# Seongsu café with low-acidity beans and vanilla chai tea: T Coffee

- By Sujin Yeom (https://superchart.com/en/@dongdaemun-night-tray/)
- Written Sep 21, 2026
- Local places › Cafés › Seongdong, Seoul
- Sponsored: This post is based on a visit where the venue was provided complimentary.
- English edition: https://superchart.com/en/@dongdaemun-night-tray/seongsu-tea-coffee-quiet-laptop-cafe-8e2b/
- Also in: [한국어](https://superchart.com/ko/@dongdaemun-night-tray/seongsu-tea-coffee-quiet-laptop-cafe-8e2b/index.md)

## In short

T Coffee is a basement coffee shop in Seongsu, Seoul, 488m from Exit 2 of Seongsu Station. Over a coffee brewed with low-acidity beans and an 8,000-won vanilla chai tea, T Coffee stayed calm at a bamboo-view window seat even with plenty of guests, many of them working on laptops. T Coffee is a good pick in Seongsu for a quiet catch-up or solo focus time.

## Good to know

- **Location**: 488m from Seongsu Station Exit 2, basement level next to Pizza Slice
- **Hours**: Mon–Fri 09:00–20:00 / Sat–Sun 11:00–20:00
- **Last order**: 19:00
- **Parking**: Not available
- **Americano**: 5,500 won (hot/iced)
- **Cold brew**: 5,500 won (iced)
- **Latte**: 6,200 won (hot/iced)
- **Vanilla chai tea**: 8,000 won (hot/iced)
- **Matcha latte**: 7,300 won (hot/iced)
- **Desserts**: Sandwiches, baked cookies and cakes
- **Price reference**: ₩5,500 ≈ $4 · ₩8,000 ≈ $5.8 (2026-09-21)

*as written by the visitor on Sep 21, 2026*

![Interior atmosphere of T Coffee in Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-01-s6qrk-1200.webp)

A day to meet a friend I hadn't seen in ages, in the middle of a busy stretch of life!

Rather than somewhere loud, I wanted to sit quietly with my friend over coffee and catch up on everyday things. We decided to meet in Seongsu, the hot neighborhood young people flock to these days, and while looking for a coffee-focused café there, I found T Coffee.

## Where is T Coffee in Seongsu, and what are the hours?

- Location: 488m from Seongsu Station Exit 2
- Hours: Mon–Fri 09:00–20:00 / Sat–Sun 11:00–20:00
- Last order 19:00
- Parking: none

Honestly, my first thought looking at the entrance was, 'Is this really a café?'

![Basement-level entrance of T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-02-vtn9z-900.webp)

It's on the basement level next to Pizza Slice, and the layout means you don't see the café right away from the entrance.

![Underground passage leading to the café next to Pizza Slice](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-03-18jmg-900.webp)

![Approaching the inner entrance of T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-04-1s1wp-900.webp)

But once you walk a bit further in, the atmosphere completely shifts. Is this that Seongsu vibe I keep hearing about?

![Interior space of T Coffee where the atmosphere shifts](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-05-kh5do-900.webp)

![Menu board at T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-06-zomet-900.webp)

## T Coffee menu and prices: coffee, vanilla chai tea, desserts

T Coffee's menu splits into coffee and non-coffee drinks — an americano is ₩5,500 and the vanilla chai tea is ₩8,000.

- [Coffee] Filter coffee (hot, iced)
- Americano (hot, iced) - ₩5,500
- Cold brew (iced) - ₩5,500
- Latte (hot, iced) - ₩6,200
- Cappuccino (hot) - ₩6,200
- Vanilla bean latte (hot, iced) - ₩7,000
- Almond latte (hot, iced) - ₩7,000
- Mint latte (iced) - ₩7,000
- [Non-coffee] Matcha latte (hot, iced) - ₩7,300
- Vanilla chai tea (hot, iced) - ₩8,000
- Lemon ginger sparkling (iced) - ₩7,500
- Lemon perilla mugwort tea (hot, iced) - ₩6,800
- Oolong tea (hot, iced) - ₩6,800
- Chocolate (hot, iced) - ₩7,300
- Milk (hot, iced) - ₩2,000

![Display of sandwiches and baked snack desserts at T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-07-1o8oc-900.webp)

![Baked snacks displayed at the counter](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-08-60smp-900.webp)

For dessert they had sandwiches and baked snacks, which looked great with coffee, but we'd just had lunch so we skipped it! There were also several coffee options to choose from, and I picked the low-acidity one. I'm sensitive enough about coffee that I once studied to be a barista, so I can tell after one sip if a coffee isn't good — and this one was genuinely tasty. If I say it's good... it's really good. 😂

![Low-acidity coffee and vanilla chai tea order](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-09-1pf3j-900.webp)

## The bamboo-view window seat at T Coffee

My friend had the vanilla chai tea and said the sweet vanilla flavor paired really well with the tea. Seongsu tends to have this image of being crowded, hectic, and trendy, but while waiting for our drinks, sitting by the window looking at green bamboo, I felt strangely calm.

![Window view of green bamboo](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-10-1br61-900.webp)

A window with a bamboo view isn't something you find easily in Seoul, and amid the quiet music, in the middle of a busy life raising two kids and working, that relaxed feeling was really comforting.

![Two-seat table facing the window](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-11-qldn4-900.webp)

It was a great spot to sit across from a friend and talk, and it also seemed fine for spending time alone quietly. I think it would suit anyone looking for a good solo café in Seongsu or a good café in Seongsu for reading.

![Quiet seating good for sitting alone](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-12-15g0b-900.webp)

## Is T Coffee quiet enough for laptop work?

When I visited, T Coffee had more people than I expected, but somehow the café wasn't loud at all. Plenty of people had laptops open and were deep in focused work, and there were office-worker types, students, and people spending time alone quietly. I noticed quite a few international guests too.

Something I personally loved was the open coffee kitchen.

![Open coffee kitchen at T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-13-1wbnj-900.webp)

![Barista preparing coffee at the bar](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-14-1ils6-900.webp)

Being able to see the space where the coffee is made gave me a bit more peace of mind about hygiene, and it was fun watching the barista prepare the coffee.

![Stylish overall interior view of the café](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-15-khnb7-900.webp)

![Neatly arranged seating at T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-16-omjuw-900.webp)

## Is T Coffee the quiet Seongsu café you're looking for?

From the bamboo-view window to the open coffee kitchen, the stylish interior, and the quiet music, T Coffee had a lot of points I personally liked. It has that trendy Seongsu-café feel without being too hectic, and the space itself is clean, so it never felt like a burden to sit there talking or working on a laptop. I think it would work well for anyone looking for a good-vibe café in Seongsu, a quiet café in Seongsu, or a good meeting café in Seongsu.

T Coffee, the place I found in Seongsu wanting to sit quietly with a friend I hadn't seen in a while.

![Drinks on a window-side table at T Coffee Seongsu](https://img.superchart.com/images/seongsu-tea-coffee-quiet-laptop-cafe/seongsu-tea-coffee-quiet-laptop-cafe-17-ru1e0-900.webp)

Next time, I'd like to come alone without a friend, order a coffee, open my laptop, and spend some relaxed time studying or working. ☕️

## Where it is

- T Coffee (티 커피)
- 159 Achasan-ro, B1, Seongdong-gu, Seoul, South Korea
- 서울특별시 성동구 아차산로 159 지하1층
- 37.5433996, 127.0618187
- Google Maps: https://www.google.com/maps/search/%ED%8B%B0%20%EC%BB%A4%ED%94%BC/@37.5433996,127.0618187,17z

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