A guest room section is the most important part of the hotel design. It contributes not only to the marketing but also to the effective distribution of the floor plan. This study is to provide the trends of the plan type of the guest rooms at the luxury resort hotels in Jeju-do through analyzing the typical floor plan type and surveying the area distribution of the guest room section. The purpose of the study is to provide the basic materials for the improvement of the quality of hotel guest rooms in Jeju-do, which is emerging as the international tourism destination of 21C. Here, we make the 13 luxury resort hotels in Jeju-do an subject of the study. They are divided into three grades by the size, quality, and the service.