That's nothing: the Delux twin is $2898.55/night.
For the price of a decent car, you can stay there a week and relax.
"One of the Big Rooms" at Disney's Grand Floridian Resort comes close at $2450/night during peak season.
...but
this Forbe's article details the most expensive room in the world: one at the The Mansion at MGM Grand for a mere $5000/night.
But at the world's most expensive hotel, The Mansion at the MGM Grand, the $5,000 price tag is simply for the room. Meals and alcohol are charged separately. What guests are getting for their money is plenty of space--the villas range from 2,400 to 12,000 square feet--as well as original Picassos on the walls, and the prestige that comes with being able to afford a room there.