Caldeira da Cal is a reef and drop-off site located off the coast of Faial in the Azores. The topography transitions from a reef into an open-water drop-off, with depths ranging from 20 to 40 metres and an average depth of 30 metres. Visibility is consistently 30 metres. Access is by boat only, situated 5000 metres from the shore. Water temperatures fluctuate between 15C and 21C throughout the year, necessitating appropriate thermal protection. Due to the depth and the presence of sharks, this site is suited for intermediate divers who are comfortable managing nitrogen narcosis and monitoring their air consumption during a 50-minute dive.

Ilhéu Negro is a marine dive site located 1500 metres off the coast of Faial in the Azores. This site features a combination of reef, artificial reef, and cave topography. Divers typically experience depths ranging from 18 to 20 metres, with an average depth of 19 metres. Access to the site is by boat only. Conditions are generally characterised by mild currents, making it suitable for beginners. The water temperature fluctuates between 16C and 23C throughout the year. Night diving is permitted at this location, with typical dive durations lasting around 50 minutes. Divers should be aware of sharp coral present in the area.

Boca Das Caldeirinhas in Faial, Azores, offers a diverse underwater landscape featuring reefs, walls, and caves. This site is accessible only by boat and is suited for intermediate divers due to the depth range of 7 to 50 metres, with an average depth of 18 metres. Conditions vary, with visibility typically ranging from 10 to 30 metres and mild currents. Divers should be aware of potential surge and the overhead environment within the caves. Water temperatures fluctuate between 15C and 20C throughout the year. Night diving is permitted at this location, with typical dives lasting approximately 45 minutes.

Gruta dos Camaroes is a cave and reef site located in the Azores that requires advanced technical qualifications and cave certification. The site features depths ranging from 8 to 35 metres, with an average depth of 28 metres. Access is strictly by boat. Divers encounter mild currents and visibility typically between 15 and 40 metres, though conditions inside the overhead environment can change rapidly. Due to the nature of the cave, hazards include decompression obligations, entanglement risks, and nitrogen narcosis. Divers must manage gas supplies carefully and carry redundant lighting. Water temperatures range from 16C to 22C, necessitating appropriate thermal protection for the duration of the dive.

Entre Montes is a sheltered reef and wall site located 1500 metres off the coast of Faial in the Azores. Accessible only by boat, the site offers a depth range of 6 to 21 metres with an average depth of 15 metres. Conditions are generally mild, with visibility ranging between 10 and 20 metres. The site is suitable for beginners and supports night diving, with typical dive times around 50 minutes. Water temperatures fluctuate throughout the year, peaking at 23C in August and September. Divers should be aware of sharp coral present at the site.

Ilheu Preto is a reef and pinnacle site located in the Faial and Sao Jorge channel. The site features a defined pinnacle structure with depths ranging from 12 to 20 metres, allowing divers to explore both the shallower reef top and the deeper base. Visibility typically spans 10 to 30 metres. Access is by boat only. While currents are generally mild, the site is subject to occasional strong surges, requiring divers to monitor conditions closely throughout the dive. Water temperatures fluctuate between 16C and 23C depending on the season, making appropriate thermal protection necessary.

Noberto Dive is a reef and wall site located between Faial and Sao Jorge in the Azores. The topography features a wall that drops to a maximum depth of 30 metres, with an average depth of 20 metres. Visibility at this site typically ranges from 15 to 30 metres. Due to moderate currents that can strengthen, this site is suited for intermediate divers. Boat access is required to reach this location, which is situated 80 kilometres from shore. Divers should use the wall as a reference point to manage current and maintain position. Air fills are available for visiting divers.

Fumarois is an advanced dive site located 18.5 kilometres offshore from Faial, requiring boat access. The site features a deep reef environment with depths ranging from 35 to 40 metres, averaging 37 metres. Divers should be prepared for moderate currents and a thermocline during descent. Visibility varies significantly, spanning 15 to 40 metres. Due to the depth, nitrogen narcosis is a primary consideration, and divers must maintain strict buoyancy control. The site presents specific hazards including deep water, strong currents, and the presence of sharks. Adequate thermal protection is recommended to manage water temperatures between 15C and 21C. Typical dive times are approximately 50 minutes.