Cala Rayo is a shallow reef and wall site located 500 metres offshore from Cartagena, Spain. Reaching depths of 1 to 6 metres with an average of 4 metres, this site is suitable for beginners. Visibility ranges from 10 to 30 metres, allowing for clear observation of the reef structure. Access is by boat only, and divers should be prepared for moderate currents. Due to the presence of sharp coral and rocks, protective footwear and gloves are recommended to avoid injury. Typical dive times are approximately 45 minutes. As there are no fixed facilities at the site, confirm boat arrangements with a local operator in Aguilas or Calabardina before travelling.

El Jardín is a boat-access snorkel site located near Calabardina, Cartagena. The site is characterised by shallow walls that feature a variety of colourful invertebrates. These structures create a dense carpet of life along the rock faces, which is best observed on calm days when visibility is optimal. The site is suited for intermediate snorkelers due to the nature of the terrain and the requirement for boat entry. Water temperatures at this location fluctuate throughout the year, ranging from 15C in the winter months to 27C during the peak of summer.

Piedra de Santa Maria is a reef site located off the coast near Aguilas and Calabardina. The site reaches depths between 17 and 21 metres, with an average depth of 19 metres. Access is by boat only, and the site is suitable for beginners due to the lack of current. Visibility varies significantly, ranging from 5 to 30 metres. Water temperatures fluctuate between 15C and 23C throughout the year. Species recorded around this area include Mediterranean Moray, Common Octopus, European Common Cuttlefish, Great Barracuda, various wrasses, Scorpionfish, Cratena Slug, Kingfish, Rock Cod, Turkish Wrasse, Stargazer, Fried Egg Jellyfish, Groupers, and Conger Eel.

Linea Pecios Fontanet Hermanos Serrano is a wreck and artificial reef site located in Cartagena, Spain. The site sits at a consistent depth of approximately 12 metres, making it suitable for beginner divers. Access to the site is by boat, and divers can expect mild currents during their 45-minute dives. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 26C in August. Local facilities supporting the site include parking, air fills, equipment rental, dive shops, and guided tours.

La Cueva de la Virgen is a marine site located near Cabo Cope, accessible by boat. The site is notable for an underwater statue of the Virgin Mary positioned at a depth of 15 metres. While the statue is deep for snorkelling, the entrance and surrounding walls offer opportunities for observation. Water temperatures at this location fluctuate between 15C in the winter months and 27C during August. Species recorded around this area include Mediterranean Moray, Common Octopus, Great Barracuda, European Common Cuttlefish, various wrasses, Scorpionfish, Stargazer, Rock Cod, Turkish Wrasse, Fried Egg Jellyfish, Cratena Slug, Kingfish, Groupers, and Gurnard.

Cueva de ASSE is a cave dive located off the coast near Aguilas and Calabardina. Accessible only by boat, the site features depths ranging from 15 to 26 metres, with an average depth of 21 metres. Visibility varies between 10 and 30 metres, which is essential for navigating the overhead environment. During calm sea conditions, temperature fluctuations may indicate the presence of freshwater layers. Divers should possess appropriate training for enclosed spaces and carry a dive torch. Species recorded around this area include wrasses, scorpionfish, Mediterranean moray, common octopus, and various other reef fish and invertebrates.

El Jardin is a reef and wall site located off the coast near Aguilas and Calabardina. The topography features a wall that transitions gradually from 10 metres down to a maximum depth of 25 metres, with an average depth of 18 metres. This site is suitable for beginners due to the lack of current, which allows for a relaxed 45-minute dive. Visibility at the site ranges from 10 to 30 metres. Access is by boat only, and water temperatures fluctuate between 15C and 21C throughout the year, requiring appropriate thermal protection.

Cueva de la Virgen is a diverse marine site near Cartagena, Spain, offering a combination of cave, wreck, and artificial reef topography. Divers can explore a 12-metre tunnel and visit an image of the Virgen del Carmen located at a depth of 15 metres. The site is accessible by boat and is suitable for beginners, with depths ranging from 3 to 25 metres and an average of 15 metres. Conditions are generally mild, though the site features an overhead environment and a halocline caused by freshwater spring mixing. Visibility typically ranges between 10 and 30 metres, and night diving is permitted.