Seongsu café with a decaf mint latte and rare cheesecake: T Coffee

In short

T Coffee is a café and dessert shop on the basement level of a quiet alley building, a 5-minute walk from Exit 2 of Seongsu Station in Seoul. The mint latte costs 7,000 won, switched to decaf for an extra 1,000 won, and the 7,500-won cheesecake had a soft rare-cheese texture whose faint mint note matched the coffee well. With wide spacing between tables and a full-height window looking onto trees, T Coffee is a quiet Seongsu café for working alone or talking without raising your voice.

Atmosphere shot of T Coffee near Seongsu Station

Good to know

Location
159 Achasan-ro, B1F, Seongdong-gu, Seoul (about a 5-minute walk from Seongsu Station Exit 2)
Hours
Mon-Fri 09:00-20:00 / Sat-Sun 11:00-20:00
Mint latte
7,000 won (decaf option +1,000 won)
Cheesecake
7,500 won
Dessert lineup
Sand cookies, biscuits, three kinds of cheesecake
Options
Decaf and oat milk swaps available
How to find it
Right next to the pizza slice shop, basement level (B1)
Price reference
₩7,500 ≈ $5.4 (2026-09-18)

as written by the visitor on Sep 1, 2026

Cover image of T Coffee café in Seongsu
Atmosphere shot of T Coffee near Seongsu Station

I found T Coffee while looking for a nice atmospheric café to work in near Seongsu Station! Seongsu cafés are usually so crowded and loud that I tend to avoid them, but when I was visiting the area recently and searching around, I found a genuinely great-vibe quiet Seongsu café, so I wanted to share it :)

  • T Coffee / 159 Achasan-ro, B1F, Seongdong-gu, Seoul, South Korea
  • ⏰ Hours: Mon-Fri 09:00-20:00, Sat-Sun 11:00-20:00
T Coffee's basement entrance in the alley
Stairs leading down to the T Coffee entrance

How to walk from Seongsu Station Exit 2 to T Coffee in 5 minutes

I finally visited T Coffee, known as a quiet Seongsu café. It's about a 5-minute walk from Seongsu Station Exit 2, tucked in a not-too-crowded alley, so it felt calm and cleanly minimal right from the entrance! It's on the basement level (B1) and sits right next to a pizza slice shop, so keep that in mind~

T Coffee's ivory and wood-toned interior
T Coffee seating with wide table spacing

Inside T Coffee: ivory and wood tones with wide table spacing

Here's what the inside of T Coffee, a Seongsu café, looks like~ The interior is overall ivory and wood-toned, giving off a really clean feel, and it already had that great-coffee-spot vibe going strong haha 👍 The place was surprisingly spacious with plenty of seats! The tables were spaced quite far apart too, so it's good for chatting~

T Coffee seat with a tree view through the full window
T Coffee's accent space with pretty lighting

A basement café with a full-height window and tree view

Even though it's on the basement level, one side has a full window with a tree view, which gives it a really fresh feeling. There's also an accent spot on one side of the store that gave off proper Instagram-worthy vibes ❤️ The lighting is pretty too, so photos come out great~ Genuinely such a lovely, aesthetic café mood!!!💓

T Coffee's coffee and drink menu board

T Coffee menu and prices: decaf and oat milk swaps

Here's a photo of the T Coffee menu~ There was a wide variety of coffee and drinks, and it was even better that there were decaf and oat milk substitution options! For coffee lovers, this seems like a place you can enjoy in many different ways haha🩷

Dessert showcase with sand cookies, biscuits and cheesecake

The desserts felt minimal and clean too! 👏🏻 Displayed like this, the shapes looked so pretty! There were three kinds — sand cookies, biscuits, and cheesecake — and I went with the cheesecake~

  • ✔️ Mint latte ₩7,000 + ₩1,000 for decaf option
  • ✔️ Cheesecake ₩7,500
Table setting with T Coffee's mint latte and cheesecake
Mint latte and cheesecake served in clean cups and plates

I ordered the cheesecake and mint latte! Both the cup and plate were served with such a clean look that they matched the café's atmosphere perfectly~👍🏻

T Coffee's rare cheesecake with a crumble base

What does the cheesecake at T Coffee taste like?

The T Coffee cheesecake (₩7,500) had a soft, rare-cheese texture, and the crumble layer at the bottom had just the right thickness, which went well with the coffee 👍

Cross-section of the rare cheesecake cut with a fork
A bite-sized scoop of the cheesecake

A rare cheesecake that cuts so smoothly with a fork..❤️ It was really sweet and nutty, genuinely delicious, and especially good when eaten together with coffee!👏🏻 It's sweet and tasty enough that if you like cheesecake, you really should try the T Coffee cheesecake!

T Coffee's mint latte switched to decaf

How the mint latte tastes as a decaf

The mint latte caught my curiosity the moment I saw the name, so I ordered it! It wasn't overly strong, but the mint aroma blended really nicely with the coffee, and it was subtly addictive~

Close-up shot of the mint latte cup
Mint latte and dessert placed together on the table

If you're usually a fan of mint, this is a coffee you can enjoy in a special way! Living up to its name, T Coffee really felt like a café that's good at coffee, and I think I'll come back for a different drink next time I'm near Seongsu haha

Who is T Coffee in Seongsu best for?

The store's atmosphere was both aesthetic and quiet, exactly my kind of place, and I was so happy to discover a solid Seongsu café good for reading alone or working on a laptop! If you're near Seongsu Station looking for a café with a good mood for a date or for chatting, I'd recommend this place :) It's a spot that's good at both dessert and coffee👍🏻👍🏻

  • ✔️ A quiet Seongsu café with a good atmosphere for conversation
  • ✔️ A recommended Seongsu-dong coffee spot with great-tasting coffee
  • ✔️ An aesthetic café near Seongsu Station, good for a date

Where it is

T Coffee티 커피

159 Achasan-ro, B1F, Seongdong-gu, Seoul, South Korea서울특별시 성동구 아차산로 159 지하1층

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