"Villa Carola" in Sands Point was designed c. 1916 in the Italian Renaissance Revival style by H. Van Buren Magonigle on originally 210 acres of land for Isaac Guggenheim who was an industrialist and financier. Guggenheim worked as a member of the Guggenheim Brothers mining holding company and director of American Smelting and Refining Co., National Park Bank, Plaza Bank, International Banking Corp., Lincoln Trust Co., and the Port Washington National Bank. He also worked as president of the Mexican Union Railway. He was a member of the Lotos Club, Criterion Club, and Temple Emanu-El of Manhattan. The Guggenheim Brothers had their office on the 35th floor of 120 Broadway in Manhattan. Guggenheim also had a townhouse at 763 Fifth Avenue in Manhattan. The estate was named after Guggenheim's wife, Carrie.