Seoul’s Longest Night, Cut Into 9 Themes! Hongdae and Yeonnam Area Guide—Busking Fri-Sat 6-10 pm, Beer on the Grass at Yeontral Park, 1,500-Won Croquettes at Mangwon Market, 24-Hour Coin Karaoke
Hongdae is where Seoul’s lights go out last. Here’s the thing: busking and clubs, the railway park of Yeonnam-dong, Mangwon Market, silver grass at Haneul Park, escape rooms and photo booths—9 themes with exits, closing days and Google ratings, all verified. Combine Hongdae by night with Yeonnam and Mangwon by day and you’ve filled 24 hours.