Punta della Vipera, located on the southern border of Civitavecchia, offers a unique snorkeling experience centred around a well-preserved Roman fishpond. The site features both circular and rectangular tanks constructed from ancient masonry, which are now encrusted with marine flora. With depths ranging from 1 to 5 metres and an average of 3 metres, this shore-entry site is suitable for beginners. Conditions vary, with visibility typically between 5 and 15 metres and mild currents. Water temperatures fluctuate seasonally from 14C to 26C. Parking is available for visitors. Please be aware of sharp coral present at the site.

Parete Pierucci is a 300-metre long vertical wall dive located in Italy. The topography features a platform at 8 to 10 metres that drops to a bottom depth of approximately 20 metres. Divers can access the site by boat or from the shore. Conditions are generally suitable for intermediate divers, with mild currents and visibility ranging between 4 and 10 metres. Water temperatures fluctuate seasonally from 14C to 23C. Night diving is permitted at this location. Species recorded around this area include Mediterranean moray, wrasses, scorpionfish, cow snail, Turkish wrasse, Mediterranean violet aeolid, fried egg jellyfish, tompot blenny, flat crab, painted comber, purple sea star, castagnole, two-banded seabream, and mauve stinger.

The Asia is a wreck dive located in Italy, situated at a depth of 42 metres. This site is intended for advanced divers who may visit in pairs or with a guide. Access to the wreck is available via both shore and boat entry. Visibility at the site is variable, typically ranging between 3 and 8 metres depending on weather conditions and currents. Water temperatures fluctuate throughout the year, ranging from 14C in the cooler months to 19C in September. The wreck has been reclaimed to allow for visits in accessible areas according to safety standards.

Canaloni is a reef and canyon site located near the tourist port of Riva di Traiano. The topography features a mix of flat sand, rock formations, and distinct rock tongues that give the site its name. Divers typically explore depths ranging from 18 to 28 metres, with an average depth of 23 metres. Conditions include mild currents and visibility between 2 and 10 metres. Due to the depth, this site is suited for intermediate divers. Access is by boat only, and the site offers a typical dive duration of 45 minutes. Facilities available nearby include parking, showers, changing rooms, a rinse station, and air fills.

Marangone Beach is a pebble beach featuring a boulder-strewn bottom that offers varied topography for divers and snorkellers. Located near Civitavecchia, this site is suitable for beginners, with depths ranging from 2 to 9 metres and an average depth of 5 metres. Shore entry is standard, though visitors should be aware of potential surf and the presence of sea urchins. Visibility typically fluctuates between 5 and 15 metres. The site provides convenient facilities including parking, changing rooms, toilets, showers, and a cafe. Dives here typically last around 30 minutes, and the location is well-suited for casual snorkelling.

Punta del Pecoraro features a diverse underwater topography consisting of a reef, wall, and canyon system. The site also includes small caves and crevices within the rocky promontory. Divers can expect depths ranging from 8 to 17 metres, with an average depth of 12 metres. This shore-entry site is suited for intermediate divers and typically involves a 40-minute dive. Conditions include moderate currents and water temperatures fluctuating between 14C and 24C throughout the year. Snorkellers may also explore the area, which holds a rating of 3 out of 5. Hazards at this location include sea urchins and sharp coral.

Grotta Aurelia is a shallow coastal site near Civitavecchia, Italy, characterised by a mix of reef, cave, and artificial reef structures. The topography consists of rocky crevices and small grotto-like overhangs. With an average depth of 4 metres, this site is accessible from the shore and is suitable for beginners. Conditions are generally mild, though divers and snorkellers should be aware of sea urchins and sharp coral in the area. Facilities available at the site include showers, toilets, boat charter services, and guided tours. Typical dives last approximately 30 minutes, and the site is rated 3 out of 5 for snorkelling.

Il Pirgo is a popular shore-entry site located near the city centre of Civitavecchia. The topography consists of a natural reef complemented by an artificial reef formed by a semi-outcropping breakwater cliff. This structure protects the swimming area, resulting in mild currents suitable for beginners. Water temperatures fluctuate between 14C and 26C throughout the year. Species recorded around this area include Mediterranean moray, wrasses, scorpionfish, and various invertebrates such as sea stars and flat crabs. Facilities at the site include parking, toilets, showers, a cafe, equipment rental, and first aid. Divers and snorkellers should be aware of sharp coral present in the area.