Buying a home in West Islip, New York does not have to be difficult - Homes.com makes home buying a breeze. With 139 homes for sale in West Islip, New York, you can search by price, bedrooms, neighborhood, and even by property type. Search West Islip homes for sale, foreclosures, MLS listings, and more. Make an informed decision with West Islip school data, neighborhood information, find West Islip real estate agents, and research home values in West Islip, NY. Homes.com has everything you need but the house keys.