Spiaggia Di Tuerredda is a coastal site in Italy featuring a 500-metre white sand beach. The topography consists of sandy bottoms and seagrass beds, creating a shallow environment suitable for beginners. Depths range from 1 to 6 metres, with an average of 3 metres. Access is via the shore, with the primary area located 150 metres out. Conditions are generally mild, though visibility fluctuates between 10 and 25 metres. Water temperatures vary significantly throughout the year, ranging from 15C in winter to 26C in August. Divers and snorkellers should remain aware of potential boat traffic in the area.

Parete Est is a reef and wall dive site located 300 metres offshore in Italy. The site features a consistent depth of 12 metres, making it suitable for beginner divers. Access is exclusively by boat. Conditions at the site are variable, with visibility ranging from 5 to 20 metres and mild currents. Divers should be aware of potential hazards including entanglement and sharp coral. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 25C during the summer. Facilities available nearby include air fills, a dive shop, and boat charter services.

Parete Nord is a marine dive site in Italy featuring a combination of wall, reef, and pinnacle topography. The site is accessible only by boat, located 1600 metres from the shore. Divers can expect depths ranging from 5 to 18 metres, with an average depth of 11 metres. Conditions are generally suitable for beginners, though currents are typically mild. Visibility varies significantly, ranging from 10 to 50 metres. Water temperatures fluctuate between 15C and 23C throughout the year. Night diving is permitted at this location. Divers should be aware of potential hazards including entanglement and sharp coral. Facilities available nearby include air fills, equipment rental, and boat charter services.

Isola Rossa: Piscine is a marine dive site located one nautical mile south of Teulada Marina, Italy. The site features a diverse topography including reefs, walls, pinnacles, and caves. Divers typically explore at depths between 8 and 12 metres, with an average depth of 10 metres. Access is via boat, and the site is suited for advanced divers due to moderate to strong currents. Visibility ranges from 1 to 25 metres. The area supports a variety of Mediterranean reef fish and invertebrates. Facilities at the nearby dive shop include showers, a rinse station, and gear storage. Night diving is available, with typical dives lasting 45 minutes.

Secca Porto Scudo is a reef dive site located in Italy. The site is suitable for beginners and maintains a consistent depth of approximately 12 metres. Access to this location requires a boat. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 25C during the peak summer period of August and September. As a reef environment, the site offers a stable underwater topography for divers to explore. Given the depth and conditions, it serves as a straightforward dive for those looking to experience the local marine environment.

Sant'Elia Lazzaretto Coves in Villasimius consist of a series of rocky inlets situated near the historic Lazzaretto building. This urban snorkeling site features interesting rock formations and is suitable for beginners. Access is via the shore, and the area experiences mild currents. Water temperatures fluctuate throughout the year, ranging from 14C in March to 27C in August. Divers and snorkellers should be aware of sharp coral present in the area. Facilities available at the site include parking and toilets.

Cala Bernat is a quiet cove in Villasimius, Italy, offering a peaceful environment for divers and snorkellers. The site features a mixed seabed of sand and rocks, with depths ranging from 1 to 8 metres and an average of 4 metres. Conditions are generally mild, with visibility varying between 5 and 15 metres. The site is suitable for beginners and accessible by both shore and boat. Divers should be aware of sea urchins present in the area. The habitat supports a variety of Mediterranean reef fish and invertebrates typical of the region. Typical dives last approximately 30 minutes.

Grotta dei Colombi is a sea cave situated at the base of the Sant'Elia promontory near Villasimius. Accessible only by boat, the site is suited for intermediate snorkelers who can navigate the cave environment. The location is noted for its light play within the cave structure. Water temperatures in the area fluctuate throughout the year, ranging from 14C in March to 27C in August. As a marine site, it offers a distinct coastal experience for those exploring the waters of Sardegna.