Best Things To Do in Jeju-si
Planning a trip to Jeju-si and looking for the best things to do? In 2025, Jeju-si continues to be a top destination, attracting visitors with its unique blend of natural wonders, cultural experiences, and modern attractions. Whether you’re seeking relaxation, adventure, or cultural immersion, Jeju-si has something for everyone. Navigating this beautiful island is made easier with a structured guide that highlights the must-see spots and activities.
Our comprehensive guide is designed to help you make the most of your visit to Jeju-si. Begin by exploring the Best Things to Do in Jeju-si, and then dive into our list of the Top 10 Things to Do in Jeju-si for a curated experience. If you’re planning a romantic getaway, check out our Romantic Things to Do in Jeju-si. For budget-conscious travelers, we also offer insights into Budget-Friendly Things to Do in Jeju-si.
Make the most of your weekends by exploring Things to Do in Jeju-si This Weekend, and experience the city’s vibrant nightlife with our guide to Things to Do in Jeju-si at Night. Depending on the season, discover unique activities with our seasonal guides: Things to Do in Jeju-si in Winter, Things to Do in Jeju-si in Summer, Things to Do in Jeju-si in Fall, and Things to Do in Jeju-si in Spring.
Embrace the charm of Jeju-si and let this guide be your key to unlocking the best experiences the city has to offer.
1. Explore the Manjanggul Lava Tube
What is it? The Manjanggul Lava Tube is one of the world’s longest lava tunnels, stretching over 8 kilometers, with parts of it open to the public. Formed thousands of years ago by flowing lava, it features remarkable geological formations such as lava stalactites and stalagmites. This UNESCO World Heritage site offers a unique glimpse into the island’s volcanic past. The temperature inside remains consistently cool, making it a refreshing escape, especially during the warmer months. As one of the Top 10 Things to Do in Jeju-si, it’s a must-see for nature enthusiasts.
Why go? Visiting the Manjanggul Lava Tube is a captivating experience because of its immense scale and well-preserved volcanic structures. Moreover, the site is easily accessible and well-maintained for tourists. It’s an educational opportunity to learn about Jeju Island’s volcanic origins and geological significance. Also, the unique ecosystem within the cave supports diverse life forms, adding to its intrigue. For those looking for Budget-Friendly Things to Do in Jeju-si, this attraction offers great value.
Don’t miss: Be sure to witness the lava flowstone formations and the impressive lava stalactites hanging from the ceiling. The Dark Zone, where unique cave-adapted creatures reside, is particularly fascinating.
Insider tip: Wear comfortable shoes and bring a light jacket, as the cave floor can be uneven and the temperature is cooler than outside.
Remember to check out the information center to learn more about the cave’s formation and history before you descend. Experiencing the cave at your own pace will enhance your adventure.
2. Visit Jeju Aqua Planet
What is it? Jeju Aqua Planet is one of the largest aquariums in South Korea, showcasing an impressive array of marine life from around the world. It features massive tanks, interactive exhibits, and captivating shows, offering visitors an immersive underwater experience. Here you can find more Jeju-si attractions.
Why go? Visiting Jeju Aqua Planet is a fantastic activity for families, marine enthusiasts, and anyone looking to escape into the beauty of the ocean. Furthermore, the aquarium is home to diverse species, including penguins, sea lions, and sharks. The main tank, one of the largest in the world, offers a panoramic view of a thriving underwater ecosystem. Don’t miss the captivating marine animal shows and feeding demonstrations, which provide an entertaining and educational experience for all ages. Moreover, there are top 10 things to do in Jeju-si.
Don’t miss: Be sure to catch the Ocean Arena show, a mesmerizing performance featuring marine animals and skilled trainers. Additionally, explore the Aqua Dome, where you can observe various marine creatures up close.
Insider tip: Plan your visit during the off-peak season or on weekdays to avoid large crowds and enjoy a more relaxed experience.
Consider that there are many things to do in Jeju-si this weekend.
3. Hike Mount Hallasan

What is it? Mount Hallasan is the highest mountain in South Korea and a shield volcano, towering at 1,950 meters (6,398 feet). It’s the centerpiece of Hallasan National Park, a UNESCO Biosphere Reserve, offering diverse hiking trails with stunning views. A crater lake, Baengnokdam, sits at its summit. The mountain is known for its unique ecosystem, home to various plant and animal species. For top 10 things to do in Jeju-si, be sure to check out our guide.
Why go? Hiking Mount Hallasan is one of the most rewarding things to do in Jeju-si. The trails cater to different fitness levels, offering panoramic views of the island and the sea. The changing foliage throughout the seasons makes it a year-round destination; in spring, you’ll find azaleas, and in winter, snow-covered landscapes. Moreover, reaching the summit and gazing into Baengnokdam crater is an unforgettable experience.
