After purchasing a convoy escort in 1954, shipping magnate Aristotle Onassis spent over $4 million transforming the vessel into a luxury yacht he called the Christina.
Once renovations were complete, Onassis used the ship as an office, residence, and private entertainment venue.
Named after his only daughter, Aristotle and Jackie Onassis spent much of their leisure time aboard the Christina ...
... often using the ship to vacation with their children.
next slide will load in 15 secondsSkip AdSkip AdAlongside the notable Onassis and Kennedy families, the Christina hosted many well-known guests that were a part of the couple's elite social circle.
Among those guests are many with easily recognizable names, as indicated by a vintage passenger list.
Celebrities frequented intimate gatherings ...
... including Hollywood stars such as Elizabeth Taylor and Richard Burton ...
... and actor John Wayne.
next slide will load in 15 secondsSkip AdSkip AdThe ship also doubled as the banquet hall for Aristotle and Jackie Onassis' wedding reception.
Following an intimate ceremony on his private island Skorpios, the newlyweds boarded the ship with their family and friends.
Her reception was just one of the countless high-caliber parties Jackie hosted ...
... and it included guests such as her socialite sister Princess Lee Radziwill and brother-in-law, Lithuanian Prince Stanisław Albrecht Radziwiłł.
Other notable dignitaries over the years included Princess Grace of Monaco ...
next slide will load in 15 secondsSkip AdSkip Ad... alongside President Josip Broz Tito of Yugoslavia and British Prime Minister Winston Churchill.
Churchill frequented the boat on numerous occasions ...
... alongside famous opera singer Maria Callas and her then-husband Giovanni Battista Meneghini. Today, one of the ship's restored lounges bears her name.