Desc: Royal Yacht Britannia: On Board the Floating Palace: Directed by Amber Rondel. With King Charles III, Alexander Larman, Ed Owens, Alex Pitcher. For more than a million nautical miles, for 43 years, she sailed the seas and oceans of the world, visited hundreds of countries and became Her Majesty's favourite residence and sanctuary - a floating palace. The Royal Yacht Britannia served the Queen faithfully from 1954-1997, allowing her to attend and host hundreds of diplomatic meetings and receptions. It also hosted a number of royal holidays and honeymoons, becoming a favourite place for the royals to relax away from the prying eyes of the press.