The Harrier is one of three contemporary wrecks at the CBA Wrecks site near Cabo de Palos, Spain. Created by the Navy Diving Center, these structures rest on a sandy seabed and include a tugboat, a helicopter, and the Harrier aircraft. This site is accessible by boat and is suitable for beginner divers. Visibility at the site varies between 5 and 15 metres. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 27C in August. The wrecks provide artificial structure in a sandy environment, serving as a refuge for local marine life.

Cala Cortina is a sheltered urban bay near Cartagena, Spain, popular for snorkeling. The site features rocky artificial reefs and a small islet, providing a protected environment for beginners. Underwater, the area includes Posidonia meadows. Access is via the shore. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 27C in August. Due to its protected status, the bay offers relatively calm conditions suitable for those new to snorkeling.

Isla de las Palomas features a diverse underwater topography comprising reef, wall, and artificial reef structures. The site ranges in depth from 8 to 40 metres, requiring intermediate skill levels and careful buoyancy control to manage the significant depth changes. Divers can expect visibility between 10 and 25 metres and mild currents. Water temperatures remain between 14 and 17 degrees Celsius, necessitating appropriate thermal protection. Access to the site is exclusively by boat. Divers should remain aware of sea urchins present on rocky surfaces and monitor bottom time closely when exploring the deeper wall sections.

Piedra Blanca is a deep reef site located off the coast of Cartagena, Spain. The topography features depths ranging from 20 to 35 metres, with an average depth of 27 metres. Divers must access this site by boat. Conditions are generally manageable with mild currents and visibility typically between 10 and 30 metres. Water temperatures fluctuate between 14 and 18 degrees Celsius, necessitating appropriate thermal protection. Due to the depth and the presence of sea urchins on the reef structure, this site is suited for intermediate divers who possess solid buoyancy control. Divers should exercise caution regarding hand and knee placement to avoid contact with sea urchins.

Bajo de Escombreras is a deep reef located 2000 metres off the coast of Cabo de Palos. The site features a significant drop-off, with depths ranging from 25 to 45 metres and an average depth of 35 metres. Due to the moderate currents and depth, this site is strictly for advanced divers. Visibility typically spans 10 to 30 metres. Water temperatures are cool, ranging between 14 and 17 degrees Celsius throughout the year, necessitating appropriate thermal protection. Boat access is required for all dives, and the use of a surface marker buoy is strongly advised. Night diving is permitted for experienced divers who can manage the site conditions.

Roca Blanca is a reef site located in Cabo de Palos, Spain, suitable for intermediate divers. The site features depths ranging from 10 to 30 metres. Access is strictly by boat. Conditions vary, with visibility typically between 10 and 25 metres and mild currents. Water temperatures fluctuate seasonally, ranging from 15C in the winter months to 20C in October. Due to the depth and potential for low visibility, divers should be prepared for these specific environmental conditions. Local facilities in the area provide air fills, equipment rental, and guided tours for those planning to visit this reef.

Cala Morena is a shore-entry reef dive located in Cartagena, Spain. The site features a reef structure that slopes from shallow depths down to 30 metres, making it suitable for beginner divers. Conditions are generally manageable, with mild currents and visibility ranging between 10 and 30 metres. Water temperatures fluctuate between 15 and 19 degrees Celsius throughout the year, necessitating the use of a 5mm wetsuit or thicker to maintain comfort. As facilities at the site are unconfirmed, divers should arrive prepared with their own water and supplies. This location provides a straightforward environment for those looking to build confidence in open water.

Playa el Portús is a coastal site in Cartagena featuring a mineral landscape of cliffs and golden sand. The underwater topography consists of rocky reefs, caves, and overhangs located approximately 50 metres from the shore. Depths range from 2 to 15 metres, with an average of 8 metres, making the site suitable for beginners. Conditions are generally mild with visibility between 10 and 20 metres. Access is via a shore entry. Divers and snorkellers should be aware of overhead environments within the caves and the presence of sea urchins on the rocky substrate. Facilities at the beach include parking, toilets, showers, a rinse station, and a cafe.