Alien Head is a rectangular reef located in the Santa Eulália Area, distinguished by a rock formation that resembles an alien head when viewed from the side. This site is suitable for beginners, with depths ranging between 10 and 12 metres. Access is by boat only, and divers should remain aware of boat traffic in the area. Conditions are generally mild, with visibility fluctuating between 5 and 20 metres and water temperatures ranging from 15C to 20C. Species recorded around this area include European Common Cuttlefish, Common Octopus, Scorpionfish, various sea slugs, wrasses, and crabs, which are particularly common during the summer months.

Rocky is a reef site in the Santa Eulália Area, Portugal, characterised by a north to south orientation. The topography consists of rock formations ranging from 1 to 3 metres in height. With an average depth of 7 metres and a maximum of 12 metres, the site is suitable for beginners. Access is by boat only, and divers should be aware of boat traffic in the area. Conditions feature mild currents and visibility ranging from 5 to 20 metres. Species recorded around this area include various crabs, cuttlefish, octopus, scorpionfish, and several species of sea slugs and nudibranchs.

Pedra do Gomes is a natural reef located in the Santa Eulália Area, consisting of large rock formations interspersed with cracks. A secondary reef structure lies to the northeast of the main site. The area features a maximum depth of 12 metres, with an average depth of 10 metres over a sandy bottom. Access is by boat, with the site situated within 15 minutes of Albufeira Marina. Conditions include mild currents and visibility ranging from 5 to 15 metres. Divers should be aware of sharp rocks when navigating the reef. The site is suitable for beginners and those seeking a shallow, accessible dive.

Santa Eulalia is a reef dive located off the coast of Albufeira, Portugal. The site features a reef structure with depths typically ranging from 12 to 14 metres, though it extends to 50 metres. Divers should maintain proximity to the wall and monitor their depth closely. Conditions include mild currents and visibility between 5 and 10 metres. Access is by boat, with a typical dive duration of 50 minutes. Water temperatures fluctuate between 15 and 20 degrees Celsius throughout the year. Hazards include jellyfish, sea urchins, and sharp rock formations. Facilities available at the departure point include parking, toilets, showers, air fills, and equipment rental.

Santa Eulália is a combined natural and artificial reef system located off the Algarve coast. This site is suitable for beginners, offering a manageable shore entry and depths ranging from 10 to 12 metres. Divers can expect mild currents throughout the typical 50-minute dive. Facilities at the site include parking, toilets, showers, a rinse station, and a cafe. Due to the presence of boat traffic, it is essential to remain aware of your surroundings at the surface and use a surface marker buoy. Visibility varies depending on the day, and water temperatures fluctuate between 15C and 20C throughout the year.

Praia dos Aveiros is a secluded cove in the Santa Eulália area, characterised by rocky edges that form a reef and cave system. This site is suitable for beginners and offers snorkel access directly from the shore. Depths range from 2 to 15 metres, with an average of 8 metres. Visibility varies between 8 and 20 metres, and currents are generally mild. Water temperatures fluctuate between 15C and 20C throughout the year. Facilities available at the site include parking, toilets, showers, a cafe, and first aid services. Guided tours are also available for those exploring the area.

Santa Eulalia 2 is a combined natural and artificial reef located off the Santa Eulália Area. The site sits at depths between 5 and 12 metres, with an average depth of 10 metres, making it suitable for beginner divers. Access is by boat, with the site situated approximately 1609 metres from the shore. Divers experience mild currents and variable visibility ranging from 3 to 15 metres. Water temperatures fluctuate between 15C and 20C throughout the year. Due to the presence of boat traffic, divers must maintain awareness of their surroundings and use a surface marker buoy upon ascent. Typical dives at this location last around 50 minutes.

Arrifes-Claire is a reef located in the Santa Eulália Area of Portugal. The site features depths ranging from 8 to 16 metres, with an average depth of 8 metres, making it suitable for beginner divers. Access is by boat only, and divers should expect mild currents and variable visibility between 5 and 20 metres. Water temperatures fluctuate between 15 and 20C throughout the year, necessitating a 5mm wetsuit. Hazards include sea urchins on the reef floor and low visibility conditions. Species recorded around this area include European Common Cuttlefish, Common Octopus, various nudibranchs, wrasses, and crustaceans such as crabs and cleaner shrimp.