It’s hard to imagine anything better than an ocean-view villa in the Maldives or in the South Pacific. For true sea-loving travellers, however, the best views aren’t over the ocean, but under it. That’s why a handful of luxury resorts around the world have dug deep — way deep — under the sea to create underwater suites, restaurants, lounges and more to offer guests the ultimate experiences of wining, dining and even sleeping with the fishes. Here are six such hotels sure to inspire your inner mermaid.