1. Royal Caribbean
Royal Caribbean International, also referred to as Royal Caribbean cruises, is one of the most successful cruise lines in the world. It was founded in Norway in 1969, and it is now based in Miami, Florida. The “Voyager of the Seas”, Royal Caribbean’s largest ship, entered service in 1999. The company has different classes of ships: quantum, oasis, freedom, radiance, vision, sovereign, future, and voyager.