3 days is enough to see the main web-sites of Jeju, so on the map I've outlined where to Opt for on a daily basis. This assumes which you could get there at the initial location around 9am, and may be worn out sufficient for supper and relaxation around 7pm. https://dalton8a207.blogzet.com/a-review-of-visit-jeju-island-제주룸싸롱-49252180