Isla de Rua features a reef and wall structure located in the Atlantic waters of the Rias Baixas. The site reaches depths of 15 to 20 metres, with an average depth of 15 metres. It is suitable for beginner divers due to the absence of currents, providing a stable environment for buoyancy practice. Access is by boat only. Visibility is variable, ranging from 10 to 30 metres, and water temperatures fluctuate between 14 and 17 degrees Celsius throughout the year. Divers should be aware of potential low visibility and maintain close proximity to their guide or group. A torch is recommended to assist with navigation along the wall.

The Pecio Aries is a cargo ship wreck located in the Rias Baixas, Spain. The vessel sank in 1977 after colliding with the As Lobeiras Chicas shoal and now rests upright on a sandy seabed. Divers can explore the complete structure of the ship, which lies at depths between 14 and 21 metres. Access to this site is by boat only, located approximately 3218 metres from the shore. Conditions at the wreck are variable, with moderate currents and visibility ranging from 3 to 15 metres. Due to the potential for low visibility and strong currents, this site is recommended for intermediate divers.

Praia da Illa is a shore-entry reef dive located in the Rias Baixas region of Spain. The site features a reef structure at depths ranging from 9 to 14 metres, with an average depth of 11 metres. It is suitable for beginner divers, offering mild currents and visibility between 10 and 30 metres. Water temperatures are cool, typically ranging from 14 to 17 degrees Celsius. Divers should be aware of potential rip currents near the entry point and assess local water movement before descending. On-site showers are available to assist with post-dive comfort in the cooler Atlantic waters.

Encontrada is a reef site located in the Rias Baixas region of Spain. The site features a depth range between 7 and 9 metres, with an average depth of 8 metres. Divers should be prepared for variable conditions, as visibility ranges from 10 to 30 metres. The water temperature fluctuates between 14C and 17C throughout the year. Due to the nature of the environment, potential hazards include cold water, low visibility, and strong currents. This site is suitable for beginner divers.

Cala de Agronovo is a secluded cove located in the Rias Baixas region of Spain. This site is accessed via the shore and is rated highly for snorkelling activities. The water temperature at this location ranges from 14C to 17C throughout the year, with the warmest conditions occurring between June and September. Due to the nature of the environment and the shore entry, this site is best suited for intermediate snorkellers. The area is known for its underwater landscapes, though specific marine life observations are not recorded for this location.

Pedra do Farol is a shore-entry reef dive located in the Rias Baixas, Spain. The site features a natural reef structure at depths ranging from 10 to 18 metres. It is well-suited for beginners due to the absence of current, allowing for a relaxed exploration of the reef. Divers should be prepared for water temperatures between 14 and 17 degrees Celsius, necessitating a thick exposure suit. Visibility is variable, ranging from 10 to 30 metres. Hazards include boat traffic, cold water, and potential entanglement risks. Divers are advised to remain vigilant at the surface and stay close to the reef structure during their dive.

Cavalino Sur is a marine wall dive site located in the Rias Baixas region of Spain. The site features a wall topography with depths ranging from 6 to 20 metres, averaging 20 metres. Access to the site is exclusively by boat. Visibility at this location typically ranges between 10 and 30 metres. Water temperatures are consistent with the region, fluctuating between 14C and 17C throughout the year. Due to the nature of the terrain and depth, this site is suited for intermediate divers.

Baixo Lusquinos is a reef site located in the Rias Baixas, Spain. The site is shallow, with an average depth of 8 metres. Conditions at this location are variable, with visibility typically ranging between 3 and 9 metres and moderate currents. Divers should be prepared for cold water temperatures, which fluctuate between 14C and 17C throughout the year. The site is suitable for beginner divers. As a reef environment in this region, the habitat supports a variety of temperate marine life, including reef fish and invertebrates, though specific sightings are not confirmed.