Stock markets are plummeting, banks are writing-off billions, clients are running for cover, but you've still got to figure out how to make this year's budget. Time for an offsite. And what better backdrop for a serious brainstorming session than the world's most-famous luxury yacht, the Christina O.

Long before Russian billionaires were commissioning outlandish floating palaces, Greek shipping magnate Aristotle Onassis set the standard for private, sea-going luxury with his yacht, the Christina O. It is the boat that hosted the wedding reception of Grace Kelly and Prince Rainier of Monaco, where Onassis romanced Maria Callas and where John F Kennedy was first introduced to Winston Churchill.