Begin with a lively market lunch — sample jeju seafood, hotteok or haemul jeongol to get a quick taste of local produce; Dongmun stalls and eateries typically operate from early morning through the evening (many open ~08:00–21:30).
Explore one of the world's finest lava tubes with dramatic stalactite-like formations and a cool underground walk — the visitor centre and cave access are commonly open 09:00–18:00 but check seasonally.
Take a scenic cliff-top stroll famous for sweeping ocean views, spring flowers and photogenic coastlines — outdoor site is normally accessible throughout daylight hours (park times often ~08:00–19:00).
Make the 50–70 minute drive to Seogwipo for hotel check-in and to position yourself for the next day; this removes long early-morning transfers to eastern ferries.
Stroll the artist-themed street and pop into small galleries or outdoor murals for a relaxed cultural start — most outdoor areas are always open while galleries tend to operate ~09:00–18:00 so check if you plan to venture indoors.
Enjoy Jeju’s renowned black pork at a local BBQ — savour the marbling and local side dishes at a restaurant near Seogwipo Olle Market; many BBQ places stay open until late evening.
Leave early from Seogwipo to reach Seongsan Port for a morning ferry to Udo — arrive 30–45 minutes before departure; ferry timetables vary by season so confirm the day's schedule in advance.
Catch a ferry across to Udo (early sailings commonly around 07:00–08:00; check seasonal times) — Udo is famed for its laid-back coastal roads, white beaches and unique peanut ice cream.
Rent an e-bike or scooter and circle Udo’s scenic coastal route, stopping at Seobin Baeksa and the lighthouse for postcard views — rental shops open with early ferries but can be busy in high season so book or arrive early.
Try island specialities like peanut ice cream, fresh haemul pajeon or a seafood bowl at a harbour cafe — Udo’s simple, fresh flavours are a highlight and many eateries open through midday.
After returning to Seongsan, hike up Seongsan Ilchulbong for sweeping coastal panoramas and distinctive volcanic shape — the site is accessible early, but visitor facilities and the ticket office have set hours so check locally.
Walk the short, well-signed path to dramatic hexagonal basalt cliffs formed by cooling lava — great for photos and typically open during daylight hours with easy access paths.
See the striking waterfall that tumbles directly into the sea — it’s an iconic coastal waterfall with an easy approach and is best visited during daylight when the viewing platforms are open.
Stroll a charming themed village full of murals, sculptures and cheerful photo spots inspired by stories — open daylight to early evening (times vary by season) and great for a relaxed, colourful stop.
Return to Seogwipo for dinner at Seogwipo Maeil Olle Market or a harbour-side restaurant — try local sashimi, grilled abalone or haemultang; many stalls and eateries are open into the evening.
Pick Yeongsil for dramatic southern ridge views or Eorimok for a shaded forest approach; both offer a meaningful Hallasan experience without the full summit and are suitable for a half-day — check trail status, weather and reservation requirements before starting.
Return to Seogwipo for a relaxed lunch near Olle Market — enjoy more black pork or a seafood hotpot to replenish after the hike; market stalls generally operate through the afternoon.
Take a quick visit to Oedolgae rock for a last scenic coastal look or pick up snacks/souvenirs at Seogwipo Olle Market before you drive north — sites are open during daylight and make for a relaxed final local stop.
Depart Seogwipo and drive back to Jeju City near Dongmun Market; allow roughly 1h30m for traffic and a relaxed arrival before dinner (drive times vary by time of day).
Enjoy a final Jeju feast at Dongmun Market — try grilled seafood, noodle soups, black pork skewers or the island’s peanut ice cream; many food stalls and restaurants stay open into the evening (several until ~21:00–22:00).
Head to Jeju Airport from Dongmun (a short drive/taxi) and complete check-in and departures formalities — arriving at 7:00pm gives you time for domestic check-in or international pre-flight procedures depending on your flight.