In 2016, business partners Bruce Loshusan and Hans Febles discovered the unexpected during a casual beach walk along Eleuthera’s deserted blush pink sands: an abandoned boutique estate with a storied, glamorous past. Known as The Potlatch Club in its mid-20th-century heyday, the exclusive Bahamian hideaway lured East Coast socialites, silver screen icons such as Greta Garbo and Raymond Burr, and The Beatles’ Paul McCartney (he honeymooned here) until its closure more than five decades ago. Following...