The Pelham Islands are a group of islands in western Long Island Sound that belonged to Thomas Pell in the 17th century. The islands, and most of the surrounding area, were purchased from the Siwanoy Indians by Pell in 1654, creating Pelham Manor. This large tract of land would eventually become the present-day Town and Village of Pelham and Pelham Manor, Town of Eastchester, cities of New Rochelle and Mount Vernon in Westchester County, and the Pelham Bay and Eastchester neighborhoods of the Bronx in New York City. Several of the Pelham Islands became part of New Rochelle after Jacob Leisler’s purchase of from the Pell family in 1688. The remaining islands became part of Bronx County in 1895 with the establishment of the current Westchester-Bronx County line. Islands The Blauzes - a pair of small islands in City Island Harbor made of Manhattan schist bedrock. Chimney Sweeps Islands - a pair of small, uninhabited islands made entirely of bedrock. The islands were acquired by the City of New York on April 29, 1939, and are now part of Pelham Bay Park. City Island - originally known as “Great Minnefords”, the 235 acre island is the largest of the group. Before the Revolutionary War, Benjamin Palmer renamed it "City Island" as part of his plans to create a great port city. The onset of the Revolutionary War brought an end to those plans. It remained part of the Town of Pelham until June 6, 1895, when the present boundary line between Westchester and Bronx Counties was established, placing City Island within Bronx County, City of New York. Davids Island - a 78-acre island in New Rochelle. The island has been used as farmland by the early Huguenot settlers, a military hospital for injured Civil War soldiers, a U.S. Army Fort (Fort Slocum), and a U.S. Army Air Defense Command "Nike" missile site during the Cold War. Goose Island - a series of rocky outcroppings located in New Rochelle Hart Island - originally known as “Little Minnefords”, the 101 acre island lies off the eastern shore of City Island, The federal government took possession of the island during the Civil War for use as a training facility. The City of New York purchased Hart Island in 1868 and has been used as a quarantine site for infected individuals during the Yellow Fever Epidemic, a reformatory for vicious boys, a home for