Liberty Island the National Register of Historic Places since 1966, encompasses land in both states control of which is superseded by the United States. The undisputed boundary between New Jersey and New York is in the center of the Hudson River and the Upper New York Bay, with Liberty Island situated well on the New Jersey side of the water line with Liberty Island itself an exclave of the State of New York and a part of New York City, allowing the state and city of New York to retain sovereignty of Liberty Island, serve process there and collect sales tax from
Island Harbour Marina undisturbed. On the southern boundary of the marina land is a fairly large lake, which is currently unused. Road access to Island Harbour is via Mill Lane, which connects to North Fairlee Road (A3054). In Mill Lane, adjoining Island Harbour, is Binfield Farm. The farm has long been associated with Island Harbour and been in common ownership. The safe access times up the River Medina to Island Harbour, before and after High Water are as follows, depending on draught:- To stay in the deepest water, yachtsmen should steer straight for the green navigational buoy immediately off of the marina's holding