The island of silence. It owes its name to the flat territory just 29 metres above sea level. The existence of the maximum security prison (although it is now disused) has made this island inaccessible. It has been identified by the Park authorities as a high-protected island to safeguard bio-diversity both at sea and on land. It is populated by countless rare birds such as the Corsican Seagull and the Peregrine Falcon. The seabed is among the richest and most pristine in the Archipelago.

Offshore, it is possible to spot dolphins and Caretta Caretta turtles, rarely some Monk Seals too.

The island is forbidden to maritime transport, accessible only by guided tours authorised by the prison administration and the Park authorities.

Access, anchoring, stopping, sailing, fishing and diving are prohibited within 2 km from the coast.