AayAan Seongsu
아이안 성수
A dessert cafe on the third floor of 3 Wangsimni-ro 4ga-gil, centred on tarts and ice cream such as a fig tart and a honey-fig ice cream (₩13,000 each). It opens after midday and runs to around 23:00, so it does not work for a morning plan. Posted hours and closing days vary widely between sources — read the tip below before going.
Last checked: 2026-09-29·Desk-researched — not yet verified on site
Reservation
None of the sources checked mention reservations, and Polle notes that the cafe has no phone number. Treat it as a walk-in cafe.
Payment
Hours
12:30–23:00 (closing days differ by source) · Last order 22:00
Tips
- DiningCode gives 12:30–23:00 (last order 22:00), the Daangn business page gives 12:30–23:30, and Wanbyeokhan Haru gives 13:00 weekdays / 12:00 weekends until 23:30 — three different answers. Closing days also differ. DiningCode's seven-day table (checked 29 Sep) shows Monday and Tuesday closed, the Daangn page omits only Monday, and a 2024 Trip.com post says closed on Mondays, while Wanbyeokhan Haru lists all seven days as open. Monday is likely a closing day; for any day, check the cafe's Instagram (@aayaan_cafe) before you go.
- Third floor of 3 Wangsimni-ro 4ga-gil, Seongdong-gu. The shop's own description on Wanbyeokhan Haru puts it five minutes' walk from Ttukseom and Seoul Forest stations, on the third floor of the Hanyang rice-cake mill building. No parking.
Seongsu · Places
A to B Seongsu
에이투비 성수A cafe-bar on the second floor of 135 Achasan-ro: coffee and desserts by day, cocktails and highballs in the evening. DiningCode lists 12:00–23:00 daily with last order at 22:30, so it is closed in the morning and fits better into an evening plan. The signature item is "pigotchi", dried persimmon topped with cream cheese and pecans (₩10,000). It is about 170 m from Seongsu Station Exit 2.
Blue Bottle Coffee Seongsu
블루보틀 성수 카페Blue Bottle's first cafe in Korea, opened 3 May 2019. It is the red brick building outside Ttukseom Station Exit 1 — the ground floor holds the roastery that supplies Blue Bottle's Seoul cafes, and the seating is one level below. Multiple sources note the seat count is small. The official site lists 08:00–20:00 daily.
Cafe Dasique Seongsu
카페데이지크 성수A dessert cafe on the second floor of 6 Yeonmujang 5-gil. According to visitor reviews, the ground floor is a store of the cosmetics brand Dasique and the interior is pink-and-white marble. DiningCode lists 11:00–20:00 daily with last order at 19:00, so ordering stops an hour before closing. Individual cakes are listed at ₩14,000–₩16,000 and whole cakes at ₩55,000–₩59,000.
Cafe Onion Seongsu
어니언 성수The warehouse-conversion cafe that made Seongsu famous. Walk-in only — timing is everything. Signature: cream cheese garlic bread.
Sources
- https://www.diningcode.com/profile.php?rid=ejynOvQIbrVa
- https://polle.com/place/33NerU/%EC%95%84%EC%9D%B4%EC%95%88
- https://www.daangn.com/kr/local-profile/%EC%95%84%EC%9D%B4%EC%95%88-xm6tac3ggxm5/
- https://xn--2s2b33eb3kgvpta.com/store/S251031_1761893586356
- https://kr.trip.com/moments/detail/seongdong-gu-2016444-123410282/
Reviews
Visitor reviews. Unlike the information above, these are not checked by the editors.
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