Corallo Nero is a deep reef site located 2000 metres offshore within the Portofino Marine Park. The site features a rock structure colonised by dense formations of red gorgonians. Divers typically encounter depths between 32 and 38 metres, with an average of 35 metres. Visibility ranges from 15 to 30 metres. Conditions include mild currents, though stronger currents can occur, requiring careful monitoring of bottom time and decompression obligations. Due to the depth and potential for nitrogen narcosis, this site is strictly for advanced divers. Access is by boat only, and guided tours are available through local dive shops.

I Magazzini is a marine dive site situated within the Portofino Marine Park in Italy. The site features a consistent depth of approximately 12 metres. Conditions at this location vary throughout the year, with water temperatures ranging from 14C in the late winter and early spring to 24C during the summer months. As a marine environment, the site is accessible for diving activities. Divers should be prepared for seasonal temperature fluctuations when planning their visit to this part of the Ligurian coast.

Secca del Garage is a combined natural and artificial reef located 500 metres offshore within the Portofino Marine Park. The site features a depth range of 16 to 32 metres, with an average depth of 27 metres. Divers access the reef by boat. Visibility varies between 10 and 30 metres, while currents are typically absent. Given the maximum depth of 32 metres, this site is classified as intermediate territory requiring careful monitoring of decompression limits. Water temperatures range from 14 to 19 degrees Celsius throughout the year. Local facilities provide air fills, equipment rental, and guided tours for those planning a visit.

Biboz is a deep pinnacle located within the Portofino Marine Park. The site structure descends from 38 to 52 metres, with an average depth of 45 metres, making it suitable only for advanced divers. Divers must manage bottom time and decompression obligations carefully due to the significant depth. Conditions are generally manageable with mild currents and visibility ranging from 10 to 30 metres. Access to this site is exclusively by boat. Given the depth range, divers should ensure thorough gas planning and equipment preparation before departure, as facilities are not available on-site.

Il Canalone is a wall and reef dive located in the Portofino Marine Park. The site features a rock spur extending underwater, with a notable wall dropping from 20 to 30 metres. Divers typically experience depths ranging from 8 to 30 metres, with an average depth of 25 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and the depth profile. Visibility generally ranges between 10 and 30 metres. Water temperatures fluctuate between 14C and 19C throughout the year. Typical dives last approximately 45 minutes. Air fills, equipment rental, and guided tours are available for visitors.

Secca delle Spugne is a deep reef located 500 metres offshore within the Portofino Marine Park. The site is defined by a reef structure situated between 42 and 46 metres, requiring advanced certification for access. Divers reach the site by boat, where they may encounter mild to strong currents. Visibility at this depth fluctuates between 5 and 20 metres, and water temperatures remain consistent between 14 and 17 degrees Celsius throughout the year. Due to the depth and potential for strong currents, strict monitoring and a well-briefed buddy are essential. Night diving is permitted at this location, necessitating the use of redundant torches.

Isola di Bergeggi, located within the Portofino Marine Park, offers a diverse underwater landscape featuring reefs, walls, caves, drop-offs, and canyons. This site is accessible only by boat, situated 100 metres from the shore. Divers can expect depths ranging from 8 to 32 metres, with an average of 18 metres. Conditions include moderate currents and visibility between 10 and 30 metres. Marine life frequently recorded here includes wrasses, bream, and salema porgy. Less common sightings include Mediterranean moray, scorpionfish, Turkish wrasse, lizardfish, wide-eyed flounder, Mediterranean cardinalfish, painted comber, striped red mullet, white seabream, two-banded seabream, and castagnole. The site is suitable for intermediate divers and supports night diving.

Franata is a rocky reef located within the Portofino Marine Park. Divers enter from the shore to explore a steep slope that descends to a maximum depth of 30 metres. The topography is characterised by numerous burrows and holes in the rock face, which provide shelter for various marine life. Divers regularly encounter Mediterranean moray, scorpionfish, and wrasses, including the Turkish wrasse. Other species recorded here include bream, lizardfish, painted comber, Mediterranean cardinalfish, striped red mullet, white seabream, castagnole, two-banded seabream, salema porgy, and mullet. Conditions vary with visibility ranging from 5 to 15 metres and mild currents. This site is suitable for intermediate divers and supports night diving.