Diving and Snorkeling on the Costa Blanca: Discovering Underwater Wonders and Marine Life

The Costa Blanca, a stunning stretch of coastline on Spain’s eastern shore, is a paradise for diving and snorkeling enthusiasts. With its crystal-clear waters, diverse marine life, and breathtaking underwater landscapes, the Costa Blanca offers an unparalleled experience for those eager to explore the depths of the Mediterranean Sea. 

Overview of Costa Blanca’s Marine Environment

Geographic Highlights

The Costa Blanca’s coastline is characterized by its diverse underwater terrain, including rocky outcrops, vibrant coral reefs, and underwater caves. These geological features provide a variety of habitats for marine life, making the area a haven for divers and snorkelers.


The waters off the Costa Blanca are teeming with life. Divers and snorkelers can encounter a wide range of species, from colorful fish and delicate corals to larger creatures such as octopuses and rays. The region’s biodiversity is one of its main attractions, offering underwater explorers the chance to see a plethora of marine organisms in their natural habitats.

Top Diving Spots

Isla de Tabarca

Description and Location

Isla de Tabarca, Spain’s first marine reserve, is located just off the coast of Alicante. The island is renowned for its clear waters and abundant marine life, making it a top spot for diving.

Marine Life

Divers can expect to see a variety of species, including grouper, barracuda, and the occasional sea turtle. The protected status of the waters around Isla de Tabarca ensures a rich and thriving marine ecosystem.

Diving Experience

Diving at Isla de Tabarca offers excellent visibility, typically ranging from 15 to 30 meters. The depth varies from shallow reefs to deeper drop-offs, catering to divers of all experience levels.

La Llosa (Benidorm)

Description and Location

La Llosa, situated off the coast of Benidorm, is known for its unique underwater topography, including rocky formations and submerged reefs.

Marine Life

The site is home to a diverse array of marine species, including moray eels, scorpionfish, and vibrant coral formations. The rocky landscape provides numerous hidig spots for marine creatures.

Diving Experience

La Llosa offers varied dive sites with depths ranging from 10 to 30 meters, making it suitable for both novice and experienced divers. Visibility is generally good, providing clear views of the underwater scenery.

 Cabo de Palos

Description and Location

Cabo de Palos, located further south along the Costa Blanca, is renowned for its dramatic underwater landscapes and historic shipwrecks.

Marine Life

The area is a hotspot for marine biodiversity, featuring species such as eagle rays, groupers, and large schools of fish. The presence of shipwrecks adds an element of historical intrigue to the dives.

Diving Experience

Diving conditions at Cabo de Palos are excellent, with visibility often exceeding 20 meters. The dive sites vary in depth and difficulty, offering challenges for divers of all skill levels.

Here you will find reefs and corral deep underwater, as well as the remains of shipwrecks and sunken boats: a real adventure for scuba fans.

Top Snorkeling Spots

Cala Granadella (Jávea)

Description and Location

Cala Granadella, located in Jávea, is famed for its crystal-clear waters and easy accessibility, making it a favorite snorkeling spot.

Marine Life

Snorkelers can explore underwater meadows of seagrass and spot species such as bream, starfish, and octopuses. The clear waters provide excellent visibility, enhancing the snorkeling experience.

Snorkeling Experience

The calm and clear waters of Cala Granadella make it ideal for snorkeling. The best time to snorkel is in the morning when the water is clearest, and the marine life is most active.

Playa del Albir (Altea)

Description and Location

Playa del Albir, in Altea, is known for its calm and shallow waters, making it an excellent spot for beginners and families.

Marine Life

The beach offers sightings of various fish species, including damselfish and wrasses, along with interesting rock formations and underwater flora.

Snorkeling Experience

With easy beach access and calm waters, Playa del Albir provides a stress-free snorkeling experience. The best times to visit are early in the morning or late afternoon to avoid the crowds.

Cala Moraig (Benitatxell)

Description and Location

Cala Moraig, located in Benitatxell, features stunning underwater landscapes, including sea caves and dramatic rock formations.

Marine Life

This spot is known for its rich marine life, including nudibranchs, anemones, and various species of fish. The sea caves add an element of adventure to the snorkeling experience.

Snorkeling Experience

Exploring Cala Moraig requires some caution due to the underwater caves, but it offers a unique and rewarding snorkeling experience. It’s recommended to snorkel with a buddy and to bring a waterproof flashlight for cave exploration.

Marine Life You Can Encounter

Fish Species

The Costa Blanca waters host a variety of fish, from the colorful damselfish and parrotfish to the larger groupers and barracudas. These diverse species provide a vibrant underwater spectacle.

Invertebrates and Corals

Snorkelers and divers can also encounter numerous invertebrates, such as starfish, sea urchins, and octopuses, along with beautiful coral formations that add color and life to the underwater landscapes.

Protected Species

The Costa Blanca is home to several protected species, including the endangered loggerhead sea turtle. These conservation efforts help ensure the preservation of these species for future generations.

Diving and Snorkeling Tips

Safety Tips

  • Always dive and snorkel with a buddy.
  • Check weather and sea conditions before heading out.
  • Follow local regulations and guidelines to ensure safety.

Equipment Recommendations

  • Use quality snorkeling and diving gear for a better experience.
  • Bring a wetsuit for colder waters and additional protection.
  • Consider using a dive computer for better depth and time management.

Environmental Responsibility

  • Avoid touching or disturbing marine life.
  • Do not collect or damage coral and other marine organisms.
  • Dispose of trash properly and avoid leaving any waste on the beach or in the water.