Originally built in 1919, at a time when the Hamptons had emerged as the ultimate high-society summer destination, Villa Maria recently underwent a five-year complete renovation, restoring its Prohibition-era glory. The architect Andre Tchelistcheff and a design team from John Hummel and Associates Custom Builders employed their expertise in historic restoration to revamp the waterfront mansion, incorporating hand-honed limestone and oak floors, Tischler und Sohn mahogany windows, a hand-carved library firepla…