The 15-acre compound is under contract for an undisclosed sum.
The Hamptons home was once owned by Jackie Kennedy Onassis’s aunt.
The final price, regrettably, was not disclosed.
The equestrian estate includes an indoor ring, three outdoor rings, 27 stalls, and staff quarters.
The dynamic sibling duo discusses luxury homes, real estate trends, and their priciest listing.
It’s the most expensive listing in New York.
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