List of tallest buildings on Long Island

Long Island, New York, is not known for having many tall buildings. As a suburban region, residents and local governments have generally opposed proposals to construct tall buildings, to distinguish it from neighboring Queens and Brooklyn, which are geographically part of Long Island but are part of New York City. Most of the tallest buildings were constructed by government entities, who are exempt from local zoning regulations. Long Island has one building taller than 300 feet (91 m), the Stony Brook University Hospital tower, and at least four other buildings taller than 200 feet, including Nassau University Medical Center and the Alfonse M. D'Amato United States Courthouse. Long Island has no cluster of high-rises dense enough to create an urban landscape, although there are regions with a larger number of scattered high-rises. A number of non-building structures are also prominent, such as the 620-foot (190 m) stacks of the Northport Power Station. This article covers buildings in Nassau County and Suffolk County. Buildings in Queens and in Brooklyn are listed in their own articles, as the New York City boroughs are conventionally excluded from cultural definitions of Long Island.