List of smaller islands in New York City explained

In addition to the three principal islands of New York City—Manhattan Island, Staten Island and part of Long Island—each borough contains several smaller islands. New York City contains about 36 to 42 islands in total.^[1]

The Bronx

Hunter Island, no longer an island, part of Pelham Bay Park
Twin Island, no longer an island, part of Pelham Bay Park
Goose Island, Hutchinson River, part of Pelham Bay Park
North Brother Island (East River)
South Brother Island (East River)
Pelham Islands, historical name for a group of mostly uninhabited islands in western Long Island Sound
- The Blauzes
- Chimney Sweeps Islands
- City Island, only inhabited island in the borough
- Hart Island
- High Island
- Rat Island
Rikers Island (East River), location of New York City's jail

Brooklyn

Canarsie Pol, uninhabited, 222acres island in Jamaica Bay
Coney Island, no longer an island
Prospect Park Lake islands,
- Chaim Baier Music Island
- Duck Island
- Three Islands
Mau Mau Island (also called White Island), located in Marine Park
Ruffle Bar (Jamaica Bay)

Manhattan

Manhattan Island
Ellis Island (New York Harbor), shared with New Jersey
Governors Island (New York Harbor)
Liberty Island (New York Harbor)
Mill Rock (East River)
Randalls, Wards, and Sunken Meadow Island, joined by landfill (East River)
Roosevelt Island (East River)
U Thant Island, legally Belmont Island (East River)

Queens

Hog Island, destroyed
Prince of Wales Island (Jamaica Bay)
Rulers Bar Hassock, home to Broad Channel (Jamaica Bay)
Ruffle Bar (Jamaica Bay)
Subway Island / Winhole Hassock (Jamaica Bay)

Staten Island

Isle of Meadows (Arthur Kill)
Prall's Island (Arthur Kill)
Shooters Island (Kill van Kull), shared with New Jersey
Hoffman Island (Lower New York Bay)
Swinburne Island (Lower New York Bay)

Notes and References

Web site: New York's Treasure Trove of Tiny Islands. 11 October 2011.