دولة جزرية
Fahys and Cook purchased one thousand acres of land in North Haven, a suburb of Sag Harbor, with two miles of frontage on Peconic Bay. Fahys' Clinton Hill, Brooklyn residences were designed in 1889 and 1890 by Benjamin Wistar Morris, III. Morris also designed Fahys' Long Island country house. Fahys also lived in New York City on Park Avenue. He died at his summer home in Sag Harbor, Long Island.