Special bird protection areas (SBPAs):
- Archipelago of Cíes ES0000001(1988)
- Ons Archipelago ES0000254(2001)
- Marine areas of the Cíes, Ons and Salvora islands within SBPA-ES0000499 Marine area of the Galician Rías Baixas (2014)
Special Conservation Zones (SCZ):
- Law 5/2019, of 2 August 2019, on the natural heritage and biodiversity of Galicia; (DOG No 149, of 07/08/2019)
- Cíes Archipelago ZEC ES0000001 (archipelago of Cíes).
- Ons archipelago. Within the Ons-O Grove complex SCZ-ES1140004
- Salvora Archipelago. Within the Corrubedo wetlands complex SCZ-ES1110006
Special Protection of Natural Assets Areas (SPNAA):
- Cíes Islands: SPNAA-Cíes Islands
- Ons Island: Within the SPNAA Ons-O Grove complex
- Salvora Island: Within the SPNAA Corrubedo wetlands complex
OSPAR area:
- Convention for the Protection of the Marine Environment of the North-East Atlantic: Galician Atlantic Islands Marine-Terrestrial National Park (2008).
Ramsar Area:
- International Convention for the Protection of Wetlands of International Importance. Site Nº2453. Declared on 22 May 2021.