Escape with Blue Green Expeditions to Cocos Island for your next scuba diving adventure! Cocos is a lush, green, uninhabited island resting 342 miles off Costa Rica's Pacific coast. Rocky pinnacles surrounding Cocos are beacons for big animals and big action. Schooling Hammerheads, countless Whitetip, Mantas, Tuna, and even Whale Sharks call Cocos home. Come join us for this stunning adventure above and below the waterline!