Secca delle Formiche di Vivara is an offshore reef site located 300 metres from the coast of Ischia. This varied topography features reef structures and cave sections ranging from 4 to 30 metres in depth, with an average depth of 15 metres. Due to strong currents, this site is suited for intermediate divers and requires boat access. Visibility typically spans 10 to 30 metres. Divers should exercise caution regarding sharp rocks and coral when navigating the water column. Water temperatures fluctuate between 14C and 21C throughout the year. Guided tours and air fills are available to assist with navigating the site safely.

Secca di Miseno is a boat-access site on the Sorrento Peninsula featuring a combination of natural reef, wall, and artificial reef structures. The terrain spans depths from 22 to 45 metres, with an average depth of 30 metres. Visibility typically ranges between 10 and 30 metres, and water temperatures fluctuate from 14C to 18C. Due to the significant depth, the site presents risks including decompression requirements and nitrogen narcosis. Divers should monitor depth and nitrogen saturation levels closely. The site is suitable for intermediate divers and supports night diving. Facilities including air fills, changing rooms, showers, and guided tours are available nearby.

Castello Aragonese in Ischia features a shallow reef and cave system ranging from 2 to 5 metres in depth. This site is suitable for intermediate divers, offering visibility between 10 and 30 metres. Divers can access the site via shore or boat. Conditions include moderate currents, which require careful navigation. Due to active boat traffic in the area, the use of a surface marker buoy is essential during all ascents. Water temperatures fluctuate between 15C and 27C, though cold water intrusions can occur in deeper sections. On-site facilities include changing rooms, showers, air fills, and equipment rental.

Sea World is a shore-entry dive site located off Ischia, Italy, featuring a combination of an artificial reef and a wreck. The site sits at depths ranging from 4 to 16 metres, with an average depth of 10 metres, making it accessible for beginner divers. Due to the presence of the wreck, the site includes an overhead environment; divers should exercise caution and avoid entering enclosed sections unless properly trained. Water temperatures fluctuate between 14C and 25C throughout the year. As visibility and currents can vary significantly, it is recommended to check local conditions with a dive operator before planning a dive.

Punta San Pancrazio in Ischia, Italy, features a combination of reef and wall topography that descends into deep water. Divers can explore depths ranging from 18 to 40 metres, with an average depth of 25 metres. The site is suitable for intermediate divers, offering a vertical profile that requires careful monitoring of depth and nitrogen narcosis. Visibility typically ranges between 10 and 25 metres, while currents remain mild. Access is available via both shore and boat. Facilities provided at the site include changing rooms, showers, air fills, and guided tours to assist with buoyancy and depth management during the dive.

Villa con Ingresso a Protiro is a submerged archaeological site located within the Baia archaeological park off the coast of Ischia. This monumental complex features the remains of an ancient urban structure, including a street, taverns, and a private villa defined by its small portico. Divers can explore a series of rooms surrounding a central atrium, where black and white mosaic tiles remain visible on the floor. The site is shallow, with an average depth of 4 metres, and is accessible only by boat. Conditions are generally mild, though divers should remain aware of boat traffic in the area. The site is suitable for beginners.

Terme del Lacus is a marine dive site located within Zone A of the park in Ischia, Italy. This site is notable for a submerged polychrome mosaic discovered on the seabed. The site is shallow, with an average depth of 4 metres and a maximum depth of 5 metres. Access is strictly by boat. Conditions include mild currents and visibility ranging from 3 to 10 metres. Water temperatures fluctuate between 14C in March and 27C in August. Divers should be aware of potential hazards including entanglement and sharp coral. Facilities available at the site include air fills, equipment rental, changing rooms, showers, and a rinse station.

Cassamiciola is a reef and wall dive located off the coast of Ischia, Italy. The site features depths ranging from 15 to 20 metres, with an average depth of 18 metres. It is suitable for beginner divers, offering mild currents and visibility between 10 and 30 metres. Access is by boat only, and divers should remain vigilant regarding boat traffic during ascent and descent. The topography includes a reef wall with sharp coral and rock formations, requiring careful buoyancy control to avoid injury. Water temperatures fluctuate between 14C and 23C throughout the year, necessitating appropriate thermal protection during the cooler months.