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Shark Fin Rock is a boat accessible salt water dive site, located in Cocos Island, Costa Rica.

Looking eerily like its namesake, this six-foot spire arcing out of the ocean is the site to see the largest schools of big-eye jacks you’re likely to see anywhere. The size ranges from 50 to several thousand. Marble rays and whitetip reef sharks may also be seen resting on the bottom here.

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