O'sulloc Tea Museum is a free-entry green-tea museum in Andeok, Seogwipo, set among a working tea plantation. The museum traces Korean tea history through interactive exhibits, displays a curated collection of antique tea ware, and offers tea tastings, hand-rolled green-tea making classes (paid), and the popular O'sulloc Cafe with green-tea ice cream, lattes, and roll cakes. The adjacent Innisfree Jeju House is included in most visits. A relaxed and Muslim-friendly Jeju Island stop with no alcohol on premises, paired well with Camellia Hill and Sanbangsan within a 10-minute drive. Free general entry.
