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.

Papôa Peninsula is a rugged volcanic site featuring natural rock pools and distinct geological formations. Divers access the water via a small sheltered cove on the eastern side of the bridge. The site is suited for intermediate divers due to moderate currents and potential surf conditions. Marine life observed here includes very common crabs and snails, alongside common sea stars. Divers may also encounter uncommon species such as common octopus, skate, wrasses, abalone, bluebottle, bream, hermit crabs, sea hares, brittle stars, spiny spider crabs, and mauve stingers. Water temperatures range from 15C to 19C throughout the year.

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.

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.

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.

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.

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.