Summer in Seoul is officially here, and while the city has plenty of air-conditioned cafes, sometimes you just need to get out on the water. If you love outdoor adventures but your wallet is feeling a bit light, we have the ultimate summer hack for you.

You don't need to travel all the way to Gangwon-do or Busan to enjoy water sports. Right here in the city, you can score completely free kayak and paddleboard (SUP) classes.

Here is everything you need to know about Seoul’s best-kept summer secret and how to lock down your free slot before they fill up.

Free Kayak & SUP Classes at Jungnangcheon Stream

The Dongdaemun-gu Water Sports Experience Center has officially opened its doors for the 2026 season at Imun Riverside Park (located just under the Ihwa Bridge along the Jungnangcheon stream).

Instead of paying 30,000+ KRW at commercial docks, you can learn the basics and paddle around for absolutely zero Won.

2026 Key Details:

• Operating Period: May 1 – October 31, 2026 (Closed on Mondays)

• Daily Sessions: 4 times a day (10:00, 11:30, 14:00, and 15:30)

• Duration: 1 hour per session (includes safety training and free paddling time)

• Cost: 100% Free (includes life jacket and equipment rental)

• Location: Imun Riverside Park, Dongdaemun-gu, Seoul (Quick transit tip: It's easily accessible from Hankuk University of Foreign Studies Station or Sinimun Station).