Mill Rock

Mill Rock is a small unpopulated island between Manhattan and Queens in New York City, in the state of New York. It lies about off Manhattan's East 96th Street, south of Randalls and Wards Islands, where the East River and Harlem River converge. The island forms Census Block 9000 of Census Tract 238 in New York County. (Except for Mill Rock Island, Census Tract 238 consists entirely of Roosevelt Island.) Its official area is 16,173 square meters, or .