Castelsardo is also a destination for food and wine tourism, at both regional and national levels.
Indeed, the city has a high number of restaurants compared to the number of its inhabitants.
Among the dishes to be mentioned in particular is the castellanese lobster: prepared with a sauce made with lobster eggs.
From the pastoral peasant tradition is the noteworthy roast suckling pig, which is probably the most famous Sardinian dish.
Finally, not to be forgotten are the culurgiones, the carasau bread, and the seadas: these are typical Sardinian dishes that can be enjoyed in the numerous farmhouses in the vicinity of Castelsardo.