The Castello Dragone, built onto the sheer rock face near the harbor, is home to the Acquario (Aquarium), which has tanks filled with local marine life built into the ramparts.
Cost:
EUR 3
Open:
May-Sept., daily 10-noon and 3-7; Oct.-Apr., Fri.-Sun. 10-noon and 2:30-6, Tues.-Thurs. 10-noon