| Dates | About two months from late August or early September 2027 if the pattern holds: the last four editions started between 22 August and 9 September and ended between 15 October and 8 November. The 2026 dates were public by 20 August 2026 and the 2025 dates by 7 August 2025, so expect an announcement in August 2027. Not announced as of 18 October 2026. |
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| Venue | Namdang Port special stage and port area충청남도 홍성군 서부면 남당항로213번길 1-1 |
| Admission | Free entry. You pay for food: in 2026 daeha prawns are sold at one festival price of ₩45,000 per kg to take away or ₩60,000 per kg in restaurants, and some experience programs are paid. |
| Previous edition | 2026: 4 Sep – 8 Nov 2026 |
Notes on the 2027 edition
Would be the 32nd edition if the numbering continues.
About the festival
The Hongseong Namdang Port King Prawn Festival (홍성남당항 대하축제) is a two-month seafood festival at Namdang Port on Cheonsu Bay in Seobu-myeon, Hongseong, Chungcheongnam-do, where the port's restaurants and stalls sell in-season daeha prawns, usually salt-grilled, with weekend shows and bare-hand prawn catching. The 31st edition runs 4 September–8 November 2026, 09:00–24:00, with free entry; prawns are sold at one festival price of ₩45,000 per kg to take away or ₩60,000 per kg in restaurants. From Seoul, take the train from Yongsan to Hongseong (about 2 hours, ₩9,600–14,300), then a taxi about 25 km west to the port.
Transport, booking, crowd and accessibility details are on the main Hongseong Namdang Port King Prawn Festival page, which covers every edition.
Source
Facts checked
21 October 2026, against the sources listed below.