High Quality Content by WIKIPEDIA articles! MS Freedom of the Seas is a cruise ship owned and operated by Royal Caribbean International. It is the namesake of Royal Caribbean`s Freedom class cruise ships, and can accommodate 3,634 passengers and 1,300 crew on fifteen passenger decks. Freedom of the Seas was the largest passenger ship ever built (by gross tonnage) from 2006 until construction of the Oasis Class ships in late 2009, also owned by Royal Caribbean International.