Mongsaengi Water World

Held at LetsRun Park Jeju, this vibrant water festival features large pools, thrilling water slides, water cannon shows, and exciting water gun battles. In 2025, the event will take on a pirate exploration theme centered around the "Secret of the Pirate Ship." After cooling off in the water, visitors can enjoy delicious snacks such as ramen or local delicacies featuring Jeju's prickly pear (Baeknyeoncho).