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.

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.

Los Chuchos offers a diverse underwater landscape featuring a reef, a wreck, and a cave system. Located in North and East Tenerife, this site is suitable for beginner divers with depths ranging from 15 to 22 metres, averaging 16 metres. Divers can expect visibility between 15 and 30 metres and mild currents. Access is by boat only, and divers should remain vigilant regarding boat traffic during ascents. The site requires careful buoyancy control to avoid contact with the reef structure. Water temperatures remain stable between 20 and 24 degrees Celsius throughout the year.

Atlantis is a distinctive reef formation located off the coast of North and East Tenerife. The site features a triangular structure composed of volcanic basalt columns, formed by cooling lava. Divers navigate a topography of reef and wall sections, with some columns having detached from the main formation over time. The site is suited for advanced divers, with depths ranging from 16 to 32 metres and an average depth of 24 metres. Access is by boat only, with a short three-minute transit time. Conditions include moderate currents and visibility between 20 and 30 metres. The site is also available for night diving.

La Arena is a shore-entry dive site located in North and East Tenerife. The topography consists of a reef and canyon system, offering an average depth of 14 metres with a range between 6 and 22 metres. Visibility at the site varies between 10 and 30 metres, and divers may encounter moderate currents. Water temperatures fluctuate throughout the year, ranging from 20C to 24C. The site is suitable for beginners and provides convenient facilities including parking, toilets, showers, and an on-site dive shop.

Bahia Alcalá is a diverse shore dive in North and East Tenerife featuring a mix of reef, wall, cave, and artificial reef structures. Divers enter via a staircase and ladder in the port area, with a giant stride entry recommended at high tide. The site ranges from 3 to 20 metres in depth, averaging 14 metres. Underwater, the topography includes volcanic rocks, sandy patches, and an underwater pinnacle. Marine life includes common sightings of European Parrotfish, bream, and crabs. Divers may also encounter uncommon species such as Common Octopus, Trumpetfish, Pufferfish, Turkish Wrasse, Eleven-armed Sea Stars, fireworms, Tompot Blennies, Canary Damsels, flat crabs, sea hares, and lizardfish. Conditions are generally mild with visibility between 10 and 30 metres.

Alcala Bay, also known as Baja de La Tortuga, is a volcanic reef site located in North and East Tenerife. The topography consists of dark sand, black rocks, caves, and swim-throughs. Divers and snorkellers enter from the shore to explore depths ranging from 6 to 15 metres, with an average depth of 10 metres. Conditions are generally mild with visibility between 10 and 30 metres. The site is suitable for beginners and supports night diving. Facilities including parking, toilets, and showers are available nearby. Be aware of boat traffic when in the water.