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.

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.

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.

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.

Punta San Francesco is a challenging wall and reef dive located off the coast of Isola di Giannutri. The site features a dramatic drop-off starting at 12 metres and extending to 90 metres, with an average depth of 30 metres. Visibility is consistently 30 metres, allowing for clear views of the wall structure. Due to the extreme depth profile and potential for strong currents, this site is reserved for advanced divers. Boat support is required for all entries and exits. Water temperatures range from 14 to 17 degrees Celsius, necessitating the use of a thick wetsuit or drysuit. Divers should monitor their depth and gas consumption closely throughout the 60-minute dive.

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.

Nasim is a deep-water dive site located off the coast of Giannutri, Italy. The site features a significant depth range of 45 to 60 metres, making it suitable for experienced technical divers. Access to the site is available via both shore and boat entries. Underwater visibility at Nasim varies between 10 and 30 metres depending on prevailing conditions. Water temperatures remain cool throughout the year, ranging from 14C to 17C. Due to the depth and environmental conditions, this site is intended for advanced divers with appropriate training and equipment for deep-water exploration.

The Anna Bianca is a wreck site located 91 metres off the coast of Giannutri, Italy. Resting at depths between 33 and 52 metres, this site is accessible only by boat and is suited for intermediate divers with appropriate deep diving qualifications. Visibility is consistently 30 metres, allowing for clear views of the structure. The site features mild currents, though the depth requires careful planning to manage nitrogen narcosis and bottom time. Divers should avoid entering the wreck to prevent entanglement risks in the overhead environment. Water temperatures range from 14 to 18C, necessitating thermal protection. Species recorded around this area include Mediterranean moray, common octopus, wrasses, and various sea slugs.