Estelão is a wall dive located at the largest rock of the Estelas, part of the Berlengas Archipelago. The dive typically begins in the West Bay, following a canyon that leads to a distinctive arch formation. Divers follow the wall, which extends to a maximum depth of 20 metres. The site is suited for intermediate divers due to the presence of moderate currents and sharp rock formations. Access to this site requires a boat. Water temperatures range from 15C to 19C throughout the year. Divers should be aware of potential hazards, including moderate currents, sharp rocks, and dangerous marine life.

Mula Estelas is a marine dive site located off the coast of Berlenga Grande, Portugal. The site features a combination of reef terrain and wreck structures at depths ranging from 20 to 30 metres, with an average depth of 25 metres. Divers should expect strong currents, making this location suitable for intermediate divers with good buoyancy control. Visibility typically ranges between 10 and 15 metres. Access is exclusively by boat, and due to active boat traffic and current conditions, the use of a surface marker buoy is required. The site is supported by local facilities including equipment rental, air fills, and guided tours.

Maroudio Inglessi is a wreck and reef site located off Berlenga Grande. This advanced dive requires boat access and is situated approximately 9656 metres from the shore. Divers can expect depths ranging from 35 to 40 metres, with an average depth of 37 metres. Conditions are variable, featuring strong currents and visibility typically between 10 and 15 metres. Water temperatures fluctuate between 15C and 18C throughout the year. The site is suitable for night diving, with a typical dive duration of 40 minutes. Hazards include deep water, strong currents, and potential encounters with sea urchins, sharp coral, stonefish, and triggerfish.

Maroudi Inglessi is a reef and wreck site located at Berlenga Grande in the Berlengas Archipelago. This advanced dive site features depths ranging from 5 to 26 metres, with an average depth of 25 metres. Access is exclusively by boat. Conditions vary, with visibility between 5 and 20 metres and moderate currents. The site is suitable for night diving, with typical dives lasting around 40 minutes. Hazards include sea urchins, stonefish, and triggerfish. Species recorded around this area include common octopus, European common cuttlefish, various nudibranchs, wrasses, gurnards, scorpionfish, and several types of lobster.

Ilhéu do Soldado is a reef and wall site situated to the northwest of Berlenga Grande. The topography features depths ranging from 5 to 18 metres, with an average depth of 15 metres. Access is strictly by boat, and the site is suitable for beginners. Divers should be aware of potential surf conditions, and the site is best accessed when the sea is calm and winds are low. Visibility typically ranges between 10 and 15 metres, with water temperatures fluctuating between 15C and 19C throughout the year. A typical dive at this location lasts approximately 45 minutes.

Piscinas, located on the northwest side of Berlenga Grande, is a shallow dive site characterised by a series of underwater canyons. The site is accessible only by boat and requires calm sea conditions with minimal wind. Divers typically explore depths ranging from 5 to 15 metres, with an average depth of 10 metres. At low tide, the area forms natural pools that are suitable for snorkelling. Conditions at this site are variable, with moderate currents and visibility averaging 15 metres. Water temperatures fluctuate between 15C and 19C throughout the year.

Cova Do Sono is a diverse marine site located at Berlenga Grande in the Berlengas Archipelago. The site features a combination of reef, cave, wall, and cavern topography, offering varied underwater structures to explore. Depths at this location range from 2 to 12 metres, with an average depth of 6 metres. Conditions are generally mild, with visibility typically between 10 and 15 metres. Access to the site is by boat only, as it is situated 10 kilometres from the shore. The site is suitable for beginner divers. Divers should remain aware of boat traffic in the area. Facilities including changing rooms, showers, and a rinse station are available.

Cova dos Ratões is situated on the northern side of Berlenga Grande. This site is sheltered from southern winds, providing calmer conditions when other areas are rough. The underwater topography consists of large boulders and canyons. Snorkellers can explore these features, which offer a distinct environment within the Berlengas Archipelago. Access to the site is by boat. Water temperatures range from 15C to 19C throughout the year. Due to the nature of the terrain and conditions, this site is best suited for intermediate snorkellers.