Liberty Island
Liberty Island has been owned by the federal government since 1801, first as a military installation and now as a national landmark. Statue of Liberty National Monument, Ellis Island and Liberty Island, listed on the National Register of Historic Places since 1966, encompasses land in both states, control of which is superseded by the United States.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 Liberty Island souvenir shops.