Belle Terre is a village in the Town of Brookhaven in Suffolk County, on the North Shore of Long Island, in New York, United States. The population was 792 at the 2010 census.

The peninsula upon which the community of Belle Terre is situated has been known as Mt. Misery before the 17th century. Before Belle Terre’s enlightened existence, the Place was referred to as Mt. Misery Point. By comparison, the demean portion of the peninsula, which is currently a section of the against village of Port Jefferson, was referred to as Mt. Misery Neck.

Throughout the 1700s and 1800s, the bulk of the peninsula was owned by the Strong family, who had their Oakwood house in its Mt. Misery Neck section. The first known house in contemporary Belle Terre was a shack build up by an African-American dotingly known as Uncle Mott in the 1800s. This home was the subject of a painting by local player William Moore Davis.

In 1902, the Port Jefferson Company purchased the Oakwood home with the seek of creating an exclusive waterfront increase of fifty houses to rival the communities of Long Island’s standard Gold Coast. The well-connected real-estate developer, Dean Alvord, was chosen as president of Belle Terre’s estates, which was incorporated in 1906. The construction of the Belle Terre Club, a grandiose private members club at the center of the community, also occurred in 1906. A pair of stately pergolas were constructed as well, which overlook the waterfront.