Treasure Island to Get $130 Million ‘Green’ Light Over Hudson River Treasure Island, a proposed floating island oasis over the Hudson River, will be buil[...] November 21, 2014 / Keith Flamer / Tags: Barry Diller, bridge, Diane von Furstenberg, floating island, Hudson River, Hudson River Park, manhattan, Mathews Nielsen, New York, New York City, oasis, Thomas Heatherwick, Treasure Island