Quintessentially L.A., Avalon Hotel Beverly Hills sets the tone for hip repose with a boomerang-shaped pool surrounded by private cabanas—some with sweeping views of the city. Tucked in a secluded residential neighborhood adjacent to Beverly Hills world-class restaurants and shops, the hotel was built in 1949 and frequented by the likes of Marilyn Monroe. Thanks to contemporary style icon Kelly Wearstler, the 84 rooms and suites—many with kitchenettes or private patios—still blend Old Hollywood roots with a distinct 1950s vibe. A full-service wellness studio and Viviane Restaurant, under the helm of chef Michael Reed, round out a scene in which...