Why Sail with Royal Caribbean Cruise Line You might think as well that its cruise ships are simply taking a journey to the Caribbean if you are unidentified with Royal Caribbean Cruise Line. They also have some fantastic cruise journeys, that consists of an escorted land journey that occurs prior to or after your cruise. Royal Caribbean Cruise Lines is run by the Royal Caribbean International which is based in Miami, Florida. If you are unidentified with Royal Caribbean Cruise Line, you might think as well that its cruise ships are simply taking a journey to the Caribbean. They similarly have some exceptional cruise journeys, that includes an escorted land journey that takes place prior to or after your cruise.