The Aragonese castle it stands out of the sea, detached from the rest of the island. It still maintains, a strong bond with the island, it connect by a bridge built in 1438 by Alfonso I of Aragon.
The castle overlooking the sea, was built as a ca strum in 474 B.C. by Jerome of Syracuse, and, after a long period it was abandoned. Under the Aragonese dynasty, it became a political and cultural center of notable interest.