Toilet in WaikikiWaikiki Beach CenterBehind the Waikiki Police Substation on the beach side of Kalakaua Ave, the Beach Center has public toilets, plus simple food and drinks on offer and beach-gear rentals. Exchange in WaikikiDFS Galleria Money Exchange WindowInside the large mall aimed at international travellers, offers good exchange rates for major currencies. Police in WaikikiWaikiki Police SubstationIf you need non-emergency help, or just friendly directions, stop here next to Kuhio Beach Park. Post in WaikikiPost OfficeConvenient with parking outside. Medical in WaikikiDoctors on CallNon-emergency walk-in clinic. Medical in WaikikiDoctors on CallNon-emergency walk-in clinic.