172 dive sites in Sardinia, Italy: 11 caves, 7 wrecks, 6 walls, 4 reefs, 2 shore dives, 1 pinnacle and 141 other sites.
Recorded maximum depths range from 7 m to 50 m (25 of 172 sites have a depth).
By level: 14 beginner, 4 intermediate and 10 advanced.