What census-designated place is home to the Geissler Estate?
North Shore (Long Island):  The easternmost Gold Coast mansion is the Geissler Estate, located just west of Indian Hills Country Club in Fort Salonga, within the Town of Huntington. Fort Salonga, New York: Fort Salonga is a hamlet and census-designated place (CDP) in Suffolk County, New York on the North Shore of Long Island.
Fort Salonga