Relitto Toikosan Maru is a historical shipwreck located near the Riserva Naturale della Timpa di Acireale in Catania. Access is restricted to guided dives authorised by the Sovrintendenza per i Beni culturali e Ambientali del Mare and the Capitaneria di Porto di Catania. Divers reach the site via a 20-minute boat journey, descending along the anchor chain to a depth of 6 metres before reaching the wreck. The site lies at depths between 20 and 38 metres, with an average of 34 metres. Due to the depth and overhead environment, this site is suitable for advanced divers. Conditions include mild currents and water temperatures ranging from 14C to 20C.

Canalone is a dive site located near the village of Capomulini, accessible by a 15-minute boat ride from Catania. The site features a distinctive canyon formed by two lava rock walls that extend horizontally for approximately 50 metres. Divers typically descend to 12 metres before reaching the edge of the wall at 15 metres. The site ranges in depth from 12 to 30 metres, with an average depth of 20 metres. Conditions are generally suitable for intermediate divers, though currents can be mild and the site requires boat access. Divers should be aware of the risks associated with depth, nitrogen narcosis, and potential current changes.

Canaloni is a reef dive near Catania that descends from 30 to 50 metres. This site is characterised by strong currents, making it suitable for experienced divers with solid drift diving skills and appropriate deep-dive certification. Visibility typically ranges from 10 to 30 metres. Water temperatures fluctuate between 14 and 19 degrees Celsius throughout the year, necessitating the use of a well-rated wetsuit or drysuit. Access to the site is exclusively by boat. Divers should consult local operators for current conditions and safety information before planning a dive.

Capo Mulini Lighthouse near Catania offers a varied underwater landscape featuring rocky seabeds, caves, and artificial reef structures. This site is suitable for beginners, with depths ranging from 2 to 18 metres and an average depth of 10 metres. Divers and snorkellers can access the water directly from the shore. Conditions are generally mild, though visitors should be aware of sharp coral in the area. Facilities at the site include parking, toilets, and a dive shop with equipment rental available. A typical dive lasts approximately 60 minutes, providing a quiet alternative to the busier coastal areas nearby.

Grotta delle Palombe is a cave dive site situated at the foot of the Timpa Nature Reserve. The topography is defined by columnar basalts, with depths ranging from 2 to 40 metres. Divers may encounter mild currents and should be aware of potential surge conditions. Access is possible by both shore and boat, though a boat is required to reach the site. Water temperatures fluctuate between 14C and 20C throughout the year. Species recorded around this area include Mediterranean Moray, Common Octopus, Great Barracuda, European Common Cuttlefish, various wrasses, sea slugs, and flatworms. Facilities including air fills and equipment rental are available for visiting divers.

Panettoni, located near Catania, features a combination of natural and artificial reef structures. This site is suitable for beginner divers, offering depths between 20 and 25 metres. Divers can expect mild currents and visibility ranging from 10 to 25 metres. Access is possible via both shore and boat entries. Species recorded around this area include wrasses, Mediterranean moray, common octopus, great barracuda, European common cuttlefish, Turkish wrasse, Mediterranean violet aeolid, European parrotfish, sea slugs, giant doris, cow snails, Cratena slugs, Harlequin sea goddess, and flatworms. Check locally for current facility information and confirm entry methods before arrival.

Isola Lachea is the largest island of the Cyclopean archipelago near Catania, Italy. This site features a distinct underwater landscape formed by volcanic activity. As a strictly protected marine area, it offers a unique environment for snorkelling. Access to the water is possible via both shore and boat entries. Conditions vary throughout the year, with water temperatures ranging from 15C in the winter months to 27C in August. This site is best suited for intermediate snorkellers looking to explore the volcanic topography of the region.

Aci Trezza Solarium in Catania offers shore-based snorkelling access via wooden platforms equipped with ladders. This site features basalt formations and the base of sea stacks, providing a unique underwater landscape. The area is suitable for beginners, with mild currents and water temperatures ranging from 15C to 27C throughout the year. Facilities at the site include showers, changing rooms, and a dive shop. Snorkellers can expect a typical session duration of 120 minutes. The site is well-regarded for its accessibility and direct entry into deeper water, making it a practical choice for those exploring the volcanic coastal features of the region.