Gantry Plaza State Park is a 12-acre state park on the East River in the Hunters Point section of Long Island City, in the New York City borough of Queens. The park is located in a former dockyard and manufacturing district, and includes remnants of facilities from the area's past. The most prominent feature of the park is a collection of gantries with car float transfer bridges, which in turn were served by barges that carried freight railcars between Queens and Manhattan.