# Iced americano with low-acidity beans at T Coffee, Seongsu

- By Mina P. (https://superchart.com/en/@ceramic-cup-stops/)
- Written Sep 8, 2026
- Local places › Cafés › Seongdong, Seoul
- Sponsored: This post was written after receiving a complimentary visit from the business.
- English edition: https://superchart.com/en/@ceramic-cup-stops/seongsu-basement-cafe-little-fit-americano/
- Also in: [한국어](https://superchart.com/ko/@ceramic-cup-stops/seongsu-basement-cafe-little-fit-americano/index.md)

## In short

T Coffee is a basement café in Seongsu, Seoul, a five-minute walk from Seongsu Station Exit 2 down an alley off Achasan-ro. The americano is made with Little Fit beans, a nutty, low-acidity blend, served alongside a sand cookie, and floor-to-ceiling windows let in enough green light that the basement space never feels closed in. A good pick in Seongsu on a day you want quiet focus.

## Good to know

- **Location**: B1, 159 Achasan-ro, Seongdong-gu, Seoul, South Korea
- **Getting there**: About 5 minutes on foot from Seongsu Station Exit 2, via stairs or the elevator on the opposite side of the building
- **Americano**: Hot/Iced ₩5,500
- **Cold Brew**: Iced ₩5,800
- **Vanilla Cold Brew Latte**: Iced ₩6,500
- **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
- **Matcha Latte**: Hot/Iced ₩7,300
- **Vanilla Chai Tea**: Hot/Iced ₩8,000
- **Lemon Ginger Sparkling**: Iced ₩7,500
- **Lemon Shiso Mugwort Tea**: Hot/Iced ₩6,800
- **Oolong Tea**: Hot/Iced ₩6,800
- **Chocolate**: Hot/Iced ₩7,300
- **Milk**: Hot/Iced ₩2,000
- **Options**: Decaf and oat milk substitutions available
- **Amenities**: Takeout available, separate restrooms for men and women

*as written by the visitor on Sep 8, 2026*

I had grilled fish yesterday and afterward I was really craving a cup of coffee for dessert, haha.

So the place I went looking for was T Coffee, a quiet café in Seongsu!

![Exterior of T Coffee, a basement café near Seongsu Station](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-01-qqqkk-900.webp)

I'd heard it was unusually quiet even among Seongsu cafés and had been curious for a while, so I finally made it there~*

![Entrance view of T Coffee, a quiet café in Seongsu](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-02-qmbmc-900.webp)

If you're looking for a café for Seongsu office workers, stick with me to the end~*

## Finding T Coffee from Seongsu Station

B1, 159 Achasan-ro, Seongdong-gu, Seoul. It's about a 5-minute walk from Seongsu Station Exit 2. Seongsu is always packed with people whenever I go, but this time I was looking for somewhere quiet to rest.

![Walking route from Seongsu Station Exit 2 to the café](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-03-1y3g6-900.webp)

It's set slightly off the busy Seongsu strip, so it was perfect for spending time quietly without the crowds, haha.

![Achasan-ro alley in Seongsu, set apart from the busy strip](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-04-8ihtx-1200.webp)

If you're looking for a quiet café in Seongsu, this alley is exactly it.

![Alley view in front of the building where T Coffee is located](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-05-ydsd7-900.webp)

It's a basement-level café, but you can also go down via the elevator on the opposite side of the building instead of the stairs, just so you know!

![Stairs leading down to the basement café](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-06-1fnzq-900.webp)

It opens early on weekdays too, so it seemed like a good spot to drop by on the way to work or during lunch.

## A bright basement space

I figured a basement café would be dark and stuffy, but nope—it was way brighter than expected with a great view, which really surprised me haha. Wow, who knew a place like this existed among Seongsu cafés!

Wood-toned tables with a steel bar counter at the center gave it a calm yet sleek feel! This kind of calm wood-toned interior is exactly my taste, haha.

![Interior with wood-toned tables and a steel bar counter](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-07-17w77-900.webp)

According to a friend who used to work in coffee, the machine here is a pretty good brand!! (Maybe that's why the coffee tastes so good? haha)

![Coffee machine on the bar counter](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-08-th0jl-900.webp)

Green light came in through the floor-to-ceiling windows, so even underground it felt open rather than closed in :)

When I visited, it was pretty crowded even though it was a weekend, but interestingly everyone was quietly working on laptops or reading books :) If you're looking for a quiet café in Seongsu, you might visit and think, huh, this actually suits me.

