La Cueva del Diablo in El Hierro offers a combination of cave, cavern, and reef diving. The site features depths ranging from 8 to 20 metres, with an average depth of 12 metres. Visibility is typically between 20 and 30 metres, though divers should monitor their depth and stay close to their team due to variable clarity. Currents are mild, making the site suitable for beginners. Access is by boat only, and a torch is recommended to explore the cave walls. Water temperatures range from 20 to 24 degrees Celsius. Dives typically last 45 minutes.

El Desierto in El Hierro is a diverse marine site featuring a combination of volcanic rock beds, sandy flats, caves, and artificial reef structures. Located 3500 metres from the shore, this site requires boat access and offers depths ranging from the surface to 40 metres, with an average depth of 15 metres. Conditions are generally favourable for beginners, with mild currents and visibility extending between 10 and 50 metres. Divers should remain aware of the potential for nitrogen narcosis at greater depths. The site provides a varied underwater topography suitable for exploration across a wide range of depths.

Punta del Lajial is a reef and wall site located 500 metres off the coast of El Hierro. The topography features a small platform leading to a cliff with a pronounced drop-off, reaching depths between 10 and 40 metres with an average of 25 metres. Due to the depth and moderate currents, this site is suited for intermediate divers and requires boat access. Visibility ranges from 10 to 30 metres. Species recorded around this area include dusky grouper, black moray, European parrotfish, trumpetfish, great barracuda, common stingray, smooth ray, common octopus, marbled electric ray, fangtooth moray, eagle ray, European common cuttlefish, arrow crab, and harlequin snake-eel.

Punta Las Cañas is a marine dive site located 1000 metres offshore in El Hierro, Canary Islands. This site features a combination of reef, drift, and cave topography, requiring boat access for all dives. Divers can expect depths ranging from 12 to 30 metres, with an average depth of 25 metres. Conditions include mild currents and visibility between 10 and 30 metres. The site is suitable for intermediate divers, with typical dive times of 50 minutes. Night diving is available at this location. Facilities provided include air fills, equipment rental, and guided tours. Hazards to be aware of include sharp coral and the potential for strong currents.

El Desierto is a reef and wall dive located 300 metres off the coast of El Hierro. The site ranges from the surface to a maximum depth of 25 metres, with an average depth of 15 metres. Divers experience visibility between 30 and 50 metres. Access is by boat only, and the site is suitable for beginners. Water temperatures fluctuate between 20 and 24 degrees Celsius, though conditions can be cool, necessitating a semi-drysuit, hood, and gloves. Be aware that moderate to strong currents may occur, and visibility can change suddenly. Always monitor your depth and follow local boat charter briefings before entering the water.

Punta Lajial is a reef and wall site located 500 metres from the shore of El Hierro. The topography features a drop-off that descends from 10 to 40 metres, with an average depth of 30 metres. Divers can access the site by boat or from the shore. Conditions are variable, with visibility ranging from 15 to 50 metres and moderate currents. Due to the depth and potential for strong currents, this site is suited for intermediate divers. Hazards include the significant depth and sharp coral formations. Water temperatures remain between 20C and 23C throughout the year.

El Bajón is a submerged volcanic pinnacle located 555 metres off the coast of El Hierro. The site features a crater and walls that drop to significant depths, with the shallowest point reaching approximately 15 metres below the surface. Divers typically explore the upper section before descending along the walls, which reach depths of 50 metres. Due to the location, this site is subject to strong currents and requires advanced buoyancy control and technical proficiency. Access is strictly by boat, and dives typically last around 50 minutes. Visibility at the site ranges from 15 to 30 metres, though conditions vary depending on the strength of the current.

La Herradura is a reef and wall site located 300 metres off the coast of El Hierro. The wall structure begins at a depth of 8 metres and descends to 40 metres, with an average depth of 20 metres. Visibility ranges from 10 to 30 metres, allowing for clear navigation of the topography. Due to moderate to strong currents, this site requires boat access and is suited for intermediate divers. Water temperatures remain between 20 and 23 degrees Celsius throughout the year. Divers should be prepared for current conditions and manage their air consumption accordingly when exploring the deeper sections of the wall.