Casa del Sindaco in Portofino, Italy, offers a varied underwater topography consisting of a wall, canyon, and reef. The site is suitable for advanced divers due to its depth range of 10 to 50 metres and the requirement for boat access. Divers should be aware of boat traffic in the area. Visibility at this location typically ranges between 5 and 15 metres, with water temperatures fluctuating between 14C and 17C throughout the year. As an advanced site, it provides a challenging environment for those experienced in deep diving and navigating complex underwater structures.

Olivetta Bay in the Portofino Marine Park offers a varied underwater topography featuring rocks, walls, and sandy patches covered in posidonia. Divers enter from the shore at a depth of six metres, with the seabed sloping gradually to a maximum of 25 metres. The site is suited for intermediate divers, with mild currents and visibility ranging between 15 and 30 metres. The walls are characterised by yellow parazoanthus growth. Water temperatures fluctuate throughout the year, ranging from 14C in late winter to 21C in September. Divers should be aware of sea urchins and sharp coral present in the area.

Punta Giasso, also known as Vitrale, is a diverse marine site located within the Portofino Marine Park. The topography features a combination of reef, wall, and seagrass habitats. Divers and snorkellers can explore depths ranging from 5 to 15 metres, with an average depth of 10 metres. Access to the site is by boat, as it is situated 1000 metres from the shore. Conditions vary, with moderate currents and visibility typically between 10 and 25 metres. Water temperatures fluctuate throughout the year, ranging from 14C in the winter to 23C in the summer months. The site is suitable for intermediate divers and offers excellent conditions for snorkelling.

Lighthouse in Portofino, Italy, is a marine dive site with a consistent depth of 13 metres. Conditions at this location vary, with water temperatures ranging from 14C in the winter months to 23C during the summer and early autumn. Species recorded around this area include wrasses, Mediterranean moray, great barracuda, common octopus, and European common cuttlefish. Divers may also encounter various invertebrates such as the cow snail, Mediterranean violet aeolid, banded coral shrimp, and Cratena slug. This site is suitable for divers looking for a shallow, consistent depth profile.

Il Bigo is a wall and reef site located off Portofino, Italy, featuring a depth range of 5 to 40 metres. The site is suitable for intermediate divers who can manage variable visibility and potential currents. Water temperatures fluctuate between 14 and 18 degrees Celsius, necessitating appropriate thermal protection. Access is exclusively by boat. Divers must remain vigilant regarding boat traffic at the surface and are advised to deploy a delayed surface marker buoy from depth. Due to the potential for strong currents and shifting conditions, it is recommended to consult with a local dive operator regarding the deeper sections of the wall before entry.

Faro di Portofino is located at the easternmost tip of the promontory in the Portofino Marine Park. This site features a wall and reef topography subject to moderate currents, making it suitable for intermediate divers and snorkelers. Depths range from 12 to 50 metres, with an average of 20 metres. Access is by boat only, as the site is situated 500 metres from the shore. Visibility typically varies between 10 and 30 metres. Divers should be aware of boat traffic, deep water, and potential currents. Species recorded around this area include wrasses, Mediterranean moray, scorpionfish, and various nudibranchs such as the Mediterranean violet aeolid and cow snail.

Baia Cannone is a small cove located in Santa Margherita Ligure, offering a rocky seabed and reef environment suitable for beginners. Access is via a steep metal staircase leading from the main road down to the water. The site features depths starting at 3 metres, with visibility typically ranging between 15 and 30 metres. Conditions are generally mild, though snorkelers should be aware of potential surf. Facilities available at the site include changing rooms and showers. The location is well-suited for snorkelling, providing a sheltered environment near the cliffs of the Portofino Marine Park area.

Punta Vessinaro is a marine dive site located 1000 metres off the coast of Portofino, Italy. The topography consists of a wall, canyon, and reef system reaching depths between 18 and 40 metres, with an average depth of 35 metres. Access is by boat only. The site features patches of Posidonia oceanica and red gorgonian specimens, particularly at depths starting around 30 metres. Divers may encounter moderate currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate between 14C and 18C throughout the year. Species recorded around this area include wrasses, Mediterranean moray, scorpionfish, and various nudibranchs.