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.

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.

Baixa de São Pedro is a shallow reef site located in Sao Miguel, Azores, suitable for beginner divers. The site features a maximum depth of 9 metres, allowing for relaxed buoyancy control and air consumption. Entry is made directly from the shore, and the site experiences mild currents. Water temperatures fluctuate between 17C and 24C throughout the year, making a wetsuit advisable for all dives. Visibility at this location can vary significantly, so it is recommended to check local conditions before entering the water. As there are no guaranteed facilities on-site, divers should arrive fully prepared with all necessary equipment and supplies.

Prison Break is a reef and wall dive located 500 metres off the coast of Sao Miguel, Azores. Suitable for beginners, the site features depths ranging from 5 to 18 metres with an average of 12 metres. Divers experience mild currents and visibility between 15 and 40 metres. Marine life observed at the site includes common bream and very common crabs, alongside uncommon Turkish wrasse, European parrotfish, mullet, salema porgy, and snails. Access is by boat only. Divers should be aware of sea urchins present on the seabed and rocky surfaces.

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.

Rostro de Cao is a reef and cave site located off Sao Miguel in the Azores. Divers explore depths between 10 and 15 metres, where visibility typically ranges from 10 to 30 metres. The site is defined by strong currents, requiring intermediate skill levels and active buoyancy control. Entry is possible via boat or shore. Sharp rock and coral formations are present throughout the area, necessitating careful movement to avoid contact. Species recorded around this area include seahorses, common octopus, dusky grouper, great barracuda, Mediterranean moray, black moray, European parrotfish, Turkish wrasse, scorpionfish, pufferfish, and slipper lobster.

Âncoras do Ilhéu is a distinctive dive site located 50 metres off the coast of Sao Miguel, Azores. The site is defined by an artificial reef composed of approximately 22 historic anchors, some reaching over 3 metres in height, which rest alongside natural reef formations. Divers typically explore at depths between 14 and 22 metres, with an average depth of 16 metres. The site is accessible by boat and is suitable for beginners, though divers should be aware of potential strong currents. Visibility ranges from 12 to 30 metres. Species recorded around this area include seahorses, common octopus, dusky grouper, black moray, and European parrotfish.

Ilhéu de São Roque is a small islet off the coast of São Miguel, Azores, featuring a straightforward wall dive. The site is suitable for beginners and snorkellers, with the wall topping out at 11 metres. Divers experience mild currents, though conditions vary and visibility can change between visits. Boat access is required to reach the islet and avoid dangerous shore breaks. Water temperatures range from 17C in the winter months to 24C in late summer, necessitating a wetsuit year-round. As there are no on-site facilities, confirm boat charter availability and local conditions before planning your trip.