Santa Lucia is a deep-water site located 1000 metres off the coast of Ventotene, featuring a combination of wreck, reef, cave, and wall topography. The site reaches depths of 45 to 50 metres, requiring advanced certification and careful dive planning. Visibility ranges from 10 to 30 metres, and water temperatures fluctuate between 14 and 18 degrees Celsius, necessitating appropriate thermal protection. Access is exclusively by boat. Due to the significant depth, divers must maintain strict awareness of their dive profile and monitor computers closely to manage decompression requirements. On-site facilities include a dive shop providing air fills, guided tours, and gear storage.

Punta Eolo is located at the northern tip of Ischia near the ruins of Villa Giulia. This site features a varied topography consisting of natural rock formations and archaeological remains. Divers and snorkellers can explore a depth range of 2 to 20 metres, with an average depth of 7 metres. The site is accessible by both shore and boat. Conditions include moderate currents and visibility ranging from 5 to 20 metres. Water temperatures fluctuate between 15C and 25C throughout the year. This location is suitable for intermediate divers and offers a high-quality experience for snorkellers.

Le Sconciglie is a reef dive site located off the coast of Ischia, Italy. The site is accessed by boat and is suitable for beginner divers. The topography consists of a reef structure with a consistent depth of approximately 10 metres. Water temperatures in this area fluctuate throughout the year, ranging from 15C in the late winter and early spring to 26C during the peak of summer in August. As a boat-based dive, it offers a straightforward underwater experience for those looking to explore the local reef environment.

Cala Rossano is a sheltered sandy bay situated near the Porto Nuovo on Ischia. The site features calm, shallow waters, making it a suitable location for beginners and families. Snorkellers can explore the rocky edges that border the sandy bottom. Access to the water is via the shore. Water temperatures at this site vary throughout the year, ranging from 15C in the late winter and early spring months to 27C in August. The site provides a relaxed environment for those looking to snorkel in a protected coastal setting.

Parata Grande is a rocky ridge located off the northwest coast of Ischia. This reef site features vertical walls and reaches depths between 2 and 15 metres, with an average depth of 8 metres. Due to local landslide risks, land access is closed, making boat access necessary for all visitors. The site is suitable for intermediate divers and offers a high-quality experience for snorkellers. Species recorded around this area include various wrasses, bream, scorpionfish, and common octopus. Divers should be aware of sharp coral present on the reef structure. Guided tours are available, and a cafe can be found nearby.

Il Faro, located near the historic lighthouse and the Roman Port in Ischia, offers a shore-based snorkelling experience. The site is characterised by flat tuff rocks that provide a straightforward entry into the water. Snorkellers can explore a series of small caves and crevices along the rocky coastline. Conditions at this site vary, with water temperatures ranging from 15C in the winter months to 27C in August. Given the accessible nature of the entry and the shallow topography, this site is suitable for beginners.

Cala Nave is a volcanic sand beach on Ventotene, offering accessible snorkeling around the Nave di Fuori and Scoglietello rocks. The site features a mix of reef and seagrass habitats, specifically Posidonia meadows. Depths range from 1 to 10 metres, with an average of 5 metres, making it suitable for beginners. Access is available from both the shore and by boat, located approximately 100 metres from the coast. Conditions are generally mild, though visibility can fluctuate between 5 and 20 metres. Water temperatures vary significantly throughout the year, ranging from 15C in winter to 27C in August. Be aware of jellyfish, which are a known hazard in these waters.

Parata della Postina is a reef site located 500 metres off the coast of Ischia, Italy. This location is defined by its unique geological formations, specifically semi-submerged tuff arches. The site is suitable for intermediate snorkellers, with depths ranging from 2 to 15 metres. Access is strictly by boat. Water temperatures fluctuate significantly throughout the year, ranging from 15C in the cooler months to 27C in August. Snorkellers should be aware of the presence of jellyfish in the area. The site offers a mild current, making it a manageable environment for those with appropriate experience.