THE TIMELINE OCEANGOING EVOLUTION

1928

Launched as Monica in Southampton, England, by Camper & Nicholsons, the 147-foot craft was named after owner

Jacques “Santiago” Soulas’s daughter.

1932

The vessel is rechristened Rion by new owner Zarch Couyoumbian.

1938

Prudential Insurance chairman George Tilley purchases the yacht.

1939

The British Royal Navy requisitions the vessel for wartime use.

1941

After some damage to the port engine, Rion becomes part of the Royal Navy Hospital.

1947

The vessel is returned to prewar owner George

Tilley after its restoration at Camper & Nicholsons.

1951

The charter company of Aristotle Onassis acquires the yacht and names it Arion.

1953

Prince Rainier and Princess Grace of Monaco receive the yacht as a wedding gift from Onassis and rename it Deo Juvente II. Winston Churchill is one of the couple’s many illustrious guests.

1958

A Monegasque businessman buys the vessel, which he calls Daska.

1960

The vessel is transported to the Bahamas by Crest Shipping and then to Montego Bay by Cove Shipping. Its new moniker is Angela.

1983

The yacht’s name reverts to Daska, and it is seized by the Jamaican government.

1985

Super Clubs chairman John Issa purchases the vessel, changes its name to Zein, and refits it in Tampa, Fla.

2007

Quasar Expedition buys Zein and rechristens it Grace.

2017

During Grace’s latest refurbishment, the apartment where Prince Rainier and Princess Grace honeymooned is remade into the Grace Kelly Suite.