Rondão Alvo is a boat-access site located off the coast of Lagos, Portugal. The topography features a combination of open reef, canyon, and cave sections, offering structural variety for divers. Depths range from 14 to 22 metres, with an average depth of 18 metres. Conditions include mild currents, though surge can build quickly within the canyon and cave areas. Visibility varies significantly, ranging between 5 and 20 metres. Water temperatures fluctuate between 15 and 19 degrees Celsius throughout the year. Due to boat traffic in the vicinity, divers should use a surface marker buoy during ascent. Night diving is permitted at this location.

Cortinas is a reef and wall site located off the coast of Lagos, Portugal. The site maintains a consistent depth of 16 metres, making it suitable for beginner divers looking to gain experience in deeper reef environments. Access is by boat only, and the site features mild currents. Visibility varies significantly between 5 and 20 metres, so carrying a torch is recommended to observe details along the wall. Water temperatures range from 15 to 19 degrees Celsius, necessitating adequate thermal protection. Divers should remain aware of potential low visibility and entanglement hazards during their descent.

Mosh Wall is a marine wall and reef site in Lagos, Portugal, accessible only by boat. The wall structure begins at a depth of 12 metres and descends to 22 metres, with an average depth of 17 metres. Due to the site layout, it is typically explored over two separate dives. Divers should expect moderate currents and visibility ranging from 5 to 20 metres. Water temperatures fluctuate between 15C and 19C throughout the year. The site is suited for intermediate divers, and local facilities provide air fills, equipment rental, guided tours, and boat charters. Divers should be aware of sharp coral present on the reef.

Porto de Mós in Lagos, Portugal, offers a coastal dive experience featuring a combination of reef and wall topography. The site is accessible via a shore entry and is suitable for beginner divers. Depths range from 5 to 19 metres, with an average depth of 10 metres. Conditions at the site vary, with visibility typically between 5 and 20 metres and mild currents. Water temperatures fluctuate throughout the year, ranging from 15C in March to 19C in October. As a marine environment, the site provides a varied underwater landscape for those exploring the Algarve coastline.

Praia do Canavial in Lagos is a reef and drift site characterised by an underwater landscape of large boulders and rock slabs fallen from the cliffs. These formations create crevices across the seabed. The site is suitable for intermediate divers and snorkellers, with depths ranging from 1 to 8 metres and an average depth of 4 metres. Access is via the shore, though conditions vary with moderate currents and surf. Visibility typically ranges between 5 and 15 metres. Water temperatures are cold, fluctuating between 15C and 19C throughout the year. Divers should be aware of strong currents and surf hazards when planning a visit.

Canavial is a marine reef site located off the coast of Lagos, Portugal. The site is suitable for beginners, offering a shallow average depth of 6 metres with a total depth range between 5 and 8 metres. Divers can expect mild currents throughout the area. Access to this site is exclusively by boat. Water temperatures in the region fluctuate between 15C and 19C depending on the month. Parking facilities are available at the departure point for those travelling to the site.

Praia do Barranco do Martinho is the westernmost cove of the Ponta da Piedade headland in Lagos, Portugal. This site features a combination of reef and cave topography, suitable for intermediate snorkelers. Depths range from 1 to 15 metres, with an average of 7 metres. Access is available from both shore and boat. Conditions vary, with visibility typically between 5 and 20 metres and mild currents. Divers and snorkelers should be aware of potential hazards including boat traffic, cold water, jellyfish, overhead environments, rip currents, sea urchins, stonefish, and surge. Water temperatures fluctuate between 15C and 19C throughout the year.

Ponta da Piedade in Lagos is a limestone coastal site characterised by a labyrinth of sea arches, grottoes, and towering pillars. This marine site is suitable for intermediate snorkellers, offering depths ranging from 1 to 10 metres with an average of 3 metres. Access is available via both shore and boat, with a steep 182-step stone staircase leading to a small fishing anchorage. Conditions vary, with visibility typically between 5 and 15 metres. Be aware of strong currents, surf, and boat traffic in the area. Water temperatures fluctuate between 15C and 19C throughout the year. Facilities at the site include parking, toilets, a cafe, and guided tours.