Escollera de Tarragona is a shore and boat-accessible site featuring a combination of a wall and an artificial reef structure. Located 50 metres from the shore, the site offers depths ranging from 15 to 26 metres, with an average depth of 18 metres. Divers encounter mild currents, though surge and swell conditions require caution near the wall and artificial structures. Visibility varies significantly from 5 to 25 metres. Due to sharp rocks and coral, entry points should be navigated carefully. Water temperatures fluctuate between 14C and 23C throughout the year, necessitating appropriate thermal protection. The site is suitable for beginners, with typical dives lasting around 40 minutes.

Cimodocea is a shallow marine site located on the Costa Brava, Spain, featuring a combination of reef structures and seagrass beds. With a maximum depth of 11 metres and mild currents, the site is suitable for beginners and snorkellers. Natural light remains strong throughout the water column due to the shallow profile. Visibility can shift considerably depending on the swell and season, so checking local conditions before entry is recommended. As there are no confirmed facilities on site, divers and snorkellers should ensure they have all necessary equipment and water before arrival. The site offers a practical open-water experience accessible via shore entry.

Vapor del Miracle is a 20-metre shipwreck located 300 metres offshore in Spain. This site is suitable for beginner divers and is accessed exclusively by boat. The wreck lies at depths ranging from 14 to 17 metres, with an average depth of 15 metres. Divers can expect mild currents and visibility that fluctuates between 10 and 30 metres. Water temperatures vary significantly throughout the year, ranging from 14C in the winter months to 26C in August. Due to the nature of the site, divers should be aware of potential hazards including entanglement and the risks associated with overhead environments.

El Vapor is a shallow wreck located off the coast of Spain, resting at a maximum depth of 16 metres. This site is suitable for beginners, offering a straightforward boat entry and mild currents. The vessel structure provides shelter and hard surfaces for marine life. Divers should exercise caution around sharp metal components and unstable sections, avoiding entry into enclosed areas. Visibility can vary, so checking local conditions is recommended. Bringing a torch is advisable to inspect the wreck's recesses. Species recorded around this area include various wrasses, bream, octopus, and nudibranchs, which may be found sheltering within the structure.

Cuevas del Cap Salou is a marine dive site in Spain featuring a wall and cave topography. The site is suitable for beginners, with an average depth of 7 metres and a maximum depth of 9 metres. Access is by boat, located 555 metres from the shore. Divers can expect mild currents and visibility ranging from 10 to 15 metres. Water temperatures fluctuate between 14C in winter and 27C in August. The site supports night diving and typical dive durations are 60 minutes. As an overhead environment, appropriate caution is required. Local facilities include air fills, equipment rental, and guided tours.

The Heinkel He 111 is a World War II-era aircraft wreck resting on the seafloor in Spain. This site is suitable for intermediate divers, with the wreckage extending to a maximum depth of 31 metres. Access is strictly by boat, and divers should be prepared for mild currents. Due to the nature of the site, maintain awareness of depth and exercise caution around the metal structure to avoid entanglement or sharp debris. Visibility can vary significantly, so it is recommended to check local conditions before departure. Water temperatures fluctuate between 14C and 22C throughout the year.

Reserva Marina del Cavet is a shallow marine reserve located in the Costa Brava, Spain, near Sierra Beach. The site consists of Posidonia seagrass meadows interspersed with rocky reef sections. With an average depth of 6 metres and a maximum of 7 metres, it is well-suited for beginners and shallow-water dives. Divers access the site directly from the shore. Visibility typically ranges between 5 and 10 metres. Facilities available at the location include parking, toilets, showers, changing rooms, and a rinse station. Due to the presence of boat traffic, divers should remain vigilant during their 40-minute dives.

El Biotop is a large artificial reef in the Mediterranean constructed from calcium carbonate rocks. The structure forms an underwater mountain measuring 90 metres long, 60 metres wide, and 24 metres high. Divers can explore vertical walls reaching a maximum depth of 34 metres, with the reef structure beginning at 10 metres. A platform located at 20 metres provides a stable area for divers. Access to this site is by boat only. Conditions are variable, and the site is suited for intermediate divers due to the depth. Night diving is available at this location.