JejuOff Seongsan Coast
Udo Island
A small island 15–20 minutes by ferry from Seongsan port, featuring white coral-sand beaches and basalt cliffs—Jeju's hidden gem.
Tips
- ·Park at Seongsan port, ferry round-trip ₩10,500 (07:30–17:00, 30-min intervals)
- ·Vehicles banned on island — rent e-bike locally (IDP required, ₩35,000–45,000/day)
- ·Don't miss white coral sand at Sanho Beach and basalt cliffs at Geommulle