Punta Agnadda features a combination of reef, wall, and drop-off topography. Divers can explore depths between 20 and 40 metres, making this site suitable for intermediate skill levels. Access is by boat only, and the site experiences mild currents. Visibility typically ranges from 10 to 30 metres, allowing for clear observation of the wall structure. Water temperatures fluctuate between 14 and 20 degrees Celsius throughout the year, requiring appropriate thermal protection. The habitat supports a variety of reef fish and invertebrates. Divers should maintain precise buoyancy control to avoid contact with the sharp coral and rocks present along the wall and reef substrate.

Cala d'Oliva is a shore-entry reef dive located in Italy. The site features a shallow reef structure accessible without a boat, providing a practical environment for those building confidence in open water. Water temperatures fluctuate between 14 and 26 degrees Celsius throughout the year, requiring a wetsuit appropriate for the season. Visibility at the site is variable, and conditions can change between visits. As a shallow, calm location, it is suitable for beginners. Divers should check locally for current facility availability before arrival, as amenities are not confirmed at this site.

Punta Sabina is a boat-access reef located off the coast of Sardegna, Italy. The site features a reef structure that descends from 20 to 45 metres, requiring careful buoyancy control to avoid contact with sharp coral and rock formations. Divers can expect mild currents and consistent visibility of 30 metres. Given the depth profile, this site is suitable for divers with appropriate training, as the reef drops well beyond the limits of entry-level certifications. Water temperatures fluctuate between 14 and 20 degrees Celsius throughout the year, necessitating a suitable wetsuit for cooler conditions.

Spiaggia di Mugoni (West End) is a calm, shallow site located near Alghero, Italy. The topography consists of a sandy beach transitioning into rocky areas at the western end, which are suitable for both diving and snorkelling. With an average depth of 3 metres and a maximum of 5 metres, this site is well-suited for beginners. Divers and snorkellers can expect mild currents and visibility ranging from 5 to 15 metres. Shore access is available, supported by facilities including parking, toilets, showers, and a dive shop. Be aware of sea urchins and sharp coral when entering or navigating the rocky sections of the site.

Cala del Bollo is a wild cove located near the Torre del Bollo in Alghero. The site features a rugged underwater environment characterised by a combination of rocky reefs and Posidonia seagrass meadows. Snorkellers can expect depths ranging from 5 to 7 metres, with an average depth of 6 metres. Visibility at this site varies between 10 and 25 metres, and currents are generally mild. Access to the water is possible from both the shore and by boat. Facilities available at the location include parking, toilets, showers, and a cafe. The site is suitable for intermediate snorkellers, with a typical session lasting approximately 60 minutes.

Spiaggia del Lazzaretto features a sandy main beach flanked by ten small rocky coves to the north. These shallow inlets provide accessible conditions for snorkelling, making the site suitable for beginners. Water temperatures fluctuate between 14C and 26C throughout the year, with cooler conditions common outside of the summer months. Currents are generally mild. Species recorded around this area include wrasses, which are very common during July and August, alongside less frequently encountered marine life such as Mediterranean Moray, Common Octopus, Great Barracuda, and various nudibranchs. On-site facilities include parking, showers, changing rooms, a rinse station, equipment rental, and a cafe.

Capo Galera is a rocky headland near Alghero featuring a series of underwater arches and small caves. The site is suitable for intermediate divers, with depths ranging from 5 to 15 metres and an average depth of 10 metres. Divers and snorkellers can expect visibility between 15 and 30 metres. Water temperatures fluctuate seasonally from 14C to 25C, with a thermocline typically occurring at 12 metres where temperatures drop to 15C. Access is available via both shore and boat. Facilities at the location include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, a dive shop, boat charter, guided tours, and gear storage.

Cala Bramassa is a reef and cave site located within the Porto Conte Regional Park near Alghero. Situated 1500 metres from the shore, this site features a rocky seabed with depths ranging from 2 to 18 metres, averaging 12 metres. The bay's shape provides protection from most winds, resulting in visibility between 5 and 20 metres. Water temperatures fluctuate between 14C and 26C, with the bay being slightly warmer than neighbouring coves. Access is possible by both shore and boat, though the site is best suited for intermediate snorkellers. Hazards include entanglement, overhead environments within the caves, and sharp coral. Parking is available for visitors.