Islas Cíes in the Rias Baixas offers a diverse underwater landscape featuring reefs, walls, artificial reefs, and kelp forests. Located 14 kilometres from the shore, this site requires boat access and is suitable for beginners. Depths range from 2 to 40 metres, with an average of 15 metres. Divers should expect cool Atlantic waters between 14C and 16C, making a wetsuit necessary. Visibility typically fluctuates between 5 and 15 metres, and currents are moderate. Hazards include boat traffic, cold water, surf, and sea urchins. The site supports night diving, and local facilities include equipment rental, air fills, and guided tours.

Achondo Naufragio is a deep wreck dive located in the Rias Baixas, Spain. The site sits at depths between 25 and 39 metres in cold Atlantic waters, with temperatures ranging from 14 to 16 degrees Celsius. Divers must be prepared for moderate currents and variable visibility, which typically fluctuates between 5 and 10 metres. Due to the depth and potential for changing conditions, this site is suitable only for advanced divers. Access is strictly by boat, and divers should plan their profiles carefully to manage no-decompression limits. A drysuit or thick wetsuit is recommended for the cold water, and a dive torch is useful for navigating the structure.

Ivy is a reef dive located off the coast of Galicia in the Rias Baixas. The site features a structured underwater landscape that ranges in depth from 12 to 20 metres, making it suitable for beginners looking to build confidence. Divers access the reef via boat. Conditions include moderate currents and visibility typically between 5 and 10 metres. Water temperatures fluctuate between 14 and 17 degrees Celsius throughout the year, so a 5mm wetsuit with a hood is advisable. As there are no dedicated on-site facilities, divers should check locally for boat charter options before travelling.

Batea Cabezos in the Rias Baixas is a reef and wall site featuring a sandy bottom adjacent to a rocky bed. The site reaches a maximum depth of 16 metres and is suitable for beginner divers. Access is exclusively by boat. Divers should be prepared for water temperatures ranging between 14C and 17C throughout the year. Due to these low temperatures, there is a risk of hypothermia, and appropriate thermal protection is required. The site experiences mild currents, providing a manageable environment for those exploring the varied topography of the reef and wall structures.

Pecio Maracaibo is a wreck dive located in the Rias Baixas, Spain, resting at depths reaching 24 metres. This boat-accessible site features a muck-bottom environment and is suitable for intermediate divers. Conditions include mild currents and visibility ranging from 3 to 15 metres. Water temperatures fluctuate between 14 and 17 degrees Celsius throughout the year, necessitating appropriate thermal protection. Divers should exercise caution regarding entanglement risks when navigating the wreck's interior and exterior structures. The site is also suitable for night diving, where the use of a torch is recommended to explore the darker recesses of the vessel.

Aldan in the Rias Baixas, Spain, offers a diverse underwater environment featuring reefs, walls, and artificial reefs, alongside wreck sites. Suitable for beginners, the site reaches depths between 15 and 40 metres, with an average depth of 15 metres. Divers can access the water via shore or boat, experiencing mild currents during typical 60-minute dives. The site is equipped with full facilities, including a dive shop, equipment rental, air fills, and boat charters. Night diving is available for those interested in exploring after dark. Be aware that low visibility is a potential hazard at this location. Water temperatures remain cool, ranging from 14C to 16C throughout the year.

Pecio Isurus is a well-preserved fishing vessel that sank in January 2003. Resting at a depth of 40 metres, the wreck features a distinctively bent propeller caused by its impact with the rocky seabed. This site is strictly for advanced divers, with recommendations for those experienced in using Nitrox, Trimix, or rebreather systems. Access is exclusively by boat. Divers should be prepared for challenging conditions, including strong currents and visibility ranging from 3 to 9 metres. Water temperatures are cool, typically between 14C and 16C. Due to the depth and current, this site presents significant hazards including nitrogen narcosis and requires careful planning.

Cabo Udra is a dive site located at the boundary between the Ría de Pontevedra and the Ría de Aldán. The topography consists of a reef featuring large, rounded rock formations, steep drops, and uneven terrain. Beyond the rock walls, the seabed transitions to sand. Divers typically encounter depths ranging from 8 to 30 metres, with an average depth of 15 metres. Access to this site is by boat, located 500 metres from the shore. Conditions include moderate currents and visibility between 3 and 10 metres. Water temperatures remain between 14 and 16 degrees Celsius throughout the year. This site is suited for intermediate divers.