Don’t miss: Ensure you choose a trail that suits your fitness level. The Seongpanak Trail and Gwaneumsa Trail are the most popular routes to the summit, but they require advance booking. Remember to bring appropriate hiking gear, including sturdy shoes, water, and snacks. Check the weather forecast before you go, as conditions on the mountain can change rapidly.
Insider tip: Start your hike early to avoid crowds and to have ample time to enjoy the views.
For more options regarding the Best Things to Do in Jeju-si, read our detailed guide.
4. Discover Seongsan Ilchulbong (Sunrise Peak)
What is it? Seongsan Ilchulbong, also known as Sunrise Peak, is a stunning volcanic crater rising dramatically from the sea. Formed by hydrovolcanic eruptions, this UNESCO World Heritage site offers breathtaking panoramic views, especially at sunrise. Its unique geological formation and coastal scenery make it a must-visit landmark in Jeju-si. For those seeking Best Things to Do in Jeju-si, this iconic spot is definitely high on the list.
Why go? People flock to Seongsan Ilchulbong for its unparalleled beauty and hiking experience. As you ascend to the summit, you’ll be rewarded with sweeping views of the surrounding ocean and Jeju’s lush landscape. It’s a photographer’s paradise, offering countless opportunities to capture stunning images. Additionally, the annual Sunrise Festival held here is a major draw, celebrating the first sunrise of the New Year. Many consider it one of the Top 10 Things to Do in Jeju-si.
Don’t miss: Plan your visit around sunrise for an unforgettable experience, but be sure to check the weather beforehand. The climb to the top is relatively easy, but wear comfortable shoes. Consider exploring the nearby Seongsan Village for local food and culture. Moreover, for a different perspective, take a boat tour around the base of the peak.
Insider tip: Visit during the shoulder seasons (spring or fall) to avoid the crowds and enjoy pleasant weather.
You might also want to explore some Romantic Things to Do in Jeju-si while you are here.
5. Stroll Through Jeju Stone Park

What is it? Jeju Stone Park is a captivating cultural and ecological space that showcases the unique geology and mythology of Jeju Island. It’s a landscape park filled with stone sculptures, traditional houses, and walking trails that meander through natural rock formations. The park serves as a living museum, preserving the island’s heritage while offering visitors a serene environment to connect with nature. It’s one of the best Top 10 Things to Do in Jeju-si.
Why go? Visiting Jeju Stone Park provides a deep dive into Jeju’s cultural identity, shaped by its volcanic landscape. As you stroll through the park, you’ll encounter fascinating stone artworks and learn about the legends of the Seolmundae Halmang (Grandmother Seolmundae) and the Five Hundred Generals. In addition to its cultural significance, the park offers tranquil walking paths perfect for relaxation and reflection. The park offers something for everyone.
Don’t miss: Make sure to see the Grandmother Seolmundae statue, central to the park’s mythology.
Don’t miss the Stone Culture Exhibition Hall, which displays a variety of stone artifacts and provides context to the island’s unique rock formations.
Consider visiting during the spring or fall for the most pleasant weather, enhancing your exploration of this unique cultural site. You can also find Best Things to Do in Jeju-si.
6. Relax at Hyeopjae Beach
What is it? Hyeopjae Beach is renowned for its shallow, turquoise waters and pristine white sands, making it an idyllic spot for relaxation and family fun. The beach stretches along the western coast of Jeju Island, offering stunning views of Biyangdo Island in the distance. It is undoubtedly one of the most beautiful beaches in Jeju-si and a must-visit for anyone seeking tranquility.
Why go? There are many Best Things to Do in Jeju-si, but Hyeopjae Beach is special. Hyeopjae Beach offers a perfect escape from the hustle and bustle. The clear, shallow waters are ideal for swimming, especially for children. Moreover, the soft sand is perfect for sunbathing and building sandcastles. It’s an excellent location for photographers, because the contrast between the emerald sea and the basalt rocks creates picturesque scenery. Furthermore, many cafes and restaurants nearby provide a variety of dining options with scenic views.
Don’t miss: Do not miss the opportunity to take a leisurely walk along the beach at sunset; the views are simply breathtaking.
Insider tip: Bring a beach umbrella for shade as it can get quite sunny during the day.
Additionally, explore the nearby Hallim Park, which features a variety of botanical gardens and attractions. For more Top 10 Things to Do in Jeju-si, check out our other recommendations.
7. Explore the Mysterious Road
What is it? The Mysterious Road, also known as Dokkaebi Road, is an intriguing optical illusion that makes it appear as if vehicles are rolling uphill. It’s a short stretch of road where the surrounding landscape creates a visual trick, making it one of the more unusual things to do in Jeju-si. Visitors often stop here to test the phenomenon and take memorable photos. This is one of those experiences that is hard to believe until you see it!
