Level three of Grand Hyatt Jeju options a variety of dining selections, a single such establishment is 99 Valley. https://www.rdfabbricati.com/%EC%B9%B4%EC%A7%80%EB%85%B8%EC%82%AC%EC%9D%B4%ED%8A%B8-%EA%B0%80%EC%9E%85-%EC%9D%B4%EB%B2%A4%ED%8A%B8%EC%9D%98-%EB%AA%A8%EB%93%A0-%EA%B2%83/