Buying a home in Islip, New York does not have to be difficult - Homes.com makes home buying a breeze. With 117 homes for sale in Islip, New York, you can search by price, bedrooms, neighborhood, and even by property type. Search Islip homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Islip school data, neighborhood information, find Islip real estate agents, and research home values in Islip, NY. Homes.com has everything you need but the house keys.