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.

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.

Cala Corsara is a reef site located on the southern coast of Spargi Island in the La Maddalena Archipelago. The site features white sand and granite rock formations, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Access is by boat only, as the site is situated 1,000 metres from the shore. Conditions are generally suitable for intermediate snorkellers, with mild currents and visibility typically between 15 and 25 metres. Water temperatures fluctuate seasonally, ranging from 14C in winter to 26C in August. Divers and snorkellers should remain aware of boat traffic in the area.

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.

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.

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.

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.

Cala Francese is a historic granite quarry site located on the island of La Maddalena. The topography consists of a rocky coastline and deep inlets, offering a mix of natural reef and artificial structures. Divers and snorkellers can explore depths starting from 2 metres, with visibility ranging between 5 and 20 metres. The site is accessible from the shore and is suitable for beginners, though the presence of deep areas requires caution. Conditions are generally mild, with water temperatures fluctuating between 14C in the winter and 26C during the peak of summer. Guided tours are available for those wishing to explore the underwater terrain of this unique coastal environment.