1Cocos Island, Costa Rica
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Cocos Island, located off the coast of Costa Rica, is a UNESCO World Heritage Site and a top diving destination for shark enthusiasts.
The island’s waters are rich in nutrients due to ocean currents, supporting an array of marine life that makes it a prime location for shark sightings. Divers flock to Cocos Island for the chance to witness massive schools of hammerheads, creating a breathtaking underwater spectacle.