Cerdeiras Beach is situated at the mouth of the Rio das Mestas, creating an environment where river and sea waters converge. This site is suitable for advanced snorkelers due to frequently turbulent water conditions. Visibility at the site can be variable, often influenced by sediment carried by the river. Access to the water is via a shore entry. Water temperatures fluctuate throughout the year, ranging from 13C in the winter months to 19C during August. Given the challenging conditions and variable visibility, this location is rated 2 out of 5 for snorkeling.

Cala Burbullas is a rocky reef site situated in the Ensenada de Esteiro near Cedeira. This marine location is accessible via a shore entry and is suited for intermediate divers and snorkellers. The site is characterised by strong currents, which require careful planning and experience. Water temperatures are cool, ranging from 13°C in late winter to 19°C in August, necessitating a 4-5mm wetsuit for thermal protection. Typical dives at this location last approximately 30 minutes. Due to the exposed nature of the coastline, conditions can vary, and the strong currents remain a primary hazard for those visiting the area.

Cala Mi Señora is a rugged cove located at Punta de la Robaleira near Cedeira. This reef site features a topography of sandy patches interspersed with rocky crevices. Access is via a shore entry, and the site is suited for intermediate snorkellers due to the presence of surf. Water temperatures are cool, ranging from 13C to 19C throughout the year, making a wetsuit strongly recommended for comfort. Currents at this location are typically mild. As a coastal environment, the site offers a varied underwater landscape for exploration.

Cala Sonreiras is a sheltered reef located in the Ría de Cedeira, Spain. This site is protected from the main Atlantic swell, providing a calm environment suitable for beginners. Divers and snorkellers access the reef directly from the shore. Water temperatures are cool, ranging from 13°C to 19°C throughout the year, and a neoprene suit is recommended for comfort. Parking facilities are available near the site. The topography consists of a rocky reef structure, which is a local favourite for observing the marine environment.

Area Longa is a sheltered reef site located near the port of Cedeira in A Coruna, Spain. The site features rocky edges near the breakwater that provide a habitat for juvenile fish and small crustaceans. With mild currents and calm conditions, it is suitable for beginners and offers shore access. Water temperatures range from 13C to 19C throughout the year, requiring a 4mm or 5mm wetsuit for comfort. Facilities at the site include parking and showers. It is a practical location for both diving and snorkelling, with a snorkel rating of 3 out of 5.

Praia da Madalena is the primary urban beach in Cedeira, Spain, offering a sheltered environment for snorkelers. The site features a sandy bottom with shallow depths ranging from 1 to 5 metres, averaging 3 metres. It is suitable for beginners practising basic skills in calm conditions. Access is directly from the shore, and the site includes facilities such as parking, toilets, and showers. Visibility is generally around 5 metres. Be aware that surf and rip currents can occur at this location. Water temperatures fluctuate throughout the year, reaching a high of 19C in August and a low of 13C in February and March.

Praia de Teixidelo is a unique site featuring the only non-volcanic black sand beach, situated at the base of the highest cliffs in continental Europe. This marine location is suited for advanced divers only, as the environment is defined by deep water, significant surf, and strong currents. Due to the wild nature of the open ocean, entry is via the shore and requires careful planning. Snorkelling is rated as hazardous and is generally not recommended at this site. Water temperatures fluctuate between 13C and 19C throughout the year, reflecting the exposed and dynamic conditions of this coastal area.

San Xurxo in A Coruna, Spain, features a rocky reef topography defined by large granite blocks and deep crevices. Located at the western point of the beach, this site offers a sheltered area for snorkelling. The water depth ranges from 5 to 15 metres, with an average of 7 metres. Snorkellers should be prepared for cold Atlantic waters and potential rip currents. Facilities at the site include parking, toilets, showers, and a rinse station. The habitat supports a variety of temperate marine life, including reef fish and invertebrates typical of the region. This site is best suited for intermediate snorkellers due to the variable conditions.