Buying a home in Port Saint John, Florida does not have to be difficult - Homes.com makes home buying a breeze. With 433 homes for sale in Port Saint John, Florida, you can search by price, bedrooms, neighborhood, and even by property type. Search Port Saint John homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Port Saint John school data, neighborhood information, find Port Saint John real estate agents, and research home values in Port Saint John, FL. Homes.com has everything you need but the house keys.