Whether you’re an avid scuba diver or amateur snorkeler, a trip to the Great Barrier Reef should make everyone’s bucket list. Not only is it the world’s largest coral reef system, but the UNESCO World Heritage site is also one of the seven natural wonders of the world. Situated in the Coral Sea, off the coast of Queensland, Australia, the massive turquoise-and-blue paradise stretches for more than 1,400 miles. So massive, in fact, that it can even be seen from outer space. But before you go, check out these eight handy tips, including where to fly into and the best time to visit (hint: avoid stinger season).