San Marcos is a shore-accessible reef located in the north of Tenerife. The site features a varied topography of valleys and small crevices, suitable for divers of all skill levels. Depths range from 5 to 30 metres, with an average depth of 15 metres. Conditions are generally stable with mild currents and visibility between 15 and 30 metres. The site is also suitable for night diving. Divers should be aware of potential surf during entry and exit. Facilities at the site include parking, toilets, and showers. A typical dive lasts approximately 50 minutes.

Garachico offers a diverse underwater landscape shaped by volcanic activity, including a reef, wall, cave, and cavern systems. The site features the remains of an old port destroyed by a volcanic eruption. Divers can access this site from the shore, with depths ranging from 6 to 35 metres and an average depth of 20 metres. Visibility typically spans 10 to 30 metres, though currents are variable. The site is suitable for beginners, with typical dives lasting 50 minutes. Hazards include boat traffic, entanglement risks, and sharp coral. Water temperatures remain between 20C and 24C throughout the year.

El Coral is a deep wall and reef site located off the coast of North and East Tenerife. The topography drops to a maximum depth of 45 metres, requiring advanced certification and careful management of decompression limits. Access is exclusively by boat. Divers should be prepared for mild currents and variable visibility, which can change significantly depending on local conditions. Due to the depth, nitrogen narcosis is a primary consideration for those exploring the lower sections of the wall. Water temperatures at this site range from 19 to 23 degrees Celsius throughout the year.

Los Silos is a shore-accessible reef dive located on the north-west coast of Tenerife. The site features a reef structure that ranges from 12 metres in shallower sections to 25 metres at its deepest points. Conditions are generally forgiving, with mild currents and water temperatures between 20 and 24 degrees Celsius. Visibility typically ranges from 5 to 10 metres, requiring careful navigation. The site is suitable for beginners looking to build confidence in open water. Equipment rental and air fills are available on-site, facilitating shore entries. Divers should monitor their depth closely and maintain proper buoyancy control, particularly during entry.

Los Gigantes is a diverse marine site featuring a combination of reef, wall, and artificial reef structures, alongside caves and caverns. Located 500 metres from the shore, this site requires boat access. Divers can expect an average depth of 13 metres with moderate currents. Conditions at this location include potential hazards such as deep water, low visibility, overhead environments, and surf. The site is suitable for beginners, with typical dives lasting around 40 minutes. On-site facilities include parking, air fills, equipment rental, a cafe, first aid, a dive shop, boat charter, rinse stations, showers, and changing rooms.

Dry Cliff is a shore-entry dive site located in North and East Tenerife. The site is suitable for beginners, offering a shallow profile with depths ranging between 7 and 8 metres. Water temperatures at this location vary throughout the year, typically ranging from 20C to 24C. Given the shallow nature of the site, it provides a straightforward environment for those looking to gain experience in coastal diving. Divers should be prepared for variable conditions typical of the North and East Tenerife coastline.

El Acuario in North & East Tenerife offers a diverse underwater landscape comprising reef, wall, and cave structures. The site ranges from 18 to 32 metres in depth, making it suitable for intermediate divers. Visibility varies significantly between 5 and 30 metres. Divers may encounter species such as dusky grouper, fangtooth moray, pufferfish, and round fantail stingray. Other inhabitants include trumpetfish, European parrotfish, and Madeira rockfish. Hazards include strong currents, sea urchins, stonefish, and sharks. Boat access is required for this site, which also supports night diving. Divers should exercise caution regarding boat traffic at the surface and avoid contact with sharp rocks and coral.

Barranco Seco Arch is a volcanic formation located 2500 metres offshore in North and East Tenerife. The site features a distinct archway and a small cave, with the top of the arch sitting at 5 metres, providing an ideal location for safety stops. The underside of the arch is covered in red and yellow sponges. Divers can explore depths between 5 and 18 metres. Marine life observed at the site includes dusky grouper, fangtooth moray, common stingray, round fantail stingray, arrow crab, pufferfish, trumpetfish, black moray, European parrotfish, bream, Canary damsel, zoanthids, Madeira rockfish, and combers. This site is accessible by boat and is suitable for beginner divers.