Here are the Details of Sardinia.

When to go
Good May - Sep.
Marine Life
Typical Mediterranean under-sea life including gorgonia and spoonges.
Diving
Wrecks from surface level down to 70m, rock formations including the Washington Rock sea mount which rises from 30m to 6m.
Areas
Most diving is in the north of the island, including the islands of Madalena, Caprera, Santa Maria, Razzoli, Budelli and Spargi. Also the marine reserve of Levezzi between Sardinia and Corsica, and Washington Rock in the Strait of Bonifacio.
Cost
Cheap to Moderate
In Water
Full 5mm or 7mm wetsuit, or semi-dry.
On Land
Light clothing in summer; warmer clothes at other times.
Hazards
Strong Currents
Currency
The Euro
Electricity
220V
Visas
False
Info
www.enit.it