클러스터 4는 제주도, 가족여행, 2박 3일, 관광코스, 추천 등으로 형성되어 "제주도 가족여행"으로 명명하였다.
Cluster 4 was formed of Jeju Island, family trip, 2 nights and 3 days, tour course, recommendation, etc., and was named "Jeju Island Family Tour".