In Hwadam, a hotel needs to offer a certain number of high-end conveniences to earn 5 stars. These can include on-site gyms, spas and saunas, gourmet restaurants, premium bedding, luxury bathroom products and more. What also sets 5-star hotels apart is their guest-focused service. You can look forward to things like nightly turn-down services, concierge services and in-room massages. Some may also offer special touches like welcome gifts.