Riad El Fenn

One of the medina’s flashiest addresses, co-owner Vanessa Branson (sister of Richard) has tripled the size of the place since it opened in 2003. Favored by the British media and art-world elite, El Fenn now encompasses three adjacent palaces, with 22 extraordinary rooms—featuring leather floors, plunge pools, and modern works by British painter Bridget Riley—plus three pools, a rooftop putting green, and even a small theater.