Giannutri is a protected marine area featuring seven distinct dive sites, including Gli archetti, Le macchine del Nasim, the Anna Bianca wreck, Punta pennello, Punta secca, Punta San Francesco, and Punta Ischiaiola. The topography encompasses reefs, walls, and drop-offs, with depths ranging from 5 to 55 metres and an average of 30 metres. Access is exclusively by boat, located 20 kilometres from the shore. Conditions are variable, with visibility between 10 and 35 metres and water temperatures between 14 and 17C. Due to the depth and potential for currents, this site is suited for intermediate divers. Hazards include boat traffic, decompression risks, and entanglement.

Cala Volo di Notte is a wall and reef site located on the island of Giannutri. The topography features high vertical walls that descend from 8 to 30 metres, with an average depth of 18 metres. Situated 100 metres from the shore, this site requires boat access due to the arduous nature of the surrounding cliffs. Divers can expect mild currents and visibility ranging from 10 to 25 metres. Water temperatures fluctuate between 14C and 19C throughout the year. The site is suited for intermediate divers, and the area is also suitable for snorkelling.

Cala Spalmatoio serves as the primary landing point on Giannutri, offering a mix of artificial reef structures, seagrass beds, and historical interest. Divers and snorkellers can explore ancient Roman port remains located along the edges of the cove. The site features a sandy and pebble beach allowing for both shore and boat entries. Depths range from 2 to 20 metres, with an average of 5 metres, making it suitable for beginners. Visibility typically spans 10 to 25 metres, though users should remain aware of boat traffic in the area. Species recorded around this area include Mediterranean moray, common octopus, wrasses, John Dory, scorpionfish, and various sea slugs.

Punta Scaletta, located on the northeast coast of Giannutri, is a site defined by a shallow plateau and a wall that drops to 55 metres. The site is notable for the remains of an ancient Roman shipwreck, with archaeological fragments visible from the surface due to the 30-metre visibility. Access is by boat only, and the site is suitable for beginners, though divers should be aware of the depth, potential for entanglement, and overhead environments. With an average depth of 25 metres and moderate currents, it offers a distinct experience for both divers and snorkellers.

Punta Secca is a wall and reef dive site located off the coast of Giannutri, Italy. The site features a significant depth range of 14 to 55 metres, with an average depth of 30 metres. Due to the depth and moderate currents, this site is suited for intermediate divers. Access is strictly by boat. Visibility typically ranges between 10 and 30 metres. Species recorded around this area include Mediterranean moray, common octopus, John Dory, scorpionfish, gorgon's head, various wrasses, and several species of sea slugs. Divers should be aware of the deep water and potential for strong currents during their descent.

Cala Maestra is a protected marine site located in Giannutri, Italy, offering a shallow environment ideal for snorkelling. The site features a combination of artificial reef structures, seagrass meadows, and natural reef formations. Divers and snorkellers can explore submerged Roman ruins near the shoreline alongside extensive Posidonia forests. Depths range from 1 to 5 metres, with an average of 3 metres. Entry is possible from both shore and boat. Conditions are generally mild with visibility fluctuating between 5 and 25 metres. Species recorded around this area include Mediterranean Moray, Common Octopus, Scorpionfish, John Dory, various wrasses, and several species of sea slugs.

Grottoni is a diverse dive site off Isola di Giannutri, offering a combination of reef, wall, cave, and drift diving. Suitable for intermediate divers, the site reaches a maximum depth of 30 metres. Divers can expect visibility between 15 and 30 metres, allowing for clear observation of the underwater structures. Currents are generally mild, making the drift sections manageable. Water temperatures fluctuate between 14 and 19 degrees Celsius throughout the year, necessitating a 5mm wetsuit even during summer months. Access to this site requires a boat, and divers should confirm all logistics and equipment availability with local operators before departure, as facilities on the island are limited.

Gli Archetti is a reef site located off the coast of Isola di Giannutri. Accessible only by boat, the site features a depth range of 5 to 30 metres, with an average depth of 15 metres. It is suitable for beginner divers, offering mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 14 and 19 degrees Celsius, necessitating a 5 mm wetsuit. Species recorded around this area include Mediterranean moray, common octopus, wrasses, gorgon's head, sea slugs, John Dory, and scorpionfish. Local facilities provide air fills, equipment rental, and guided tours to assist with your dive planning.