Stony Island is an island in the eastern end of

Lake Ontario Lake Ontario is one of the five Great Lakes of North America. It is bounded on the north, west, and southwest by the Canadian province of Ontario, and on the south and east by the U.S. state of New York. The Canada–United States border sp ...

. It is located in

Jefferson County, New York Jefferson County is a county on the northern border of the U.S. state of New York. As of the 2020 census, the population was 116,721. Its county seat is Watertown. The county is named after Thomas Jefferson, third President of the United Stat ...

. The island covers . Originally, the island was covered by a large

cedar Cedar may refer to: Trees and plants *''Cedrus'', common English name cedar, an Old-World genus of coniferous trees in the plant family Pinaceae *Cedar (plant), a list of trees and plants known as cedar Places United States * Cedar, Arizona * ...

trees. It was cleared for farming in the 19th century but is now largely wooded again. Most of its land area is currently owned or leased by the Phillips 66 Company (formerly Phillips Petroleum Company).

References

{{authority control Islands of Jefferson County, New York Islands of Lake Ontario in New York (state)