Peniche, located at Berlenga Grande, offers a diverse underwater environment featuring reefs, wrecks, caves, and drop-offs. Divers can explore depths ranging from 5 to 38 metres, with an average depth of 18 metres. Access is strictly by boat, and the site is suited for intermediate divers due to variable currents and tidal influences. Visibility fluctuates significantly between 3 and 30 metres. Marine life recorded here includes European Common Cuttlefish, Common Octopus, skates, wrasses, and various crabs and sea stars. Water temperatures remain cool, typically between 14 and 17 degrees Celsius. Night diving is permitted, providing an alternative perspective of the site topography.

Portinho da Areia Sul on Berlenga Grande is a sheltered shore-entry site featuring underwater canyons and vertical rock walls. Suitable for beginners, the site offers an average depth of 9 metres, with a range between 7 and 12 metres. Divers should be aware of moderate currents and boat traffic in the area. Visibility typically ranges from 5 to 10 metres. Water temperatures fluctuate between 15C and 19C throughout the year, though conditions are often described as cold. The site is accessible via shore and includes nearby parking and cafe facilities. Night diving is permitted at this location.

Cavalete is a shallow shore dive located at Berlenga Grande in the Berlengas Archipelago. The site maintains a consistent depth of 6 metres, making it suitable for beginner divers. Conditions are generally mild, with water temperatures ranging from 15C in winter to 19C in September. Species recorded around this area include common octopus, European common cuttlefish, wrasses, and various nudibranchs such as Felimare villafranca and Felimare fontandraui. Divers may also encounter flatworms, slipper lobsters, and scorpionfish in the surrounding habitat. This site offers a straightforward entry for those looking to explore the marine life of the archipelago at a shallow depth.

Haliotis is a reef and artificial reef site located off the coast of Peniche, Portugal. Accessible only by boat, the site offers depths ranging from 5 to 30 metres. Divers can expect mild currents and visibility typically between 5 and 15 metres. Water temperatures remain cool, fluctuating between 15C and 17C throughout the year. The site is suitable for intermediate divers and supports night diving. Facilities available at the associated dive shop include equipment rental, air fills, changing rooms, and showers. Hazards to be aware of include boat traffic and sharp coral structures. Typical dives at this location last approximately 50 minutes.

The Leven is a shallow wreck site located 100 metres off the coast of Peniche, Portugal. Resting at depths between 5 and 9 metres, the wreck provides an accessible environment for beginner divers. The site features a combination of wreck structure and muck diving conditions, with soft sediment surrounding the hull. Divers can expect mild currents and visibility ranging from 5 to 10 metres. Entry is via the shore, where divers should be cautious of the surf break. Due to the presence of sharp rocks and coral on the reef floor, maintaining proximity to the wreck structure is advised. Boat traffic is common in the area, requiring vigilance during entry and exit.

Baleal Prainha is a shore-entry reef site located in Peniche, Portugal. The site is situated along the rocky edges of the Baleal peninsula, providing a sheltered environment suitable for beginners. Snorkellers can explore depths ranging from 2 to 8 metres, with an average depth of 5 metres. Conditions vary, with visibility typically between 5 and 15 metres and mild currents. Water temperatures fluctuate between 15C and 19C throughout the year. Facilities available at the site include parking and showers. Users should remain aware of potential rip currents in the area.

Pedra da Velha is a dynamic dive site located at Berlenga Grande, featuring a diverse topography that includes reefs, walls, a pinnacle, and artificial reef structures. Divers typically explore depths ranging from 10 to 20 metres, with an average depth of 15 metres. Access to this site is exclusively by boat. Conditions are variable, with visibility ranging from 5 to 15 metres and moderate currents that can become strong. Due to these environmental factors, this site is best suited for intermediate divers. Water temperatures fluctuate between 15C and 18C throughout the year.

Rinchão is a challenging reef and wreck site located north of Berlenga Grande in the Berlengas Archipelago. The site features a steep slope descending to 30 metres, where divers encounter walls adorned with red gorgonia. The remains of the wreck Gomes VIII are also found at this location. Due to its position, the site is subject to strong currents and variable visibility ranging from 6 to 30 metres. Access is strictly by boat, and the site is suited for advanced divers only. Hazards include boat traffic, potential entanglement, and sharp coral. Water temperatures remain cool throughout the year, typically between 15C and 17C.