San Giovanni Li Cuti is a distinctive urban snorkelling site located in Catania, Italy. The topography is defined by a black volcanic sand beach interspersed with large lava boulders that form a natural and artificial reef structure. Entry is via the shore, making it accessible for beginners. Conditions vary, with mild currents and potential hazards including surf and boat traffic. Water temperatures fluctuate between 15C and 27C throughout the year. Species recorded around this area include wrasses, Mediterranean moray, European common cuttlefish, common octopus, and various sea slugs and flatworms. This site is suitable for those seeking a quick, accessible snorkel within the city limits.

Ulysses' Caves in Catania are a series of sea caves formed by ancient lava flows. The site features volcanic tunnels and arches that create distinct light effects. Accessible only by boat, the area offers depths ranging from 2 to 18 metres with mild currents. Snorkellers should be aware of sea urchins and sharp coral within the cave structures. While marine life is not confirmed at this specific site, species recorded around this area include wrasses, Mediterranean morays, common octopuses, and European common cuttlefish. Due to the nature of the cave environment, this site is recommended for advanced snorkellers.

Gorgonie is a reef and wall dive site located off the coast of Catania. The site is characterised by rocky seabed formations featuring large red gorgonian fans, which can reach up to one metre in height. Divers should be prepared for depths ranging from 15 to 50 metres, with an average depth of 35 metres. Due to the depth and the presence of moderate to strong currents, this site is reserved for advanced divers. Access is exclusively by boat. Water temperatures remain cool throughout the year, fluctuating between 15C and 19C.

Archi e Grotte in Catania is defined by its volcanic topography, shaped by ancient lava flows that reached the sea approximately 15,000 years ago. This site features a series of arches of varying sizes and underwater caves. With depths ranging from 6 to 18 metres, it is suitable for beginners while remaining interesting for experienced divers. Access is by boat only. Divers should be prepared for mild currents and potential low visibility. As this is an overhead environment, appropriate caution is required when exploring the cave structures. Facilities including air fills, equipment rental, and guided tours are available through local dive shops.

Pinnacoli is a dive site located off the coast of Catania, Italy, featuring a topography of lava rock formations, walls, and pinnacles. The site maintains an average depth of 18 metres and is accessible via boat. Divers can expect mild currents and visibility ranging from 20 to 40 metres. The site is suitable for beginners and offers guided tours. Species recorded around this area include wrasses, common octopus, Mediterranean moray, European common cuttlefish, great barracuda, giant doris, Mediterranean violet aeolid, European parrotfish, sea slugs, Turkish wrasse, barried anemone, cow snails, flatworms, and fried egg jellyfish. Boat traffic is a noted hazard at this location.

Ricci Matita is a wall dive site located in Catania, Italy, offering a challenging experience for advanced divers. The topography features a varied seabed composed of a mix of sand and rock. Divers can explore depths ranging from 15 to 51 metres. Conditions are generally favourable with visibility between 15 and 40 metres and mild currents. Access to this site is exclusively by boat. Due to the significant depth and potential for boat traffic, this site is suited for experienced divers. Water temperatures fluctuate between 15C and 19C throughout the year.

Cerianthus 38 mt is a challenging dive site located in Catania, Italy, featuring a varied topography of volcanic rock and sand. This site is suitable for advanced divers due to the depth, which reaches 38 metres. Access is by boat only, and divers should be aware of boat traffic in the area. Conditions include mild currents and water temperatures ranging from 15C to 20C throughout the year. Species recorded around this area include wrasses, common octopus, Mediterranean moray, European common cuttlefish, and various sea slugs. The site requires careful management of depth and awareness of local marine life.

Isolotto e Anfore is a volcanic rock formation rising from a sandy seabed off the coast of Catania. This reef and wall site features lava rock crevices and reaches depths between 15 and 38 metres, with an average depth of 30 metres. Access is by boat only, as the site is located 3500 metres from the shore. Divers should be aware of the deep nature of the site and potential entanglement hazards. Conditions are generally characterised by mild currents, with water temperatures ranging from 15C to 20C throughout the year. This site is suited for intermediate divers.