Cala Grande in La Spezia offers a varied underwater experience combining a shallow reef with a cave system. Suitable for beginners, the site features depths ranging from 7 to 20 metres with an average of 12 metres. Divers access the site by boat, located 1000 metres from the shore. Conditions are generally mild with visibility between 10 and 25 metres. The cave section presents an overhead environment, requiring careful buoyancy control and awareness of ceiling restrictions. Divers should ensure torches are prepared before entering the swim-throughs. Facilities including showers and toilets are available for use after the typical 45-minute dive.

Punta dell'Isola Palmaria, located near La Spezia, offers a diverse underwater environment featuring a combination of reef, wall, and cave formations. Divers can explore depths ranging from 5 to 20 metres, with an average depth of 12 metres. The site is accessible by boat, with entry points located approximately 500 metres from the shore. Visibility typically ranges between 10 and 30 metres, allowing for clear observation of the varied topography. Conditions include moderate currents, requiring careful dive planning. Water temperatures fluctuate between 14C and 23C throughout the year, necessitating appropriate thermal protection. As there are no facilities on-site, divers must arrive fully self-sufficient with all necessary equipment.

Punta del Tino is a reef dive located 1500 metres off the coast of La Spezia, Italy. The site offers depths ranging from 8 to 19 metres, with an average depth of 15 metres, making it suitable for beginners. Divers can explore colonies of Pentapora fascialis and sea fans, including Paramuricea clavata, Leptogorgia sarmentosa, and Eunicella verrucosa. Visibility varies significantly between 5 and 20 metres, and currents remain mild. Access to this site is by boat only. Divers should maintain neutral buoyancy to avoid contact with sea urchins present on the reef. Water temperatures fluctuate between 14 and 23 degrees Celsius throughout the year.

Grotta Byron is a cave and reef site located 200 metres from the shore near La Spezia. Accessible only by boat, the site features depths ranging from 5 to 20 metres with an average of 12 metres. Divers typically experience mild currents and visibility between 15 and 25 metres. The topography includes a small cove and cave structures suitable for beginner divers. Hazards at this location include boat traffic, surge, surf, and potential jellyfish. Dives here generally last around 40 minutes. Water temperatures fluctuate throughout the year, ranging from 14C in the winter months to 23C in late summer.

Grotta del Tinetto is a boat-access site located on the islet of Tinetto near La Spezia. The site features a semi-submerged cave system that offers distinct light effects for visitors. A notable feature is the statue of the White Madonna, which is positioned just below the surface. The site reaches depths of 15 to 18 metres, with visibility typically ranging between 5 and 10 metres. Water temperatures fluctuate between 14C and 23C throughout the year. Due to the nature of the site, divers and snorkellers should remain aware of boat traffic in the area.

Punta Persico is a reef and wall site located in La Spezia, Italy, featuring depths between 5 and 18 metres. The topography consists of a wall structure that attracts divers for its varied terrain. Access is by boat only, and the site is suitable for intermediate divers who can manage mild currents. Visibility typically ranges from 15 to 30 metres, though it can shift unpredictably, requiring careful depth monitoring. The site is open for night diving, and a cafe is available nearby for post-dive refreshments. Divers should carry a torch to observe the wall details during their 45-minute dives.

Le Rosse is a reef site located off the coast between Portovenere and Riomaggiore, characterised by distinctive red rock formations. Situated 1000 metres from the shore, this site requires boat access and is suitable for intermediate snorkelers. The underwater topography mirrors the colourful cliffs found above the surface. Depths range from 2 to 15 metres, with an average of 8 metres. Conditions vary, with visibility ranging between 5 and 25 metres and moderate currents present. Hazards at this location include jellyfish, sharp coral, and strong currents. Facilities available nearby include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a dive shop, and boat charter services.

Santerenzo is a shore-entry reef dive located in La Spezia, Italy. The topography features a bottom that slopes from the surface to a maximum depth of 45 metres, with an average depth of 15 metres. Conditions are generally manageable with mild currents and visibility ranging between 5 and 20 metres. Due to water temperatures between 14 and 18 degrees Celsius, adequate thermal protection is necessary. The site is well-supported by local facilities including parking, toilets, showers, changing rooms, and air fills. While the site is rated for beginners, divers should monitor their depth carefully to avoid the deeper sections of the reef.