The world's largest cruise ship, Royal Caribbean's "Oasis of the Seas" arrives at Port Everglades, Florida. Five times larger than the Titanic, it has 2,700 cabins and can accommodate 6,300 passengers and 2,100 crew members Royal Caribbean has given the Associated Press an inside look at the world's largest cruise ship, "Oasis of the Seas." The ship features 16 decks and cost $1.5 billion -------------------------------------------------------------------------------------------------