“Newly diagnosed women will find an open hand, an open purse and a caring heart when they reach out for our help,” says Ann Ciardullo, a Sotheby’s International Realty broker who sits on the board of the Ellen Hermanson Foundation.

Now listed at $5.6 million, the home at 958 Cobb Road in Water Mill is represented exclusively by Beate V. Moore of Sotheby’s International Realty.