In Kwangdo-myeon, a hotel must offer a certain amount of upscale amenities to be rated 5 stars. These can include gourmet restaurants, on-site gyms, saunas and spas, luxury bathroom products, premium bedding and more. What also sets 5-star hotels apart is their outstanding service. You can expect things like concierge services, nightly turn-down services and in-room massage. Some may also offer additional touches such as a welcome gift.