Liberty Island the National Register of Historic Places since 1966, encompasses land in both states control of which is superseded by the United States.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
Grenadier Island, New York northern shore. The Grenadier Island Schoolhouse is located in the middle of the island. It has a single room with an outhouse situated behind it. In the early 20th century it had around 13 students. It was added to the National Register of Historic Places in 2012. The Humphrey farm house, also known as the "Carbide House", was a two-story home with a basement and an attic. The house has been abandoned for many decades, and has been gradually falling in upon itself for many years (as of 2014). Grenadier Island, New York Grenadier Island is a island located out