A grotto-style pool occupies the waterfront backyard of a Coral Gables residence by designer Rebekah Zaveloff. In a lush shady spot, Artesia’s Tantra daybeds gather with Serena and Lily’s Capistrano armchairs and sofa—all holding pillows Lie-Nielsen Designs made with Peter Dunham materials—around Frontgate’s Haddon coffee table.