Perhaps unsurprisingly, Royal Caribbean International ships dominate the list of the most popular premium vessels. The group is led by the Oasis-class Harmony of the Seas. The new largest cruise ship in the world,
Wonder of the Seas, ranks second, followed by Allure of the Seas in third. Five other Royal Caribbean ships rank inside the top 10, including Oasis of the Seas, Symphony of the Seas, Independence of the Seas, Odyssey of the Seas and Anthem of the Seas.