El Pecio is a shallow dive site located off Cartagena, Spain, with depths ranging from 3 to 4 metres. This site is suitable for beginners looking to build confidence in a low-pressure environment. Access is by boat, and the area typically experiences mild currents. Visibility is variable, ranging from 10 to 30 metres. Water temperatures fluctuate significantly throughout the year, from 15C in winter to 27C in summer, requiring seasonal adjustments to wetsuit thickness. Species recorded around this area include wrasses, Turkish wrasse, scorpionfish, bream, crabs, peacock blenny, abalone, flat crab, white seabream, painted comber, hermit crab, snails, and salema porgy.

La Catedral is a distinctive hollow mountain formation located two miles off the coast of Cartagena. The site features a dome-shaped interior cavern, which gives the location its name. Divers can explore the structure at a depth of 32 metres, where multiple exits from the cave offer varying views of the surrounding blue water. The interior of the dome provides a unique environment for underwater navigation. Due to the depth and the nature of the cavernous topography, this site is suited for experienced divers. Water temperatures at the site fluctuate throughout the year, ranging from 15C in the winter months to 27C during August.

Cala del Peñón Cortado is a narrow cove situated between high cliffs north of Villaricos. The site is defined by the Peñón Cortado, or Cut Rock, which forms a sheltered environment featuring extensive Posidonia beds. Access is via the shore, and the site is suited for intermediate snorkellers. Water temperatures fluctuate throughout the year, ranging from 15C in winter to 27C in August. Species recorded around this area include wrasses, Turkish wrasse, scorpionfish, bream, painted comber, white seabream, and various crustaceans such as crabs, hermit crabs, and flat crabs. Snails and abalone are also present in the vicinity.

Loza del Payo is a varied marine site featuring a reef, wall, and pinnacle structure. Depths range from 6 to 33 metres, with an average of 20 metres, making it suitable for intermediate divers with advanced certification. Access is by boat only, and divers should be prepared for strong currents and visibility between 10 and 30 metres. Due to the depth and current, careful buoyancy control and monitoring for nitrogen narcosis are essential. Water temperatures remain between 14 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection such as a five-millimetre wetsuit or drysuit. Typical dive times are approximately 40 minutes.

Bajos Gaudel Chiribito is a wreck site located in Cartagena, Spain, featuring the remains of a deliberately sunken vessel. The topography is distinct from the surrounding area, characterised by slabs and a unique orography. Divers can reach depths of up to 25 metres. Access is strictly by boat, and conditions are subject to variable currents and boat traffic. Due to the depth and potential for currents, this site is suited for intermediate divers. Species recorded around this area include Turkish wrasse, bream, scorpionfish, and various crab species, alongside snails and painted comber.

Playa El Morro Las Anclas in Cartagena, Spain, is an artificial reef site featuring several historical Admiralty anchors left behind from its time as a cargo ship anchorage. The site is well-suited for training and initiation dives due to its accessible depth range of 5 to 18 metres, with an average depth of 12 metres. Divers can expect mild currents and visibility ranging from 10 to 25 metres. Entry is possible from both shore and boat. The site is suitable for beginners, with typical dive times around 40 minutes. Divers should be aware of potential entanglement hazards due to the presence of historical structures.

Las Anclas is a reef site located off the coast of Spain, situated at depths between 15 and 20 metres. The site is accessible via boat, with charters departing from the nearby towns of Mojácar and Garrucha. Divers can expect mild currents and visibility ranging from 10 to 30 metres, making it suitable for newly certified divers. Water temperatures remain warm throughout the year, typically between 24 and 29 degrees Celsius, allowing for the use of a 3mm wetsuit. As this is a boat-based dive, it is recommended to check with local dive centres in Garrucha for charter availability and to carry a surface marker buoy.

Barcoquemao is a 12-metre pleasure boat wreck resting on a sand bed at a maximum depth of 37 metres. The vessel sank following a fire and is now an isolated structure suitable for advanced divers. Conditions at the site are variable, with visibility ranging from 10 to 30 metres and water temperatures between 14C and 18C. Due to the depth, divers must manage decompression and nitrogen narcosis risks. Access is by boat only, with typical dives lasting around 30 minutes. Species recorded around this area include wrasses, bream, scorpionfish, great barracuda, and various crustaceans such as hermit crabs and abalone.