Seongsu café with no weekday wait: lemon ginger sparkling at T Coffee

In short

T Coffee is a quiet basement café in Seongsu, Seoul, tucked behind a pizza restaurant at 159 Achasan-ro, near Seongsu Station. On a weekday afternoon visit with a friend, T Coffee had no wait at all, and the two drinks were a lemon ginger sparkling and an iced vanilla bean latte. Candlelit and calm rather than crowded like the rest of Seongsu, T Coffee is a café worth returning to.

Interior view of T Coffee café in Seongsu

Good to know

Location
B1, 159 Achasan-ro, Seongdong-gu, Seoul (inside, past the pizza restaurant)
Visit time
Weekday afternoon, seated right away with no wait
Drinks ordered
Lemon ginger sparkling, iced vanilla bean latte
Amenities
Self-serve water and tissues; drinks brought to the table

as written by the visitor on Sep 15, 2026

Interior view of T Coffee café in Seongsu

Today I visited T Coffee, a quiet café in Seongsu! Seongsu is always so packed that I've been on the hunt for a calmer spot, and this place is exactly it!! So here's my T Coffee review!! :)

How to find T Coffee near Seongsu Station: B1, past the pizza restaurant

T Coffee is at 159 Achasan-ro, Seongdong-gu, Seoul, on the basement level. Since it's B1, you head down some stairs. Follow along closely!!

Basement stairs leading down to T Coffee

You go down these stairs and there's a pizza restaurant — you actually walk through it to get inside!! The café sits just past the pizza place. It was a little tricky to find the first time.

Passage past the pizza restaurant below the stairs

So the café is located just behind the pizza restaurant. Walking further in, we arrived at T Coffee. It was bigger than I expected — I was surprised. We visited on a weekday afternoon.

T Coffee entrance located behind the pizza restaurant

What's on the T Coffee menu, including plenty of non-coffee drinks

Here's the menu board for T Coffee, the quiet café in Seongsu. Take a look for reference. There are lots of non-coffee options too, so it's a great spot even if you don't drink coffee. I love coffee so I ordered from the coffee menu. My friend doesn't drink coffee, so she ordered something else. I'll cover what we ordered in detail below!

T Coffee drink menu board

There was also a good variety of desserts. They looked delicious and I thought about trying one, but I was too full.

T Coffee dessert display case

I wanted to try a dessert too, but I'd already had lunch and was full. Next time I'll definitely try one!! They looked pretty and tasty! Next time I'll come before eating a meal. I'm so sad I missed out on dessert!

Assorted desserts on display

T Coffee's weekday afternoon mood and seating

Visiting on a weekday afternoon, it was quiet and relaxed. Seongsu is usually packed and chaotic with people, but this place is calm and cozy. I'm so glad we came here. It doesn't even feel like Seongsu. They have water available to drink and tissues you can freely use.

Corner with self-serve water and tissues

There was a great variety of chairs too. Each seat had a different vibe, which felt fresh. The atmosphere here is genuinely great.

Café seating with a variety of chairs

There were even bench-style seats like this. This chair felt pretty unique — it had the feel of a park bench.

Bench-style seating with a park-bench feel

There were a few customers inside but seats were plentiful. We got in right away with no wait. Being a weekday, it wasn't crowded, which was nice.

Relaxed café interior on a weekday afternoon

We sat in this red chair. The seat was spacious and comfortable. We ordered our drinks and the staff were friendly.

Table with the red chair where the writer sat

The decor here felt very tasteful.

Decorative items in a corner of the café
Candle lit on the table

Each table had a candle lit, and the atmosphere was so good it would make a great date spot. Next time I want to come back for a date.

Area near the bar with the coffee menu listed

It seems like a place that really specializes in coffee. There were so many coffee options I spent a long time deciding what to drink. So many drinks looked delicious!! And having plenty of non-coffee options too is really great.

How the lemon ginger sparkling and iced vanilla bean latte taste

At T Coffee, my friend ordered the lemon ginger sparkling and I ordered the iced vanilla bean latte.

A glass of lemon ginger sparkling
Lemon ginger sparkling placed on the table

This is the lemon ginger sparkling. It was refreshing and cool — I loved it. My friend ordered it and it was so good. The ginger flavor was subtle, which was nice. If you like lemonade, this is a drink I'd recommend.

A glass of iced vanilla bean latte
Close-up of the iced vanilla bean latte

This is the iced vanilla bean latte. Sweet but clean-tasting. It wasn't too sweet, which I liked. The milk wasn't heavy or cloying, which was great.

Two drinks placed on the table

Is T Coffee a good quiet café in Seongsu? Would I go back?

So that was my visit to T Coffee, the quiet café in Seongsu. I went with a friend, just the two of us. Quiet and healing — I loved it so much. From now on, whenever I'm in Seongsu, I'm definitely coming here!! It's a café I really love.

Quiet interior atmosphere of T Coffee

The atmosphere was great and the drinks were delicious. They also bring the drinks right to your table, which was convenient. If you're looking for a quiet café in Seongsu, I'd recommend T Coffee. This was my first visit and I loved it so much that I'll definitely come back the next time I'm in Seongsu.

Where it is

T Coffee티 커피

B1, 159 Achasan-ro, Seongdong-gu, Seoul, South Korea서울특별시 성동구 아차산로 159 지하1층

Open in Google Maps

Local places · Cafés