25 dive sites in El Hiero Island, Spain: 1 cave, 1 reef, 1 wreck and 22 other sites.
Recorded maximum depths range from 15 m to 48 m (11 of 25 sites have a depth).
By level: 7 beginner, 2 advanced and 1 technical.
Species confirmed at sites here by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.