Lake Williamstown is a public 330 acre recreational lake and water reservoir. Public access is available to residents and visitors to enjoy the lake. Lake Williamstown Marina is located Boat Dock Road is located off of RT 489, Fairview Rd (859)823-0645. Boat ramp and boat docks for rent. At Lake Williamstown's 2 public self-service boat ramps, Summer Drive and Draper Drive, there is no charge and anyone launch and boat.