Sabrina Reefs is a boat-access reef located off Sao Miguel in the Azores. The site features a reef structure ranging from 5 to 16 metres in depth, with an average depth of 10 metres. Visibility typically spans 10 to 30 metres. Conditions include moderate currents, which vary with tides and seasons, and water temperatures ranging from 17C to 24C. The site is suitable for beginners and supports night diving. As there are no fixed facilities at the location, divers should confirm boat arrangements and current conditions with a local operator prior to departure.

Cabeços Ilhéu Mosteiros is a deep reef and drift dive site located 930 metres off the coast of São Miguel. Designed for advanced divers, the site features working depths between 25 and 29 metres. The defining characteristic is a strong current that requires careful planning and coordination with a boat skipper for entry and surface recovery. Visibility at the site fluctuates between 10 and 30 metres depending on prevailing conditions. Due to the depth and current, divers must manage air consumption and bottom time effectively. The site is accessible year-round, though current strength and direction can shift rapidly, necessitating a clear drift-and-surface plan before every descent.

The Mirrors is a volcanic reef and cave system located off the coast of Sao Miguel. The site features an arch and a pinnacle, with depths ranging from 7m at the shallowest point to 35m at the maximum depth. Divers should be prepared for moderate currents and potential surge when navigating the overhead environment of the cave. Access to this site is by boat only, as it is situated over 8km from the shore. With visibility typically between 15m and 30m, it is suited for intermediate divers. Night diving is also permitted at this location.

Porto das Capelas is a shore-accessible wall and reef site located in Sao Miguel, Azores. The topography features depths ranging from 3 to 20 metres, with an average depth of 6 metres. Divers experience moderate currents and highly variable visibility, which can fluctuate between 5 and 40 metres depending on Atlantic conditions. Entry requires careful timing to navigate the shore break and surf zone, where sharp rocks and coral are present. Sturdy boots are recommended for the shoreline. Parking is available on-site, and typical dives last approximately 45 minutes. The site is suitable for beginners, though the entry demands attention to wave sets.

Baixa do Espelho is a reef and cave site located 200 metres off the coast of Sao Miguel, Azores. Accessible only by boat, the site features depths ranging from 6 to 23 metres with an average of 15 metres. The topography includes a cavern that requires careful navigation, making it suitable for beginners when accompanied by a guide. Visibility varies significantly from 10 to 40 metres, and mild currents are typical. Water temperatures fluctuate between 17C and 23C throughout the year. Species recorded around this area include seahorses, common octopus, Mediterranean moray, European parrotfish, various wrasses, pufferfish, black moray, crabs, bluebottles, combers, bream, wide-eyed flounder, and Madeira rockfish.

Gaza is a wall and drift site located off Sao Miguel in the Azores. The wall extends from the surface to a depth of 18 metres, providing a clear view of the volcanic structure. Visibility is high, ranging from 15 to 40 metres, and currents are generally mild, making the site suitable for beginner divers and snorkellers. Access is by boat only. Divers should exercise caution regarding sharp volcanic rock during boat entry and exit, especially if swell is present. Water temperatures fluctuate between 17C and 24C throughout the year, so appropriate thermal protection is recommended.

Buraco de São Pedro is a wall dive located off São Miguel in the Azores. The site features a vertical structure that drops from 2 metres down to 30 metres. Divers and snorkellers should expect moderate currents and potential surge, particularly near the surface. Visibility is variable, ranging from 5 to 40 metres depending on local conditions. Access to this site is exclusively by boat, as shore entries are hazardous due to surf and shore break. Given the potential for intensifying currents and surge, divers should follow guide instructions for descent. Water temperatures fluctuate between 17C and 22C throughout the year, requiring appropriate thermal protection.

Santa Clara Arena is a dynamic dive site off Sao Miguel, Azores, featuring a combination of reef and wall topography. Divers can explore depths reaching 30 metres, with visibility typically ranging between 20 and 40 metres. The site is defined by strong currents, which facilitate drift diving along the structures. Due to these conditions and the deep water, this site is suited for intermediate divers comfortable managing themselves in moving water. Access is by boat only, located 1000 metres from the shore. Water temperatures fluctuate between 17C and 23C throughout the year, with a 5mm wetsuit recommended for thermal comfort.