Got the images from this one in an email forward, its quite massive! Caribbean International’s Oasis of the Seas

The 16-deck ship, which has an estimated build cost of $1.24bn, is the largest cruise ship afloat with a tonnage of 220,000gt (43% more than the Freedom Class ships) and a double occupancy capacity of 5,400 passengers in 2,700 state rooms. The ship was built in the Aker Yards at Turku in Finland and will be followed by her sister vessel the Allure of the Seas, which will enter service in 2010.

The vessel has an overall length of 1,181ft (360m), a beam of 154ft (47m), a height above the waterline of 213ft (65m) and a draft of 30ft (9m). The ship is powered by eight Wartsila V12 diesel engines generating 17,500hp each. The main propulsion system consists three 20MW azimuthing Asea Brown Boveri Azipods, to give the ship a cruising speed of 20.2kt.
According to Ship Technology.

Check out the Gallery:
[smooth=id:1;]

Check out this video from the official website.