Is Long Island part of New York City?

Montauk Point Lighthouse overlooks the Atlantic Ocean from the easternmost tip of Long Island, where rugged bluffs meet the sea. First commissioned by President George Washington in 1792 and placed into service in 1796, the historic lighthouse remains New York State's oldest and continues to serve as one of Long Island's most iconic landmarks and enduring symbols of the East End. — Montauk Point Lighthouse overlooks the Atlantic Ocean from the easternmost tip of Long Island, where rugged bluffs meet the sea. First commissioned by President George Washington in 1792 and placed into service in 1796, the historic lighthouse remains New York State’s oldest and continues to serve as one of Long Island’s most iconic landmarks and enduring symbols of the East End. File photo: Haveseen, licensed.

Long Island is geographically part of New York State and includes four counties: Brooklyn (Kings County), Queens (Queens County), Nassau County, and Suffolk County. Because Brooklyn and Queens are two of the five boroughs that make up New York City, part of Long Island is within New York City. However, when most people refer to “Long Island,” they are usually talking about Nassau County and Suffolk County, which are separate from New York City.

In Short

Yes and no. Geographically, Brooklyn and Queens are located on Long Island and are part of New York City. However, Nassau County and Suffolk County are not part of New York City, even though they are also located on Long Island. In everyday conversation, “Long Island” almost always refers to Nassau County and Suffolk County rather than the entire island.

Is Long Island Part of New York City?

The answer depends on whether you’re referring to geography or government. From a geographic standpoint, Long Island is one continuous island that includes four counties: Kings, Queens, Nassau County, and Suffolk County. This means both Brooklyn and Queens are physically located on Long Island.

From a governmental standpoint, however, Brooklyn and Queens are boroughs of New York City, while Nassau County and Suffolk County are independent county governments outside the city’s jurisdiction. This distinction is why residents of Nassau County and Suffolk County generally do not consider themselves to live in New York City, despite sharing the same Long Island.

The confusion often arises because the phrase “Long Island” has two common meanings. Geographically, it refers to the entire island stretching from New York Harbor to the eastern tips of Montauk and Orient Point. In everyday use, however, “Long Island” almost always refers only to Nassau and Suffolk counties, excluding Brooklyn and Queens because they are part of New York City.

Understanding this distinction helps explain why maps, government agencies, and geography books include Brooklyn and Queens as part of Long Island, while local residents, businesses, and media outlets typically use “Long Island” to describe only the suburban portions of the island outside New York City.

Quick Facts

Category	Information
Geographically	Yes. Brooklyn and Queens are located on Long Island.
Politically	Brooklyn and Queens are boroughs of New York City, while Nassau County and Suffolk County are separate counties.
Common Usage	“Long Island” usually refers only to Nassau County and Suffolk County.
New York City Boroughs on Long Island	Brooklyn and Queens
Counties Outside New York City	Nassau County and Suffolk County
State	New York State

Conclusion

While Long Island and New York City are closely connected, they are not the same thing. Geographically, Brooklyn and Queens are part of Long Island, but politically they are two of New York City’s five boroughs. Meanwhile, Nassau County and Suffolk County remain separate from New York City, giving Long Island its unique identity as both an extension of the nation’s largest city and a distinct region with its own communities, history, and culture.