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.

Els Arbrets is a marine site located in Barcelona, Spain, featuring a combination of reef and cave topography. Divers can explore these structures at a consistent depth of 10 to 11 metres. The site is accessible by boat only and is suited for intermediate divers due to the cave environment. Conditions include mild currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, from 14C in winter to 27C in summer. Species recorded around this area include European Common Cuttlefish, various wrasses, White Seabream, and several species of crab.

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.

Platja del Far is a shore-entry site located at the northern end of Vilanova, Spain. The topography features a mix of reef and seagrass habitats, with the rocky Punta Mabrera providing a rugged coastline transition toward Sitges. Depths at this site range from 1 to 8 metres, with an average of 4 metres, making it suitable for beginners. Conditions are generally mild, though visibility varies between 5 and 15 metres. Divers and snorkellers should be aware of potential hazards including jellyfish and sea urchins. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, and first aid services.

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.

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.

Les Boles is a reef dive located off the coast of Barcelona, Spain, accessible only by boat. The site features a reef structure that reaches depths of 25 to 26 metres. With visibility averaging 5 metres, the site rewards methodical diving and good buoyancy control. A torch is recommended to highlight details within the reef structure. The site is suitable for beginners and supports night diving. Water temperatures fluctuate between 14C in winter and 24C in summer. Species recorded around this area include various wrasses, seabream, cuttlefish, catsharks, and crustaceans such as crabs and hermit crabs.

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.