Ferrenança is a reef site located in Mataro, Spain, suitable for beginner divers. The reef structure extends from the surface to a maximum depth of 20 metres. Access to the site is by boat only, and divers can expect mild currents. Visibility at the site is variable, so it is recommended to check current conditions with your boat operator before diving. Water temperatures fluctuate between 13 and 25 degrees Celsius throughout the year. Species recorded around this area include common octopus, Mediterranean moray, marbled electric ray, various wrasses, Mediterranean violet aeolid, flatworms, scorpionfish, cow snails, torpedo rays, sea stars, and bream.

Barra del Pitufin is a reef site located in Mataro, Spain, offering depths ranging from the surface down to 19 metres. The site is accessible by boat and features a mild current, making it suitable for beginners. Snorkellers can explore the shallower sections of the reef, though visibility varies between visits. Water temperatures fluctuate significantly throughout the year, ranging from 13C in winter to 27C in summer, necessitating appropriate thermal protection for the season. As conditions change, visitors should confirm local facility availability before planning a trip to this coastal location.

La Trencada is a reef site located 2500 metres off the coast of Mataro, Spain. This site is suitable for beginners, featuring a consistent depth of approximately 6 metres. Divers access the reef by boat, with typical dives lasting around 30 minutes. Conditions at the site are generally stable, though visibility fluctuates between 5 and 20 metres and currents remain mild. The topography consists of a reef structure, and divers should be aware of sharp coral present in the area. Water temperatures vary significantly throughout the year, ranging from 13C in February to 27C in August.

Barreta De L'arbre is a marine reef site located 500 metres offshore from Mataro, Spain. This boat-accessible dive features a depth range of 10 to 22 metres, with an average depth of 16 metres. Divers can expect mild currents and visibility typically ranging between 5 and 10 metres. The site is suitable for intermediate divers, with typical dive times around 40 minutes. Night diving is permitted at this location. Facilities available nearby include showers, changing rooms, air fills, equipment rental, and first aid services. Water temperatures fluctuate throughout the year, ranging from 13C in February to 25C in August.

El Negre is a rocky reef located off the coast of Mataro, Spain. The site consists of a long rocky bar running parallel to the shoreline, characterised by porous rock structures that create numerous crevices and hiding spots. Divers typically explore depths ranging from 15 to 26 metres, with an average depth of 20 metres. Access to this site requires a boat. Conditions can vary, with visibility often around 7 metres and water temperatures fluctuating between 13C and 24C throughout the year. Potential hazards at this site include the depth, the presence of jellyfish, and periods of low visibility.

Las Santas is an artificial reef located off Mataro, Spain, designed to provide a accessible environment for divers. The site sits at a maximum depth of 10 metres, making it suitable for beginners and allowing for extended bottom times. Visibility at the site fluctuates between 5 and 30 metres, while currents remain mild. Access is exclusively by boat. Divers should be aware of active boat traffic in the area and are advised to deploy a surface marker buoy before ascending. Protective gear is recommended to avoid contact with sharp edges on the structure, and divers should check for jellyfish before entering the water.

La Barra Nova is a reef site located off Mataro, Spain, suitable for beginner divers. The reef structure extends from the surface to a maximum depth of 18 metres. Divers can expect mild currents, though visibility varies between visits. Access to this site requires a boat. Due to the nature of boat-entry sites, divers must remain alert for boat traffic throughout the dive and during surface intervals. Water temperatures fluctuate significantly throughout the year, ranging from 13C in February to 24C in August and September, necessitating appropriate thermal protection based on the season.

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.