The Oasis of the Seas, the world's largest cruise ship which is owned and operated by Royal Caribbean International, departs Turku enroute to its home port of Ft Lauderdale, Florida October 30, 2009. Oasis of the Seas spans 16 decks, encompasses 225,282 gross registered tons, carries 5,400 guests at double occupancy, and features 2,700 staterooms. [Agencies]