Praia de São Rafael in the Santa Eulália area offers a distinct snorkeling experience featuring underwater arches and rock formations known as Ponte Pequena and Ninho das Andorinhas. The site consists of reef and cave topography at depths ranging from 1 to 5 metres, with an average depth of 3 metres. Shore access is available, though snorkelers should be aware of moderate currents and surf conditions. Visibility typically fluctuates between 5 and 15 metres. Water temperatures remain cool, ranging from 15°C to 20°C throughout the year. Due to potential temperature drops caused by northerly winds, a wetsuit is recommended for extended sessions. Facilities including parking, toilets, and showers are provided on-site.

Arriefes is a mixed natural and artificial reef located off the coast of the Santa Eulália Area. The site features varied topography across depths ranging from 8 to 16 metres, making it suitable for beginner divers. Conditions are generally manageable with mild currents and visibility between 10 and 30 metres. Access is by boat, and the site includes swim-throughs that require careful buoyancy control. Divers should be aware of potential entanglement risks within the wreckage and exercise caution regarding sea urchins and sharp rock structures. A 5mm wetsuit is recommended to manage water temperatures that fluctuate between 15 and 19 degrees Celsius throughout the year.

Praia da Coelha is a high-walled cove on the Albufeira Coast that offers shelter from the wind. This reef site is suitable for beginners, with depths ranging from 2 to 8 metres and an average depth of 4 metres. Divers and snorkellers can access the site from the shore, with the western end near the natural arch providing the most interesting topography. Visibility varies between 5 and 20 metres, and currents are generally mild, though strong currents can occur. Species recorded around this area include crabs, cuttlefish, octopus, various sea slugs, and wrasses. Facilities at the site include parking, toilets, showers, and a cafe.

Praia dos Arrifes, also known as Três Penecos, is a sheltered cove in the Santa Eulália area distinguished by three prominent rock formations. The underwater landscape features intricate rock galleries and a meadow of Cymodocea nodosa seagrass. With depths ranging from 1 to 8 metres, the site is well-suited for beginners and offers excellent conditions for snorkelling. Divers and snorkellers access the water directly from the shore. Conditions include mild currents and visibility typically between 5 and 15 metres. Water temperatures range from 15C to 20C throughout the year. On-site facilities include parking, toilets, and showers.

Praia do Castelo on the Albufeira Coast is a reef site named for its distinctive castle-like rock formation. The area features numerous small satellite coves and inlets, with rocky outcrops providing shelter for marine life. Snorkellers can explore depths ranging from 2 to 5 metres, with an average depth of 3 metres. Access is via the shore, and the site is suitable for beginners. Conditions vary, with visibility typically between 5 and 15 metres and mild currents, though strong currents can occur. Water temperatures range from 15°C to 20°C, often feeling cool outside the peak summer months. Facilities including toilets and showers are available on-site.

Castelo is a natural reef located off the Albufeira Coast, characterised by a rock formation that extends above the water surface. Divers and snorkellers explore the area around the reef, which features a maximum depth of 8 metres and an average depth of 8 metres. The site includes three large rocks separated from the main formation and a surrounding sandy bottom. Conditions are suitable for beginners, with mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate between 15C and 20C throughout the year. Access is via a shore entry, and the site is also suitable for night diving.

Praia do Evaristo on the Albufeira Coast is a rocky reef site characterised by a shoreline cluttered with boulders. The rocky bottom extends from the shore into the bay, creating a varied underwater topography. Snorkellers can explore depths ranging from 1 to 8 metres, with an average depth of 4 metres. Conditions are generally suitable for intermediate snorkellers, featuring mild currents and visibility typically between 10 and 20 metres. Water temperatures fluctuate between 15C and 20C throughout the year. Access is via the shore, and the site is supported by facilities including parking, toilets, showers, a rinse station, and a cafe.

Pedra do Cogumelo is a reef and wall site located in the Santa Eulália Area. The site features depths ranging from 5 to 18 metres, with an average depth of 10 metres, making it suitable for beginner divers. Access is strictly by boat. Visibility typically fluctuates between 5 and 15 metres. While currents are generally mild, they can become strong and variable, requiring divers to remain close to their guide and maintain distance from the structure to avoid entanglement or sharp surfaces. Water temperatures range from 15 to 19 degrees Celsius, necessitating a wetsuit of at least 5mm throughout the year.