Orloff Spa at the Theoxenia Palace hotel on Kefalari Square in Kifissia is run by the Athens spa operator Orloff and sells treatments to outside visitors. The ground-floor spa has a heated pool facing the gardens, a jacuzzi, a domed marble hammam and a sauna, plus two treatment cabins for Valmont facials, Orloff massages and hammam-inspired body cleansing. Open daily, with treatments from 11:00 to 20:00.