39 wall dive sites in Italy.
Biggest areas: Sicily (7), Sardinia (6), Campania Region (4), Tuscany Region (3) and Olbia-Tempio (2).
Recorded maximum depths range from 2 m to 90 m (34 of 39 sites have a depth).
By level: 10 beginner, 9 intermediate, 11 advanced and 3 technical.
Species confirmed at these sites by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.