There are no hostels in Sassetta, but there are other types of accommodations...

Campo di Carlo Guesthouse is set amongst beautiful gardens, old trees and is near the famous Etruscan Coast, four kilometres from the town of Sassetta. Restored in perfect rustic style, the house offers hospitality in rooms (provided with mini bar, shower and toilet) from two to four beds in a well cared for environment, comfortable and perfect for even the most demanding clients.
A buffet breakfast is provided for all guests. However for those guests that prefer to cook for themselves...