When Aristotle Onassis died in 1975, he left the yacht to his daughter, who gave her to the government for use as a presidential yacht in 1978. She was rechristened the Argo but was allowed to decay and was put up for sale at $16 million in the early 1990s, but found no takers. In 1996 a sale to an American fell through (he was later convicted of wire fraud in relation to his attempt to purchase the yacht). Finally in 1998 she was purchased by Greek shipowner John Paul Papanicolaou who had sailed on her as a child. He changed her name to Christina O and undertook a major refurbishment between January 1999 and April 2001. As of 2006 she is available to charter at between 45,000 and 65,000 Euros per day.
Christina O has a master suite, eighteen passenger staterooms, and numerous indoor and outdoor living areas, all connected by a spiral staircase. Compared to a typical 21st-century superyacht, her staterooms are small and Christina O lacks the indoor boat storage that is now standard; but on the other hand, the number of living areas is large, and the amount of outdoor deck space is very generous. The aft main deck has an outdoor pool with a mosaic floor that rises at the push of a button to form a dance floor, and there is a helicopter platform on the promenade deck.