Interior of modern bar counter with illuminated bottles and hanging stemware

B421

An intimate alleyway wine bar and bistro in Namyeong-dong, dedicated to rich Port wine flights, seared duck steak, and quiet late-night conversation.

House Signature

The Port Wine & Bistro Flight

Designed for both newcomers and seasoned wine enthusiasts, our Port wine sampler presents a sequential tasting of rich, sweet dessert wines paired alongside deeply savory seared cuts and rich reduction sauces.

  • Port Wine Sampler Curated flight of sweet, accessible Port selections
  • Seared Duck Steak Crisp skin, tender center, savory pan glaze
  • Flank Steak & Napa Cabbage Seared beef steak served over braised Napa cabbage
  • Thick Mushroom Cream Pasta Rich, earthy cream reduction with grated cheese
Reserve for Tasting Flight
Seared steak served on black slate with roasted tomatoes and a glass of Port wine
Nighttime Sanctuary

The Cellar & Alley Atmosphere

Raw concrete textures, vintage vinyl shelves, illuminated glassware, and intimate pendant lighting.

Visiting Us

Location & Operating Hours

Conveniently located along Hangang-daero in Yongsan District, near Sookmyung Women's University Station and Namyeong Station.

Address
Hangang-daero 278-7, 1F
Yongsan District, Seoul, South Korea
Operating Hours
Monday 5:00 PM – 1:00 AM
Tuesday 5:00 PM – 1:00 AM
Wednesday 5:00 PM – 1:00 AM
Thursday 5:00 PM – 1:00 AM
Friday 5:00 PM – 1:00 AM
Saturday 5:00 PM – 1:00 AM
Sunday 5:00 PM – 11:00 PM
Contact & Social
Phone: +82 2-790-2421
Instagram: @b421ny
Table Bookings

Plan Your Evening at B421

We welcome table reservations for couples, wine tastings, and small group evening gatherings. Reach out via telephone or direct message to confirm availability.