172 dive sites in Sardinia, Italy: 11 caves, 7 wrecks, 6 walls, 5 reefs, 2 shore dives, 1 pinnacle and 140 other sites.
Recorded maximum depths range from 7 m to 50 m (21 of 172 sites have a depth).
By level: 14 beginner, 10 advanced and 2 technical.