Why Sail with Royal Caribbean Cruise Line You might think as well that its cruise ships are simply travelling to the Caribbean if you are unidentified with Royal Caribbean Cruise Line. They similarly have some outstanding cruise journeys, which includes an escorted land journey that happens 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 travelling to the Caribbean. They similarly have some fantastic cruise journeys, which consists of an escorted land journey that happens prior to or after your cruise.