Cueva de los Cerebros is a significant underwater cave located off North and East Tenerife. The site features volcanic walls structured like large steps leading to the cavern entrance. Divers can access the site via shore or boat, navigating depths between 2 and 15 metres with an average of 12 metres. Conditions are variable, with visibility ranging from 10 to 30 metres and water temperatures between 20 and 24C. Due to the overhead environment and potential for surge, this site is strictly for advanced divers. Typical dives last approximately 55 minutes. Caution is advised regarding swell and waves when transiting the breakwater and bay area.

Los Arcos is a wall and reef site located 100 metres offshore in North and East Tenerife. Designed for advanced divers, the site features depths ranging from 21 to 30 metres with an average of 25 metres. The topography includes overhead environments and significant drop offs that require precise buoyancy control. Visibility is variable, spanning 12 to 40 metres. Access is exclusively by boat, and the site is subject to strong currents, requiring careful planning with local operators. Divers must remain vigilant regarding active boat traffic and potential entanglement hazards. Night diving is permitted at this location, offering a different perspective on the wall structure.

Los Chuchos is a diverse site in North and East Tenerife featuring a combination of reef, wall, and artificial reef structures. Divers typically explore the area starting from the harbour wall, navigating over the reef to reach a notable archway. The site reaches depths between 12 and 23 metres, with an average of 16 metres. Marine life frequently encountered includes European Parrotfish, while divers may also spot Common Octopus, European Common Cuttlefish, Great Barracuda, Pufferfish, Trumpetfish, Round Fantail Stingray, Turkish Wrasse, Combers, Cleaver Wrasse, Sea Star, Grunt, Crab, and Bigeyes. Access is by boat, and the site is suitable for beginners, with mild currents and visibility ranging from 15 to 30 metres.

Playa San Juan is a shore-entry reef site in North and East Tenerife suitable for beginners and snorkellers. The reef topography ranges from 3 to 18 metres, with an average depth of 10 metres. Divers experience mild currents and visibility between 10 and 30 metres. The site is also accessible for night diving. Use caution when entering over the rocks and wear protective footwear to avoid sharp coral. Facilities at the site include parking, showers, toilets, equipment rental, and air fills. Species recorded around this area include European parrotfish, pufferfish, Turkish wrasse, dusky grouper, eagle ray, and various species of moray and ray.

Acuario is a reef dive site located in North and East Tenerife. The site features a varied underwater landscape with depths ranging from 12 to 20 metres, averaging 17 metres. Divers typically spend 45 minutes exploring the area, which is suitable for beginners. Conditions are generally mild with visibility between 10 and 30 metres. Water temperatures fluctuate between 20C and 24C throughout the year. Access to the site is by boat only. Facilities available nearby include parking, rinse stations, air fills, guided tours, and equipment rental. Night diving is permitted at this location. Divers should be aware of sea urchins present in the area.

Fonsalía is a shore-accessible dive site on the south-west coast of Tenerife, featuring a combination of reef and cave topography. With depths ranging from 3 to 14 metres and an average of 9 metres, it is well-suited for beginner divers. The site offers visibility between 15 and 30 metres and mild currents, providing a clear environment for navigation. Divers should exercise caution regarding sharp rock formations within the cave to protect equipment and the seabed. Entry and exit require careful monitoring of the shore break and potential rip currents. Parking is available near the site, and the location is suitable for night diving.

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.

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.