Envision this: you are lounging at the resort pool with a view of endless blue - there is no discernible division between sea and sky. But you can't keep your eyes off the water. How many colors of blue are there? This conundrum beckons you and you decide you've got to go beneath the surface, below this heavenly azure to see what's underneath. Luckily, there's a world-renowned Dive House and the second largest coral reef in the world at your feet.