Long Island

American  

noun

1. an island in SE New York: the boroughs of Brooklyn and Queens of New York City are located at its W end. 118 miles (190 km) long; 12–20 miles (19–32 km) wide; 1,682 sq. mi. (4,356 sq. km).

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Long Island British  

noun

1. an island in SE New York State, separated from the S shore of Connecticut by Long Island Sound (an arm of the Atlantic): contains the New York City boroughs of Brooklyn and Queens in the west, many resorts (notably Coney Island), and two large airports (La Guardia and John F. Kennedy). Area: 4462 sq km (1723 sq miles)

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Long Island Cultural  

1. Island in New York state. Its western end is taken up by Brooklyn and Queens, two of the five boroughs that make up New York City.

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Example Sentences

However, I can’t say that the steep cost of a Fire Island weekend hasn’t been one of the primary factors keeping me from boarding the ferry and sloshing around the Long Island Sound.

From Salon • Jun. 18, 2026

Law-enforcement officials began investigating the Gilgo Beach killings more than 15 years ago, eventually uncovering at least 10 bodies across Long Island.

From The Wall Street Journal • Jun. 17, 2026

Back in New York City, an upmarket candy store company called BonBon now has five shops across Manhattan and Brooklyn, and another in the Hamptons on Long Island that opened last summer.

From BBC • Jun. 10, 2026

No. 8 at Riviera is called the “Lido” hole in reference to the split-fairway design inspired by the famous Lido course on Long Island, N.Y.

From Los Angeles Times • Jun. 3, 2026

They were named for lakes, great and small; for rivers, flowing south or east, and one was named for a sound, Long Island Sound.

From "The View From Saturday" by E.L. Konigsburg