El Hierro
El Hierro, the smallest and most south-westerly of the Canary Islands, is a UNESCO Biosphere Reserve offering a truly unique diving experience. Its volcanic origins are dramatically displayed underwater, with spectacular landscapes of lava flows, arches, caves, and steep drop-offs. The island's crown jewel is the Mar de las Calmas marine reserve, a protected area on the calm southern coast that shelters an incredible density and diversity of marine life. This protection has allowed the ecosystem to thrive, making it a pristine environment for underwater exploration, far from the crowds of more mainstream destinations.
Divers can expect exceptional conditions year-round, with crystal-clear visibility often exceeding 30 meters and water temperatures ranging from 18°C to 24°C. The diving here is characterized by dramatic topography and encounters with large pelagic species as well as abundant reef fish. With dive sites suitable for all levels, from gentle volcanic bays to challenging deep dives, El Hierro is a must-visit for those seeking world-class diving in a tranquil and beautifully preserved natural setting. The combination of stunning geology and prolific marine life makes every dive an adventure.
Top Sites
Frequently Asked Questions
What's the most popular dive site in El Hierro, Spain?
The most popular and iconic dive site in El Hierro, Spain, is undoubtedly "El Bajón." This submerged volcanic mountain rises from over 100 meters to just 6 meters below the surface. Its unique topography and location attract massive schools of fish, including barracudas, amberjacks, and groupers. Its exposure to open ocean currents also makes it a prime spot for encountering larger pelagic species, offering a thrilling experience for advanced divers. The sheer spectacle of marine life and geology makes it a world-renowned dive.
What are the good and less popular dive sites in El Hierro, Spain?
Besides the famous "El Bajón," other excellent and well-known sites in the Mar de las Calmas marine reserve include "El Desierto" and "Baja Bocarones," known for their stunning volcanic formations and abundant fish. For a less-crowded experience, consider "El Salto" or "Punta Restinga." These sites offer beautiful walls, overhangs, and swim-throughs with plenty of marine life, including moray eels, octopus, and colorful reef fish, providing a more tranquil but equally rewarding dive away from the main hotspots.
What water temperature is it like throughout the year diving in El Hierro, Spain?
The water temperature in El Hierro, Spain, is comfortable for year-round diving. During the winter months (December to April), temperatures typically range from 18°C to 20°C (64°F to 68°F). In the summer and autumn (May to November), the water warms up considerably, averaging between 21°C and 24°C (70°F to 75°F). The warmest waters are usually found in September and October, making it a very pleasant time to dive.
When is the best time to visit El Hierro, Spain?
El Hierro, Spain, offers excellent diving conditions all year. However, the best time to visit for optimal conditions is from late spring to autumn (May to November). During this period, the water is warmer and the seas are generally calmer, especially in the protected Mar de las Calmas. September and October are often considered peak months, boasting the warmest water temperatures and the highest chances of encounters with large pelagic species migrating through the area.
What's the visibility like during the dive season in El Hierro, Spain?
The underwater visibility in El Hierro, Spain, is consistently excellent throughout the year. Thanks to its oceanic location and lack of river runoff, divers can regularly expect visibility ranging from 20 to 40 meters (65 to 130 feet). On exceptionally clear days, it can even exceed 40 meters. While minor fluctuations can occur due to weather or plankton blooms, the crystal-clear Atlantic waters are a defining feature of diving in this pristine marine environment.
Are there any seasonal migrations or special events (e.g., manta rays, whale sharks) in El Hierro, Spain?
While diving in El Hierro, Spain, there are chances for special seasonal encounters. The late summer and autumn months (September to November) offer the best opportunity to see larger pelagic species. This is when you might encounter migratory devil rays (mobulas) or, on rare occasions, a whale shark passing through. Pods of dolphins are also more frequently sighted during this period. While not guaranteed, the possibility of these incredible encounters adds an extra layer of excitement to any dive.
What marine life can I expect to see in El Hierro, Spain?
El Hierro, Spain, boasts a rich diversity of marine life. You can expect to see large schools of barracuda, amberjacks, tuna, and jacks at sites like El Bajón. Common reef inhabitants include various species of moray eels, parrotfish, damselfish, and impressive dusky groupers. Octopus, cuttlefish, and spider crabs are often found hiding in the volcanic crevices. Stingrays, angel sharks (in winter), and turtles are also frequently spotted, making every dive a vibrant spectacle.
What thickness wetsuit should I wear in El Hierro, Spain?
The appropriate wetsuit for diving in El Hierro, Spain, depends on the season. During the warmer months from June to November, when water temperatures are 21-24°C (70-75°F), a 5mm wetsuit is typically sufficient for most divers. In the cooler winter and spring months from December to May, with temperatures dropping to 18-20°C (64-68°F), a 7mm wetsuit or a 5mm with a hood and vest is recommended to ensure comfort.
How do I get to El Hierro, Spain?
To get to El Hierro, Spain, you typically first fly into one of the larger Canary Islands, most commonly Tenerife (TFS or TFN). From Tenerife, you can take a short domestic flight (approximately 40 minutes) directly to El Hierro's airport (VDE). Alternatively, a ferry service operates from the port of Los Cristianos in Tenerife to El Hierro, which takes about 2.5 hours. Pre-booking both inter-island flights and ferries is highly recommended, especially during peak seasons.
Should I book a liveaboard or stay on shore in El Hierro, Spain?
Diving in El Hierro, Spain, is almost exclusively shore-based. The main dive centers are concentrated in the southern village of La Restinga, providing easy daily boat access to all the premier dive sites within the Mar de las Calmas marine reserve. There are no dedicated liveaboards operating solely around El Hierro, as the island's small size and the proximity of dive sites make day-trip boat diving highly efficient and convenient. Staying in La Restinga is the standard and best way to experience the diving here.