SSI dive center established in 1992 at the marina in Ribeira (A Coruña), with direct access to the Rías Baixas and the Atlantic Islands National Park of Galicia. The center features complete facilities including changing rooms, showers, equipment rinsing area and a dedicated dive boat. It offers courses at all levels under SSI standards, from discover scuba diving to specialties such as underwater photography. Dives are primarily conducted in the Ría de Arousa and the Atlantic Islands, an area known for its rich marine biodiversity. Hydronauta collaborates with marine fauna research projects and offers year-round diving, adapting to the Galician Atlantic coast conditions.