Pigeon Island National Park with its white powdery beaches on the east coast of Sri Lanka is an aquaphile’s dream. Snorkelers are drawn to the splendor of its ocean’s residents—shy reef sharks, endangered turtles, bright-colored fish such as lionfish, ragged fin parrotfish, hump head wrasse, blue-ringed angelfish, cornet fish, boxfish, surgeonfish, eels, butterfly fish, squids,