Buying a home in Watertown, South Dakota does not have to be difficult - Homes.com makes home buying a breeze. With 1 homes for sale in Watertown, South Dakota, you can search by price, bedrooms, neighborhood, and even by property type. Search Watertown homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Watertown school data, neighborhood information, find Watertown real estate agents, and research home values in Watertown, SD. Homes.com has everything you need but the house keys.