S'Archittu is a natural limestone arch formation located in Sardegna, Italy. This site features a reef and cave system accessible from the shore. Divers and snorkellers can swim directly under the arch to explore rocky walls and small sea-carved caves. Conditions vary, and the site is best suited for intermediate skill levels due to potential surf. Water temperatures range from 14C in February to 26C in August. Facilities at the site include parking and a cafe. Snorkelling is well-regarded here, offering a unique perspective of the geological features.

Torre del Pozzo is a marine site featuring a combination of reef, cave, and cavern topography. The site is named for a natural vertical well in the rock that connects to the sea through an underwater corridor. Divers and snorkelers can explore the entrance of this corridor, where light filters through the rock structure. Access is via the shore, with depths ranging from 2 to 11 metres and an average depth of 6 metres. Conditions include mild currents and visibility typically between 15 and 25 metres. Due to the overhead environment and depth, this site is suited for advanced skill levels.

Su Pallosu in Sardegna, Italy, is a shore-access site featuring shallow natural pools and rocky sections. The area is suitable for beginners, with mild currents and water temperatures ranging from 14C in February to 26C in August. The site is well-regarded for snorkelling, offering calm, shallow conditions that allow for easy exploration of the rocky terrain. Parking is available for visitors. While the site is known for its resident cat colony on land, the underwater environment consists of shallow rocky formations. Divers and snorkellers should be prepared for variable water temperatures throughout the year.

Sa Mesa Longa, known as the Long Table, is a distinctive natural sandstone reef in Sardegna, Italy. The reef acts as a barrier, forming a calm, shallow lagoon that is well-suited for snorkeling. Divers and snorkellers can access the site from the shore, with depths ranging from 2 to 8 metres and an average depth of 5 metres. Visibility varies between 8 and 20 metres, and currents are generally mild. The site is suitable for intermediate snorkellers. Facilities available at the location include parking, toilets, and a cafe. Be aware of sea urchins when entering the water.

Calabona Cove is a rocky inlet situated at the southern edge of Alghero. This site offers shore access for snorkelling, making it a convenient location for beginners. Depths range from 2 to 15 metres, with an average depth of 8 metres. Conditions vary, with visibility typically between 5 and 20 metres and mild currents. Water temperatures fluctuate from 14C to 26C, though the site can be colder than other parts of Sardinia due to open sea currents. Hazards include cold water, entanglement, sea urchins, and strong currents. Facilities nearby include a cafe and a dive shop.

S'Arena Scoada in Sardegna consists of a series of small limestone coves featuring golden sand and rocky ridges. This site is suitable for beginners, offering a shallow environment with depths ranging from 2 to 5 metres and an average depth of 3 metres. Snorkellers can explore the rocky structures between the coves, which provide shelter for various marine life. Access is via the shore, and conditions are generally mild with visibility typically between 10 and 20 metres. Water temperatures fluctuate throughout the year, ranging from 14C in February to 26C in August, making it a accessible location for shallow-water exploration.

Sardegna & Tuscany Cave in Alghero offers a varied underwater profile featuring reef, cave, and canyon terrain. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 15 metres. The site requires boat access and is situated 9 kilometres from the shore. Conditions are generally manageable with mild currents and visibility between 15 and 30 metres. Due to the presence of overhead environments in the cave and canyon sections, this site is suited for intermediate divers with strong buoyancy control. Water temperatures fluctuate between 14 and 22 degrees Celsius throughout the year. Divers should be cautious of sharp coral and rock formations when navigating the narrower passages.

Capo Galera is a shore-entry reef located in Alghero, Italy, offering a shallow profile between 5 and 12 metres. The site is well-suited for beginners, featuring mild currents and visibility ranging from 15 to 30 metres. Divers can expect a typical dive duration of 50 minutes. Water temperatures fluctuate significantly throughout the year, ranging from 14°C to 26°C, with thermoclines often present at depth. The site is equipped with comprehensive facilities including a dive shop, equipment rental, air fills, and rinse stations. Night diving is a popular activity here, providing opportunities to observe nocturnal marine life across the reef and sandy patches.