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Bajo Alcyone

About this site

Arguably the best hammerhead shark dive on Earth. This submerged seamount attracts schooling hammerheads by the hundreds. Divers wedge into crevices and watch as the sharks circle along with manta rays, whale sharks, and tuna in an explosion of pelagic life.

Conditions

Country
Costa Rica
Region
Cocos Island
Max depth
25–30 m
Visibility
15–30 m
Water temperature
24–27°C
Difficulty
Advanced
Best season
June to December
Type
Ocean
Suitable for
  • Scuba
Dive types
  • Drift
Marine life
  • Whale sharks
  • Hammerheads
  • Sharks
  • Mantas
  • Rays
  • Whales
  • Dolphins
  • Pelagic fish
Photo: Kris Mikael Krister · CC BY 3.0

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