Recife dos Galos is a reef and artificial reef site located off Berlenga Grande. Divers can explore depths ranging from 5 to 22 metres, with an average depth of 20 metres. The site is accessible only by boat and is suited for advanced divers due to moderate to strong currents. Marine life includes common sightings of wrasses, flatworms, and Tompot Blenny. Uncommon species such as Common Octopus, European Common Cuttlefish, Comber, and nudibranchs like Felimare villafranca and Felimare fontandraui are also present. Rarer encounters include gurnard, squat lobster, scorpionfish, slipper lobster, and the tricolor doris. The site features slopes where John Dory are frequently observed sheltering among the algae.

Praia do Carreiro do Mosteiro is the primary beach on Berlenga Grande, featuring a sheltered sandy entry that leads to a diverse underwater environment of reefs, caves, and walls. The site offers visibility between 10 and 30 metres and depths ranging from 2 to 12 metres, making it suitable for beginners. Snorkellers can observe common species including wrasses, Tompot blenny, and various nudibranchs like Felimare fontandraui. Uncommon sightings include Common Octopus, European Common Cuttlefish, and Bream. The area is protected by granite cliffs, providing a calm environment for exploration. Facilities at the site include parking, toilets, showers, and equipment rental.

Vapor do Trigo is a wreck dive located off Berlenga Grande, resting at depths between 27 and 30 metres. This site requires boat access and is suited for intermediate divers due to the moderate to strong currents that can build quickly. Visibility ranges from 5 to 10 metres, requiring careful navigation to explore the structure. Water temperatures fluctuate between 15 and 18 degrees Celsius, making a 5mm wetsuit or drysuit appropriate. Divers should prioritise precise buoyancy control and air management. Shore facilities at the boat departure point in Peniche include parking, toilets, showers, changing rooms, and a rinse station.

Baía do Forte is a reef and cave site located at Berlenga Grande in the Berlengas Archipelago. The site features a reef structure and the Lagosteira cave, which presents an overhead environment for divers. Depths range from 5 to 13 metres, with visibility typically between 10 and 30 metres. Access is by boat. Water temperatures fluctuate between 15C and 19C throughout the year. Due to the presence of sea urchins, caution is advised. The site is suitable for intermediate divers and offers excellent conditions for snorkelling.

Carreiro dos Cações is a north-facing bay located at Berlenga Grande, featuring a mix of reef and wall topography. The site is suitable for beginners, with depths ranging from 5 to 13 metres and an average of 9 metres. Access is by boat only. Divers can observe common species including wrasses, flatworms, Felimare fontandraui, and Tompot blenny. Less frequently encountered life includes the common octopus, European common cuttlefish, Felimare villafranca, and bream. Rare sightings include gurnard, squat lobster, scorpionfish, barried anemone, tricolor doris, and slipper lobster. Visibility varies between 1 and 10 metres, and water temperatures range from 15C to 19C. Hazards include sea urchins and stonefish.

Primavera is a reef and wreck site located off Berlenga Grande in the Berlengas Archipelago. Divers typically explore depths between 10 and 24 metres, with an average depth of 18 metres. Access is by boat, and the site is suited for intermediate divers due to mild currents and potential surge. Visibility ranges from 10 to 25 metres, and water temperatures fluctuate between 15C and 18C throughout the year. Marine life recorded at this site includes common wrasses, flatworms, Felimare fontandraui, and Tompot blennies. Less frequently, divers may encounter common octopus, European common cuttlefish, Felimare villafranca, bream, gurnards, squat lobsters, slipper lobsters, scorpionfish, tricolor doris, and barried anemones.

Berlenga Grande offers a diverse underwater environment featuring reefs, walls, caverns, and wrecks. Located in the Berlengas Archipelago, this site requires boat access and is suitable for experienced divers due to potential strong currents, surf, and overhead environments. Depths range from 5 to 40 metres, with an average of 25 metres. Visibility varies significantly between 6 and 30 metres, and water temperatures remain cool, fluctuating between 15C and 18C throughout the year. Divers should be aware of boat traffic in the area. Facilities including equipment rental, air fills, and boat charters are available to support diving activities at this location.

Gruta Lagosteira is a sea cave located at Berlenga Grande in the Berlengas Archipelago. This site offers a distinct cave environment with depths reaching up to 12 metres. Access is exclusively by boat, and the site is suitable for beginners due to the mild currents. Divers should be prepared for variable visibility and lower light conditions within the cave structure. Water temperatures range from 15C to 19C throughout the year, necessitating the use of a wetsuit. As this is a cave environment, divers must exercise caution, remain within their comfort zone, and avoid contact with the cave walls or any marine life encountered.