartwell. Come enjoy the fun of boating on one of the largest open expanses of water in the Southeast. For the sailing enthusiast, a very active sail club provides opportunities to race, cruise, and socialize.. Boat Rentals,Fuel & Oil Slips,Boat Brokerage,ASA Sailing School,Repairs