# Seongsu late-night café: iced matcha latte before closing at T Coffee

- By Doyun (https://superchart.com/en/@seoul-glass-stools/)
- Written Sep 1, 2026
- Local places › Cafés › Seongdong, Seoul
- Sponsored: This post was written as part of a paid store visit sponsorship.
- English edition: https://superchart.com/en/@seoul-glass-stools/seongsu-t-coffee-matcha-latte-choco-sand-cookie/
- Also in: [한국어](https://superchart.com/ko/@seoul-glass-stools/seongsu-t-coffee-matcha-latte-choco-sand-cookie/index.md)

## In short

T Coffee is a basement café and dessert shop at 159 Achasan-ro, a short walk from Seongsu Station in Seongdong-gu, Seoul. Arriving an hour before closing, I ordered an iced matcha latte and a chocolate sand cookie, and even with plenty of customers the room stayed calm, with staff carrying each order to the table. T Coffee is a good choice in Seongsu when you want laptop work and a quiet dessert break at the same time.

## Good to know

- **Location**: Basement 1F, 159 Achasan-ro, Seongdong-gu, Seoul
- **Ordered**: Iced matcha latte, chocolate sand cookie
- **Service**: Staff bring each order to your table
- **Seating**: Wider than expected with lots of seats, including window seats

*as written by the visitor on Sep 1, 2026*

![Cover image of T Coffee, a café near Seongsu Station](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-01-m0q1g-900.webp)

![Café image provided by T Coffee's official account](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-02-1gq1o-1200.webp)
*@ tcoffee.kr*

> A good-vibe café near Seongsu Station
> A coffee and dessert spot worth recommending

![Exterior of the T Coffee building on Achasan-ro, Seongsu](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-03-czgk4-900.webp)

> T Coffee

![Vertical shot showing the T Coffee signage](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-04-17zuf-900.webp)

![View of the basement floor entrance to T Coffee, Seongsu](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-05-1ckfv-900.webp)

## Where is T Coffee near Seongsu Station? The stairs down to the basement

I visited T Coffee, a good-vibe café near Seongsu Station~ Honestly Seongsu gets so crowded these days that you have to be careful, but that's exactly why there are so many hotspots and I keep ending up back here! Anyway the store is on the basement floor, so you go down a set of stairs to get in.

![Stairs leading down to the basement store entrance](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-06-mr8w3-900.webp)

Walking slowly down the stairs, the store entrance appears right away, and the space had that unmistakable Seongsu mood packed into it.

Once inside, a bright, pleasant interior opened up. It was wider than I expected, with plenty of seats.

![Interior of T Coffee with widely arranged seating](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-07-3sylu-900.webp)

## Why T Coffee stayed quiet an hour before closing

I visited about an hour before closing and there were still quite a lot of customers — that's how much of a Seongsu hotspot café feeling it had.

Even so, the relaxed, quiet atmosphere stood out. It's apparently already well known as a good café in Seongsu for laptop work or studying.

The staff were kind too, which made it even nicer to hang out in. I quickly headed to the counter to order first.

![T Coffee's counter and ordering area](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-08-vts1w-900.webp)

## What I ordered at T Coffee: iced matcha latte and chocolate sand cookie

T Coffee is known as a Seongsu dessert spot, but I heard the coffee is good too. There were also several other drinks on the menu, so it was hard to pick.

![Menu board listing drink options](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-09-1goyv-900.webp)

![Vertical shot of the menu board with coffee and tea options](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-10-1s6lg-900.webp)

I was debating a café latte, but since it was getting late I ordered an iced matcha latte instead. I definitely want to try the coffee next time.

There were also various dessert samples on display — visually they grabbed my attention right away, giving off quite a luxe feel.

![Dessert samples displayed in the showcase](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-11-1fjqu-900.webp)

![Dessert display with a luxe visual look](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-12-6upso-900.webp)

I'd had a big dinner and was already full, but you can't come to a dessert café and not order something, right? So I ordered one choco sand cookie.

![Counter area where the choco sand cookie was ordered](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-13-15rj4-900.webp)

After ordering I sat down and waited a bit — they told me the items would be brought straight to my table.

![Café seat where the writer waited after ordering](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-14-pzwvy-900.webp)

![Vertical shot of T Coffee's tables and chairs](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-15-1yw8f-900.webp)

So all I had to do was sit comfortably and wait. It's the kind of quiet Seongsu café I'd want to come back to for laptop work next time.

![Quiet seating good for laptop work](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-16-mcfyk-900.webp)

![Vertical shot of the calm café interior](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-17-x9fto-900.webp)

## Laptop seats and the basement window view at T Coffee in Seongsu

I actually saw a lot of people working, too. Seongsu cafés are usually loud, buzzing hotspots, but this one sits a bit further off the main street, so the calm, relaxed atmosphere really worked for me.

![View outside from a basement window seat](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-18-1dto2-900.webp)

Even as a basement café, the window view was surprisingly good. Overall it's a clean, pleasant store that seems great to visit anytime.

![Wide view of the neatly kept T Coffee store](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-19-1xvbg-900.webp)

## How does the chocolate sand cookie taste with the matcha latte?

A little while later, the drink and dessert arrived together~ The pairing was so good I was glad I'd ordered them together.

![Iced matcha latte and choco sand cookie set on the table](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-20-1dnu7-900.webp)

As mentioned, the drink was the iced matcha latte and the dessert was the choco sand cookie. Sand cookies are everywhere these days, but it's not easy to find a place that actually does them well.

![Choco sand cookie served on a plate](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-21-1qqu1-900.webp)

But this place's sand cookie was actually good, which made it even more satisfying. It wasn't tiny, but a size you could eat lightly without feeling weighed down.

The outside wasn't hard, and there was moist cream tucked inside — a sweet sand cookie that went nicely alongside the drink.

![Cross-section of the sand cookie showing the cream](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-22-10kne-900.webp)

![Vertical shot holding the sand cookie](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-23-6czd4-900.webp)

And the matcha latte was great to sip alongside the sweet dessert~ I picked it instead of coffee since it was late, and its clean, mellow flavor was even better for it.

![A glass of iced matcha latte on the table](https://img.superchart.com/images/seongsu-t-coffee-matcha-latte-choco-sand-cookie/seongsu-t-coffee-matcha-latte-choco-sand-cookie-24-i7u28-900.webp)

Closing time was close so I had to head out quickly, but it's a place I'd like to linger in longer next time. That's it for this review of T Coffee, a good-vibe, laptop-friendly dessert café near Seongsu Station.

## Where it is

- T Coffee (티 커피)
- 159 Achasan-ro, Basement 1F, 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/@seoul-glass-stools/seongsu-t-coffee-matcha-latte-choco-sand-cookie/ · https://superchart.com/llms.txt