Spiaggia Portiglione is a wild, unequipped cove situated near the Monterosso sailing club in the direction of Punta Mesco. This site features a varied topography consisting of rocky reefs interspersed with Posidonia seagrass meadows. Snorkellers can explore depths starting from two metres. Access is via the shore, and the site is suited for intermediate snorkellers due to the presence of mild currents. Water temperatures fluctuate significantly throughout the year, ranging from 14C in the late winter to 27C in August. Divers and snorkellers should be aware of sharp coral present in the area.

Fegina Beach in Monterosso offers shore-based snorkeling opportunities, particularly at the northern end near the Giant statue. The site features a rocky base along the promontory that provides a habitat for various fish in relatively shallow water. Conditions at this marine site vary, with water temperatures ranging from 14C in the winter months to 27C during August. The location is suitable for beginners looking for accessible shore entry. Snorkelers should be prepared for changing conditions typical of the Cinque Terre coastline.

Scogli di Torre Aurora is a rocky reef located directly beneath the medieval Aurora Tower in Vernazza, Italy. This site separates the Fegina and Old Town districts and features large rocks with deep crevices. Snorkellers can explore depths starting from two metres. Conditions vary, with visibility typically ranging between 5 and 15 metres and currents generally remaining mild. Access is via the shore. Due to the rocky terrain and variable conditions, this site is best suited for intermediate snorkellers. Water temperatures fluctuate significantly throughout the year, ranging from 14C in the winter months to 27C in August.

Punta Mesco is a prominent reef and wall site located at the tip of a promontory near Vernazza. This site features steep underwater cliffs and drop-offs that descend to depths between 8 and 18 metres, with an average depth of 12 metres. Due to the strong currents and deep topography, this site is suited for advanced divers. Access is exclusively by boat, with the site situated 500 metres from the shore. Visibility typically ranges from 5 to 15 metres. The area is also highly regarded for snorkelling. Facilities including parking, showers, changing rooms, and air fills are available nearby.

Tragagià is a shore-entry reef site located at the eastern end of the beach in Vernazza. Snorkelling is most productive around the large boulders at the base of the cliffs, where the water remains relatively calm. The site is suitable for beginners, with depths ranging from 2 to 8 metres and an average depth of 4 metres. Conditions vary, with visibility between 5 and 20 metres and mild currents. Water temperatures fluctuate from 14C in winter to 27C in August. Facilities including showers and changing rooms are available for visitors. Be aware of jellyfish, which are a potential hazard at this location.

The Vernazza Blue Snorkeling Trail is an official snorkeling lane beginning at the entrance of the Vernazza port and extending along the coastline toward Monterosso. This site features a mix of rocky reef and seagrass habitats, providing a varied underwater environment. Snorkellers can expect depths ranging from 1 to 10 metres, with an average depth of 5 metres. Access is via the shore, and the site is suitable for beginners. Conditions generally feature mild currents, though visitors should be aware of potential hazards including jellyfish, sea urchins, and sharp coral. A typical snorkel session lasts approximately 30 minutes.

Sacca Sorriso, located off the coast of Vernazza, is a marine dive site with a consistent depth of 12 metres. The site is suitable for divers seeking a shallow, stable environment. Water temperatures fluctuate throughout the year, ranging from 14C in the late winter to 25C during the summer months. While specific sightings at this exact location are not confirmed, species recorded around this area include European Common Cuttlefish, various wrasses, bream, and several types of crustaceans such as crabs and hermit crabs. Divers may also encounter jellyfish and brittle stars in the surrounding habitat.

Canyon is a marine dive site located off the coast of Vernazza, Italy. The site features a consistent depth of approximately 10 metres. Conditions at this location vary, with water temperatures ranging from 14C in the winter months to 25C during the peak of summer. Given the shallow depth, the site is accessible for divers of various experience levels. Access to the site is typically via boat from the nearby coast of the Cinque Terre. As a marine environment, the site is subject to standard coastal conditions, and divers should plan their dives according to local weather and sea states.