Shadmoor State Park is a 99-acre (40 ha) state park located in Suffolk County, New York in the USA. Created in 2000, the park is located in Town of East Hampton on the South Fork of Long Island, one quarter-mile east of Montauk village. The park features more than 2,400 feet of beach along the Atlantic Ocean. Shadmoor is maintained by the Long Island Region of the New York State Office of Parks, Recreation and Historic Preservation.