Ever since Sebastian from “The Little Mermaid” sang that catchy tune “Under the Sea,” we’ve been dreaming of a life underwater while being firmly planted on dry land. Much to our delight, this childhood fantasy has become a reality in recent years, thanks to some engineering masterminds. A one-room lodge in Sweden and a three-story townhouse in Dubai offer incredible ocean views, but the best is yet to come. Two more hotels are being built in Dubai and Fiji that round out our top 10 most amazing underwater hotels in the world: