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Location: Katonah, N.Y.
The Skinny: Set behind walls and gates on 20 acres of Westchester countryside, this 1900 stone manor—with its six bedrooms, seven bathrooms, guest house, and eight fireplaces—looks perfect for a billionaire. That said, its current billionaire owner, the publishing heir and financier Dirk Ziff, doesn't seem to have become too attached. He and his wife, former Forbes reporter Natasha Bacigalupo, purchased the property back in 2002 for $6.25M and transferred the property to an LLC in 2006. Despite their $4.4B net worth, the Ziffs have decided to list the mansion, for $8.9M. Maybe it was the weather. Apparently, the snowbird couple and their family spend most of the year in North Palm Beach, with a few months on Martha's Vineyard in the summers, but also keep an apartment at Manhattan's 770 Park.
· 360 Pea Pond Rd [Zillow]