Why go? This unique attraction offers a fun and quirky experience, perfect for families and those seeking something different. It’s a great opportunity to witness a natural optical illusion firsthand. Moreover, its accessible location makes it easy to include in your itinerary while exploring other nearby attractions in Jeju-si. After experiencing the Mysterious Road, check out other Top 10 Things to Do in Jeju-si.
Don’t miss: Bring a water bottle or ball to enhance the experience. Pouring water on the road or placing a ball will further demonstrate the uphill illusion. Additionally, take some time to enjoy the surrounding scenery; the road is located in a picturesque area. Be sure to capture some photos and videos to share the mystery with your friends and family! It is truly an unforgettable experience, adding a touch of magic to your trip. Remember to check out our recommendations for Budget-Friendly Things to Do in Jeju-si, so you can save your money for Jeju’s delicious food!
8. Visit the Jeju Folk Village
What is it? The Jeju Folk Village is a living museum that beautifully recreates traditional Jeju Island life. It features over 100 traditional houses, showcasing the unique architecture and lifestyle of the island’s past inhabitants. This immersive experience provides a glimpse into the rich cultural heritage of Jeju, making it one of the top Top 10 Things to Do in Jeju-si. You’ll find artisans demonstrating traditional crafts, such as weaving and pottery, offering a hands-on connection to Jeju’s cultural roots.
Why go? Visiting the Jeju Folk Village offers a unique opportunity to step back in time and experience the traditional culture of Jeju Island. Moreover, it’s a great place to learn about the island’s history, customs, and traditions. Additionally, the village often hosts cultural performances and events, providing entertainment for all ages. It’s an excellent way to immerse yourself in the local culture, especially if you are looking for Budget-Friendly Things to Do in Jeju-si, as the entry fee is reasonable, and the experience is invaluable.
Don’t miss: Be sure to explore the various traditional houses, each representing a different aspect of Jeju life. Furthermore, don’t miss the chance to try on traditional clothing or participate in a traditional game.
Insider tip: Visit during one of the village’s festivals for an even more immersive experience.
Finally, take some time to appreciate the beautiful natural surroundings that complement the historical setting. It is indeed one of the Best Things to Do in Jeju-si.
9. Enjoy the O’Sulloc Tea Museum

What is it? The O’Sulloc Tea Museum is a delightful place dedicated to the history and culture of Korean tea, particularly green tea. Situated near the Seogwang Tea Plantation, it offers visitors a chance to learn about tea production, sample various teas, and enjoy the serene beauty of the surrounding tea fields. Moreover, it’s an ideal spot for those looking for unique things to do in Jeju-si.
Why go? Visiting the O’Sulloc Tea Museum is a treat for the senses. You can indulge in tea tasting sessions, explore informative exhibits on tea cultivation, and savor delicious green tea-infused desserts at the museum’s café. Furthermore, the adjacent tea fields provide a stunning backdrop for photos and leisurely strolls. As you plan your visit, consider checking out the Top 10 Things to Do in Jeju-si for other attractions.
Don’t miss: Don’t miss the chance to participate in a tea ceremony or workshop to deepen your understanding of Korean tea culture. Be sure to try the O’Sulloc Green Tea Ice Cream – it’s a local favorite! Finally, take some time to wander through the Innisfree Jeju House located nearby, where you can create your own natural skincare products. If you’re looking for Budget-Friendly Things to Do in Jeju-si, this area offers several affordable options.
10. Indulge in Local Cuisine at Dongmun Market
What is it? Dongmun Market is one of the oldest and largest traditional markets on Jeju Island. As a result, it’s a vibrant hub where you can find everything from fresh seafood and local produce to street food and souvenirs. The market is especially lively in the evenings, transforming into a popular night market. It truly showcases the rich culinary traditions of Jeju-si.
Why go? Visiting Dongmun Market provides an authentic taste of Jeju culture. Not only can you sample regional delicacies like black pork and fresh seafood, but you can also interact with local vendors. The market is particularly known for its affordable prices and wide variety of goods. For more, check out these Top 10 Things to Do in Jeju-si. It’s a great place to immerse yourself in the local atmosphere and enjoy a unique shopping experience.
Don’t miss: Be sure to try some of the local specialties. These include Jeju black pork skewers, freshly caught seafood, and hallabong juice. Consider going in the evening to experience the night market.
Insider tip: Arrive hungry and be prepared to sample a wide range of dishes. Also, remember to bring cash, as some vendors may not accept credit cards.
Exploring Dongmun Market is among the Best Things to Do in Jeju-si and offers a delicious insight into Jeju’s culture. Enjoy!
Exploring Jeju-si offers a blend of natural beauty, cultural experiences, and exciting activities. From its stunning volcanic landscapes to its vibrant local culture, Jeju-si promises an unforgettable adventure. Start planning your perfect Jeju-si getaway in 2025 and discover the best that this amazing island has to offer!