Welcome to the Occoquan Harbour Marina's  website. We are located in Northern Virginia on the Occoquan River. We offer a variety of amenities at our facility. Our in water slips have, floating docks with fresh water, electricity and access to Comcast cable and Internet service. We also offer lift slips. Some other amenities would include our gas dock, pump out station, 24-hour access to bathroom and showers, service department and supply store.