Ocean World, a water park in Hongcheon, Gangwon Province, will hold a three-week festival to mark 20 years since its opening. The 2026 Ocean World Blue Splash Festival runs from Saturday to Aug. 15. The festival's centerpiece is the Blue Wave Concert, held at 4 p.m. on Saturdays and Sundays on a temporary stage at Surfing Mount. The lineup includes Dynamic Duo, tripleS, Daybreak, Hynn, Nowz and Giriboy. On weekdays, that time slot is filled instead by magic shows, dance performances and indie vo
It's a three-week festival celebrating 20 years of Ocean World featuring concerts and performances.
The concert is held at 4 p.m. on Saturdays and Sundays.
Performers include Dynamic Duo, tripleS, Daybreak, Hynn, Nowz, and Giriboy.
Weekdays feature magic shows, dance performances, and indie vocal acts.