Poseidon Undersea Resort in Fiji - The Poseidon Resorts (Fiji) is certainly one of the most unusual and cool places to sleep. This 5 star hotel is located adjacent to a private Fiji island, at 12 meters deep and it’s the first permanent underwater complex in the world. 20 Most Unique Hotel Designs in the World, http://hative.com/most-unique-hotel-designs-in-the-world/,
Proposed in 2006, the proposed underwater hotel for Fiji known as Poseidon Resort Mystery Island has released new designs. Although it is still seeking funding to support the development you can now start saving your pennies for this vacation paradise. They estimate it will cost $30,000/couple for a week.