A beautiful, quiet marina located close to the entrance of the Occoquan River. Belmont Bay Harbor is the closest marina to the Potomac River on the Occoquan. Situated within a break-water and no-wake zone, this marina, with its fuel dock, is only minutes from the Potomac River by boat. Positioned within a quiet, upscale residential community development and waterfront nature preserve with local amenities. Belmont Bay Harbor is a secure, gated marina with premium floating docks, decked with IPE hardwood. We offer clean restroom and shower facilities for the marina patrons. If approaching after 5 PM closing time for a reserved transient slip, please contact the Harbor Master in advance for docking instructions. Transient reservations can be made through Dockwa.com. We look forward to your arrival.