The best snorkeling in the world offers quite the range of experiences for every type of diver, swimmer, and water-wader, no matter one’s skill and comfort level. Whether you are set on exploring bubbling volcanic vents or plan to gently drift along balmy tropical waves, beneath the water’s glistening surface is an otherworldly realm awaiting discovery. Not to mention the fact that ocean immersion has been scientifically proven to be healing, offering an instant gateway to tranquility. Regardless of if you are in search of a convenient weekend escape or luxurious extended vacation, when you find yourself near any body of water, snorkeling is an itinerary must. From swimming along two tectonic plates in Iceland and overwater bungalows in French Polynesia, to wading through migrating whale sharks in Western Australia, get ready to dive into these 20 destinations with the best snorkeling in the world.