The underground village is a section of the Punic necropolis of Sulky, the ancient Phoenician-Punic name of Sant'Antioco. Starting from the eighteenth century, with the repopulation of the island of Sant'Antioco, numerous Punic tombs were used as dwellings (is gruttas) by the poorest classes of the country (is gruttaius).

The Ethnographic Museum "Su magasinu de su binu" is housed in a typical warehouse with adjoining courtyard portico (lolla). The museum's exhibition shows the tools used in the past for the development of various trades. The sections of the exhibition are various : from the steps of bread-making process to those of viticulture and winemaking, until the more traditional craftmanship such as cooper.