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.

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.

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.

Sotto Il Castello is a shallow reef site located in Catania, Italy. The site is suitable for beginners, with depths ranging from 5 to 9 metres and an average depth of 7 metres. Access to the site is by boat. Conditions are generally mild, with water temperatures fluctuating between 15C in the winter and 26C during the summer months. A typical dive at this location lasts approximately 50 minutes. Night diving is permitted at this site. Shore-based facilities including parking, toilets, showers, changing rooms, air fills, a dive shop, and a cafe are available nearby.

Snorkelling at Aci Castello in Catania offers a unique volcanic landscape defined by underwater lava pillows. This site is accessed from the shore and is best suited for intermediate snorkellers due to the depth and conditions. The topography features dramatic volcanic formations that create numerous crevices and habitats. While specific sightings vary, species recorded around this area include wrasses, Mediterranean moray, common octopus, European parrotfish, and various sea slugs. Water temperatures fluctuate significantly throughout the year, ranging from 15C in the winter months to 27C in August. The site provides a distinct perspective of the local geology and marine environment near the base of the historic Norman Castle.

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.

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.