A Modern 1970s East Hampton House by R. Scott Bromley

The architect R. Scott Bromley is known for beach houses — specifically, the 100 or so homes that he helped design across Fire Island, which play off the work of his design hero, Horace Gifford. But he actually started building vacation houses in the Hamptons back when he still had a day job working for Philip Johnson and before he broke out on his own and made his name co-designing Studio 54 in 1977. Bromley’s first house in the Hamptons — a two-story box of cedar and sliding glass doors that faced a simple rectangle of pool — is now almost