Seongsu Highball Bar, Casual Whiskey Spot “Mars” for a Cozy Night Out

Seongsu Highball Bar, Mars, is a hidden gem in Seongsu where you can casually enjoy a perfectly crafted whiskey highball or a refreshing gin and tonic. Known for its laid-back vibe and innovative cocktails, this bar is perfect for those looking to unwind after a long day or to spend a memorable night in Seongsu. Whether you’re a whiskey enthusiast or a curious beginner, It offers a unique selection that caters to every palate.

Seongsu Highball Bar, Mars

Overview

In recent years, highballs have taken the spotlight, making whiskey more accessible and trendy among younger generations. But finding a casual, laid-back spot that focuses purely on whiskey without extravagant snacks or pretentious vibes? That’s rare. Enter Mars, a hidden gem in Seongsu-dong offering both relaxed atmosphere and a stellar whiskey selection.

Why Mars?

Seongsu Highball Bar, Mars

  • Casual and affordable, perfect for whiskey lovers who don’t want to splurge on heavy meals.
  • Great for an after-dinner drink or a quick highball with friends or solo.

Just a 5-minute walk from Seongsu Station (Exit 3), Mars is an ideal spot for a casual hangout or as the final stop after a night out in Seongsu. Bonus: if you visit during lunchtime, don’t miss their signature cheeseburger menu.

Operating Hours

  • Monday – Saturday: 11:30 AM – 12:00 AM
    • Break Times:
      • Mon-Fri: 2:30 PM – 6:00 PM
      • Sat: 3:00 PM – 5:00 PM
  • Sunday: Closed

more info: Official Instagram

Finding Mars: A Hidden Treasure

Mars doesn’t advertise itself loudly. The entrance might confuse you, especially with its understated signage and the industrial vibe. But once you spot the plastic coverings and see people enjoying drinks inside, you’ll know you’ve arrived.

Pro Tip: Trust Naver Maps and look for the small gap between walls where patrons enter. The quirky entrance adds to the charm.

Interior of Seongsu Highball Bar, Mars: Industrial Yet Cozy

Seongsu Highball Bar, Mars

Mars feels like stepping into a secret haven. The layout is unique, featuring outdoor-inspired seating with a winter-ready plastic enclosure, creating a warm, intimate vibe.

Seongsu Highball Bar, Mars

Seongsu Highball Bar, Mars

Inside, you’ll find a mix of bar seating and table setups, perfect for everything from casual dates to solo whiskey tastings. The decor reflects a stylishly raw aesthetic, with stainless steel partitions and art pieces that suggest the owner’s love for contemporary design.

Seongsu Highball Bar, Mars

Menu: Straightforward and Stellar

Seongsu Highball Bar, Mars

The food menu at Mars is minimal, focusing on snacks that pair perfectly with drinks. The drink selection, however, is where Mars shines. Their highball menu offers everything from classic options to premium variations. Whiskey aficionados and newcomers alike will appreciate the thoughtful selection.

What We Ordered:

  • Mars Highball (8,000 KRW): A classic highball made with single malt whiskey and ginger ale.
  • Sui Gin & Tonic (7,000 KRW): Crisp and refreshing.
  • Koreasa Fish Cake Cup (4,000 KRW): A warm and comforting winter snack.
  • Doritos Locos (8,000 KRW): A fun, flavor-packed treat.
  • Yen Tai Highball (7,000 KRW): A refreshing twist on traditional Chinese spirits.

Highlights of Mars’ Menu

Seongsu Highball Bar, Mars

Drinks:

  • The Mars Highball was a standout—smooth, balanced, and an excellent introduction to whiskey-based cocktails.
  • The Yen Tai Highball (a mix of Chinese Baijiu and tonic water) was unexpectedly delightful, with hints of pineapple and a smooth finish.

Seongsu Highball Bar, Mars

Seongsu Highball Bar, Mars

Snacks:

  • Doritos Locos: Imagine a gourmet twist on classic Doritos, topped with irresistible seasonings. A surprisingly addictive treat!
  • Koreasa Fish Cake Cup: Served warm, these fish cakes are dipped in a flavorful soy mustard sauce—perfect for winter nights.

Final Thoughts

Mars is more than just a whiskey bar—it’s an experience. From its industrial-chic vibes to its thoughtfully crafted drinks, this spot is a must-visit for:

  • Solo whiskey tastings or casual hangouts.
  • After-dinner drinks with light snacks.
  • Date nights with a trendy, intimate vibe.
  • Discovering highballs and exploring whiskey flavors in Seongsu.

With its friendly owner and laid-back atmosphere, It offers an unforgettable night of relaxation and discovery. Whether you’re a whiskey enthusiast or just looking for a unique experience in Seoul, this Seongsu gem deserves a spot on your list.

related post about Highball you might enjoy: [Seoul / Itaewon Hot Spot] Trendy Vibes, Arugula Pizza, and Perfect Highballs at Itaewon Pizza Spot Upper East