Do I need to declare online when traveling to Jeju Island?

You need to declare online when going to Jeju Island.

According to relevant regulations, tourists must make an exit declaration in advance before traveling to Jeju Island. The declaration content includes entry time, location, number of people, passport number, contact number and other information. For specific declaration procedures and requirements, you can consult the local immigration administration or relevant agencies to ensure a smooth entry into Jeju Island and a pleasant trip. Please be sure to follow the regulations to ensure a smooth trip.