Location - Off the southern coast of Galicia. They are made up of four archipelagos, Cortegada and Sálvora in the Ría de Arousa, Ons, facing the Ría de Pontevedra and the Cíes, closing the Ría de Vigo.
Area - 8,332.80 hectares (1,194.80 hectares of land and 7,138 hectares of sea). Specifically: Cíes (2,658 hectares of sea and 433 hectares of land), Ons (2,171 hectares of sea and 470 hectares of land), Sálvora (2,309 hectares of sea and 248 hectares of land) and Cortegada (43.8 hectares of land).
Access - Regular passenger transport service by sea to the Cíes from the port of Vigo, Baiona and Cangas during the high season. There is the same service to Ons from Portonovo, Sanxenxo, Bueu and Marín. Services of a guide to Cortegada from Carril (Vilagarcía de Arousa). Sálvora has no transport service by sea, and access to it is restricted.
Services - Accommodation: only on the Cíes and Ons. Food: only the Cíes and Ons have a restaurant service.
More information - National Park headquarters: c/ Eduardo Cabello s/n, Edif. CETMAR, Bouzas (Vigo). Tel: +34 986246550.