9 artificial reef dive sites in Spain.
By area: Canary Islands (3), Almería (2), Andalusia Region (1) and Málaga (1).
Recorded maximum depths range from 5 m to 26 m (8 of 9 sites have a depth).
By level: 8 beginner and 1 intermediate.
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.