Los Islotes is a reef and pinnacle site located 2000 metres off the coast of Mataro, Spain. Designed for advanced divers, the site features depths between 19 and 24 metres. The topography consists of rocky terrain requiring precise buoyancy control to avoid sharp coral and rocks. Divers should be prepared for mild currents, though surge and swell can occasionally increase the challenge. Visibility is highly variable, ranging from 5 to 30 metres depending on seasonal conditions. Access is strictly by boat, and divers must remain vigilant for boat traffic when surfacing. Water temperatures fluctuate significantly throughout the year, ranging from 13C in winter to 23C in summer.

Els Canals is a reef and canyon site located off Mataro, Spain. The topography features rocky walls and sandy patches, with depths ranging from 12 to 18 metres. Visibility is generally good, between 15 and 30 metres, and currents remain mild, making it suitable for beginner divers. Access is by boat only. Divers should be aware of boat traffic when surfacing and avoid contact with sharp rock formations. Species recorded around this area include common octopus, Mediterranean moray, wrasses, scorpionfish, various nudibranchs, and sea stars. Air fills, equipment rental, and guided tours are available locally to support your dive.

Xori B is a boat-access reef located 1000 metres off the coast of Mataro, Spain. The site features a reef structure ranging from 5 to 18 metres in depth, with an average depth of 12 metres. Conditions are generally mild, with visibility typically between 5 and 15 metres. The site is suitable for beginner divers, though caution is required around the reef structure due to sharp coral and rocks. Divers should avoid contact with the sea floor and reef surfaces to prevent injury. Boat charters and guided tours are available through local dive shops to facilitate access to the site.

Negre is a marine site in Mataro, Spain, featuring a combination of a shallow reef and a wall that descends to 25 metres. With an average depth of 13 metres and mild currents, the site is suitable for beginners. Visibility ranges from 10 to 30 metres, allowing for clear observation of the white gorgonians and rock fauna. Species recorded around this area include Mediterranean moray, common octopus, great barracuda, marbled electric ray, wrasses, Turkish wrasse, flatworms, Mediterranean violet aeolid, cow snail, scorpionfish, Cratena slug, flamingo tongue, torpedo ray, and sea stars. Boat access is required, and local facilities provide air fills and charter services.

Barreta D’en Serra is a reef dive located off Mataro, Spain, suitable for beginner divers. The site features a rocky structure reaching depths between 18 and 20 metres, with an average depth of 19 metres. Access is by boat, and divers typically experience mild currents. Visibility at the site can vary, so checking local reports before departure is recommended. Water temperatures fluctuate significantly throughout the year, ranging from 13C in winter to 24C in late summer. Species recorded around this area include Mediterranean moray, common octopus, marbled electric ray, great barracuda, various wrasses, scorpionfish, and sea stars, alongside several nudibranch and flatworm species.

El Circus is a reef site located off Mataro, Spain, accessible exclusively by boat. The site features a reef structure reaching depths of up to 18 metres, characterised by mild currents. It is well-suited for beginner divers looking to build confidence in a manageable environment. Divers should be aware of sharp rock formations throughout the reef and exercise caution regarding boat traffic during surface intervals and ascents. Water temperatures fluctuate seasonally, ranging from 13C in February to 24C in August and September. Due to the nature of the reef, wearing gloves is recommended to protect against contact with the sharp rock.

El Templo is a deep reef site located off the coast of Mataro, Spain. The reef structure extends from 25 to 35 metres, requiring advanced diving skills and careful gas management. Divers should maintain solid buoyancy control while navigating the rocky substrate. Visibility varies significantly, ranging from 6 to 21 metres depending on conditions. Water temperatures fluctuate between 13 and 20 degrees Celsius throughout the year, making appropriate thermal protection essential. Access to this site is strictly by boat, and divers must monitor bottom time and decompression requirements closely due to the significant depth. The site is best suited for experienced divers comfortable with deep-water environments.

El Triangle is a reef site located 1000 metres offshore from Mataro, Spain. Accessible only by boat, the site features a rocky reef structure ranging from 8 to 20 metres in depth, with an average depth of 12 metres. Divers can expect mild currents and visibility typically between 10 and 25 metres. The site is suitable for beginner divers, though careful buoyancy control is required to avoid contact with sharp rocks and sea urchins found within the reef crevices. Water temperatures fluctuate seasonally from 13C in winter to 24C in late summer, necessitating appropriate thermal protection for the time of year.