Also, he owned companies like Olympic Maritime and Olympic Tourist; a chemical company in Persia; apartments in Paris, London, Monte Carlo, Athens, and Acapulco; a castle in South France; the Olympic Tower (a 52-storey high-rise in Manhattan); another building in Sutton Place; Olympic Airways and Air Navigation; the island of Skorpios; the 325 feet luxury yacht Christina O and, finally, deposit accounts and accounts in treasuries in 217 banks in the whole world.