![Basement café seating lit by floor-to-ceiling windows](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-09-135xi-900.webp)

It made me realize how many busy people there are out there, haha. Respect to everyone hustling b

The café itself felt calm and quiet, good for working or reading.

Takeout is available and the restrooms are separated by gender too, so no complaints on the amenities front—good!!

## T Coffee menu and prices

From hand-drip coffee to teas and sparkling drinks, the menu lineup was more varied than I expected, so it was fun choosing.

![T Coffee's drink menu board](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-10-11duj-900.webp)

- Americano (Hot, Iced) ₩5,500
- Cold Brew (Iced) ₩5,800
- Vanilla Cold Brew Latte (Iced) ₩6,500
- 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
- Matcha Latte (Hot, Iced) ₩7,300
- Vanilla Chai Tea (Hot, Iced) ₩8,000
- Lemon Ginger Sparkling (Iced) ₩7,500
- Lemon Shiso Mugwort Tea (Hot, Iced) ₩6,800
- Oolong Tea (Hot, Iced) ₩6,800
- Chocolate (Hot, Iced) ₩7,300
- Milk (Hot, Iced) ₩2,000

Decaf and oat milk substitutions are available too, just so you know~* Seongsu café prices are all pretty similar!

![Desserts displayed in the showcase](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-11-g7omj-900.webp)

![Sand cookies and biscuits on the dessert display](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-12-e94vr-900.webp)

![Choux pastries and cheesecake in the dessert case](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-13-1chqo-900.webp)

For desserts, there's a whole lineup that looks delicious—sand cookies, biscuits, choux, and cheesecake~~

## Iced americano with low-acidity Little Fit beans

I ordered an iced americano and picked the low-acidity Little Fit beans, haha. When I told the staff I wanted nutty beans with no acidity, they recommended Little Fit!

![Iced americano made with Little Fit beans](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-14-gung4-900.webp)

Little Fit's charm is its nutty flavor!!

![Iced americano cup on the table](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-15-42vrq-900.webp)

![Iced americano set by the window seat](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-16-1cvb8-900.webp)

![Close-up of the iced americano](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-17-1tp80-900.webp)

![Cup of coffee on the wooden table](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-18-e8t30-900.webp)

Taking a sip, it really was more nutty and toasty than sour, with a long, heavy aftertaste. Yep, I'm the type of girl who drinks coffee for the nutty flavor over acidity, haha.

![Café table with the iced americano](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-19-1y3mi-900.webp)

![Table set with coffee and a sand cookie](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-20-1g4n2-900.webp)

### Sand cookie paired with the coffee

I also ordered a sand cookie for dessert! Crisp on the outside and slightly soft inside, it was a perfect match with the coffee :)

If you had buyers or business contacts visiting, this place could work fine for a meeting too. Bright yet calm atmosphere—true to a quiet Seongsu café, every seat felt comfortable and had a certain warm, cozy vibe!

The tables were also spaced generously apart, so you could chat comfortably without worrying about the next table over.

## Overall verdict

When people think of Seongsu cafés, loud and crowded usually comes to mind first, but T Coffee having a rare quiet atmosphere within all that is probably its biggest strength, haha. Saved to my mental list of Seongsu cafés :)

![Brightly lit basement café hall](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-21-1whp4-900.webp)

![Café tables arranged with generous spacing](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-22-b7qdw-900.webp)

Even underground, it was bright with a great view, so it was nice to stay a long time without feeling closed in.

As a quiet Seongsu café for working alone on a laptop or reading, and a Seongsu office-worker café that many nearby workers visit, I liked it so much I wanted to come back to study or work again :)

![Seating suited for working, at this Seongsu café](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-23-bwoxm-900.webp)

![Interior of T Coffee with a calm atmosphere](https://img.superchart.com/images/seongsu-basement-cafe-little-fit-americano/seongsu-basement-cafe-little-fit-americano-24-1xyu9-900.webp)

If you're after a quiet, calm café, I think this one is worth visiting!

> One-line verdict: On a day you want to focus quietly in Seongsu, this is the spot :)

## Where it is

- T Coffee (티 커피)
- B1, 159 Achasan-ro, 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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Superchart · https://superchart.com/en/@ceramic-cup-stops/seongsu-basement-cafe-little-fit-americano/ · https://superchart.com/llms.txt