Undersea hotels represent one of the newest frontiers in hospitality. From Zanzibar to Sweden, beautiful underwater properties with one-of-a-kind views have been popping up around the globe, featuring some of the most unique rooms that travelers can book. Meanwhile, closer to home, many celebrated US aquariums offer sleepovers that aren’t just for kids anymore. Check out our picks for places that allow you to sleep under the sea (or at least pretend that's where you are).
By Rachel B. Doyle