Now, you will no longer have to wish that you were a mermaid/merman to live under the sea. As the world’s first undersea resort hotel, Fiji’s Poseidon Undersea Resort allows you to relax under 12.19 meters deep underwater luxury environment. Guests can see the underwater world through the glass, Fiji crystal clear water lagoon all at a glance. Located below the waterline, the suites are firmly planted on the ocean floor, with rounded acrylic walls and ceilings, offers a variety of accommodations to suit its guests. It also comes with submarine access to the restaurant and spa areas under the water.