This bare, rocky island 10km off the coast owes its strange name (Stomach-ache Island) to the sea-sickness that sailors often suffered whilst navigating its windy waters. Now uninhabited, it was home to a primitive nuraghic settlement and was later used by Saracen pirates. These days, the only people to visit are holidaymakers keen to search out the beaches on its eastern shores.
To get to the island, Maremania is one of several operators running boat tours from Putzu Idu between June and September.