Lumbering land mammals, humans have long envied the balletic grace possessed by our aquatic cousins. As we’re descended from a common ancestor, it’s hard to find someone not at least mildly fascinated with the great oceans and lakes on our planet. For those harboring a stronger connection to these underwater realms, a remarkable number of destinations are taking undersea adventure to new heights…or rather depths. We’ve all heard the expression “sleep with the fishes.” The hotels we’ve found here for you give an entirely new meaning to that phrase. No longer do you have to picture gangsters in pinstripe suits throwing curiously large packages off the end of some foggy dock. These hotels let you explore beneath the surface without getting wet. From Sweden to Dubai, Florida to Fiji, we’ve scoured the globe to bring you the best. We know you’ll enjoy this look at some truly remarkable establishments. These are the world’s top-10 underwater hotels to visit in 2019.