Passo Cecca di Morto is a shallow lagoon-like pass situated between the islands of Budelli and Santa Maria in the La Maddalena Archipelago. This site features a combination of reef and seagrass habitats, with depths ranging from the surface to 4 metres, averaging 2 metres. It is accessible only by boat. Conditions include mild currents and visibility typically between 10 and 25 metres. Water temperatures fluctuate seasonally from 14C in winter to 26C in August. Due to the nature of the area, snorkelers should remain aware of boat traffic and the presence of sea urchins. The site is rated highly for snorkelling, with typical sessions lasting 30 minutes.

Secca di Washington is a seamount in the La Maddalena Archipelago that rises from a depth of 40 metres to a shallow crest at 6 metres. This site features a combination of reef and wall topography. Divers must access the site by boat, as it is not reachable from the shore. Conditions are variable, with visibility reaching up to 30 metres and water temperatures ranging between 14 and 18 degrees Celsius. Due to the potential for strong and unpredictable currents, this site is recommended for advanced divers only. Proper planning is essential to manage current strength and ensure a safe ascent.

Il Fungo is a reef dive in the La Maddalena Archipelago, Italy, characterised by a structure that descends from shallow water to a maximum depth of 28 metres. The site is accessible only by boat and is subject to moderate currents that can build quickly at depth. Due to the depth and potential for strong flow, this site is best suited for divers with current experience and appropriate certifications. Water temperatures range from 14C to 20C throughout the year. Divers should monitor their depth gauges closely and maintain proximity to the boat during ascent. Conditions can be variable, requiring careful assessment before entry.

Punta Zanotto offers a diverse underwater experience in the La Maddalena Archipelago, combining a reef, a cave, and a submerged aircraft engine wreck. The site is suitable for beginners, with depths ranging from 5 to 25 metres and an average depth of 15 metres. Visibility is excellent, reaching up to 40 metres, though divers should remain mindful of mild currents. Access is by boat only, located 1000 metres from the shore. Due to the presence of an overhead environment within the cave and wreck, careful buoyancy control is required. Divers should also remain alert for boat traffic when surfacing.

Scoglio dei Barracuda is a wall dive located at the foot of Punta Zanotto on the island of Spargi. The topography features rock formations and cliffs that descend to a maximum depth of 20 metres. Access to this site is by boat only. Divers should be prepared for variable currents and be aware of potential boat traffic in the area. The water temperature ranges from 14C in the winter months to 23C in late summer. Due to the nature of the currents and the depth, this site is best suited for intermediate divers.

Secca di Spargi is a rocky relief in the La Maddalena Archipelago, Italy, featuring granite blocks, boulders, tafoni, and depressions. The site topography includes a reef, caves, and a drop-off, with the shallowest point at 6 metres and depths reaching 30 metres. Divers access the site by boat, with four buoys anchored at 4 metres marking the area. Conditions vary, with visibility ranging from 10 to 30 metres and moderate currents. Due to the depth and potential for currents, this site is suited for advanced divers. Typical dive times are approximately 40 minutes. Divers should be aware of boat traffic and decompression requirements when planning their profiles.

Spargiotto Island in the La Maddalena Archipelago features a combination of natural and artificial reef structures. Located 1000 metres from shore, this site is accessible only by boat and is suited for intermediate divers. The depth ranges from 30 to 40 metres with an average of 33 metres. Visibility is high, typically between 30 and 40 metres. While currents are generally mild, they can become strong, requiring a briefing from the boat captain before entry. Water temperatures remain cool, ranging from 14C to 18C throughout the year. Species recorded around this area include wrasses, bream, seabream, scorpionfish, and various invertebrates.

Gerardia savaglia is a wall dive located in the La Maddalena Archipelago, Italy. The site is notable for featuring one of the largest specimens of Gerardia savaglia found in the Mediterranean. Divers can explore the wall down to a maximum depth of 40 metres. Access to this site is by boat only. Conditions include moderate currents and depths that require advanced certification. Water temperatures range from 14C to 19C throughout the year. Due to the nature of the site and local conditions, divers should remain aware of boat traffic and the depth profile during their descent and ascent.