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Gilpost · Seongdong-gu, Seongsu-dong 1-ga

Ruby's Cafe SM Seongsu

루비스카페 SM성수점 Rubiseu Kape SM Seongsu-jeom The Seoul outpost of Little Ruby's, a New York all-day brunch room, on the ground floor of SM's music centre

Other · Seongdong-gu, Seongsu-dong 1-ga

Updated · Published

Ruby's Cafe SM Seongsu is an all-day brunch restaurant on the ground floor of the red-brick SM Artist & Music Centre, a hundred metres from exit 6 at Ttukseom. It is the second overseas branch of Little Ruby's, opened in New York in 2002 by Australians; the only other Korean one is in Hannam. The house dish is the Bronte Burger in a ciabatta bun — though what people actually write about is the sweet potato fries beside it. This is not brunch only: there is pasta, risotto, gnocchi and steak, with wine and beer, so it works for dinner too. Between three and five in the afternoon the kitchen stops and only drinks are served. The posts we read run from December 2024 to September 2026.

The basics

Address서울특별시 성동구 뚝섬로1길 56, 1층 (성수동1가)
56 Ttukseom-ro 1-gil, Seongdong-gu, Seoul
Phone070-8836-9328
Typical spend₩5,500 – ₩75,000
Floor area106 m²
StatusIn business

13 posts say it is walkable from the station.

When it opens

OpenDaily10:30–21:00 14 of 15 posts last seen 2026-09
Break15:00–17:00 8 of 12 posts last seen 2026-09
BreakWeekdays15:00–17:00 4 of 12 posts last seen 2025-07
BreakWeekends없음 2 of 12 posts last seen 2025-05
Last order20:40 6 of 6 posts last seen 2026-09

Counted from what bloggers wrote in their posts; we did not confirm it with the restaurant. Where the values differ, it may be a change over time rather than a disagreement, so we show when each one was written.

What sets it apart

  1. Writers split over whether the room is roomy or cramped, and reading them you find they are measuring different things: the room is roomy, the table is not. Those who call it roomy are talking about the ceiling and the gaps between tables — a high ceiling that makes it feel open, tables set far enough apart that the next one does not intrude, one writer noting you could hold a private conversation. Those who call it cramped are talking about the two-seater in front of them: three dishes and a drink, and the table felt too small; a two-seater is tight once you add a third plate. Both are true. And there is a rule attached: if you are two, you get a two-seater even when the room is nearly empty. Two writers who do not know each other saw the same thing — one watched a later pair ask for a four-seater at opening time and be moved to a two after an explanation; the other advises asking when the staff seat you, since on a quiet day a four-seater is there for the taking. If you mean to order three dishes or more, it is worth asking as you sit down.
  2. This is not a disagreement about queues; it is a disagreement about clocks. Everyone who reports no wait arrived at or near opening — first customer of the day at half past ten, two tables occupied at eleven on a Saturday, no real wait on a weekday. Everyone who found no seat was there at lunch: the room fills fast at noon; full at twelve on a weekday; mostly full at one; a crowd arriving all at once as lunchtime came. The most useful line anyone writes is that seats start going from around noon, so aim to be in by half past eleven. Not one writer describes standing in a line. What matters here is not the length of a queue but whether a table is free — which is why booking keeps coming up as the answer.
  3. You can book — writers name both Naver and CatchTable. One was asked at the door whether they had a reservation, said no, and was lucky enough to be shown to a window seat. Only one writer says they actually booked, and they walked straight into a full room at noon on a weekday. One post mentions a ₩1,000 coupon for booking through Naver. One writer notes a Christmas course menu taking reservations, and one lists group seating and paid corkage — that last comes from the shop's own notice, and we have not confirmed it.
  4. Easy to find, hard to get into. Four writers put it a hundred metres or two or three minutes from exit 6 at Ttukseom; two say exit 5; one gives seven minutes from exit 4 at Seoulforest. The landmark is the red brick building — one writer says anyone who knows Seongsu has seen it, and another notes foreign tourists photographing it, since it is an idol agency's centre. The trouble comes next: one writer reports that the entrance is round the left-hand corner of the building, yet everyone tries the main door on the right first, and another admits doubting a restaurant could be under the music centre at all. There is a small planted garden at the cafe's door — three writers describe it — and that is what to look for.
  5. What gets praised most often and most loudly here is not the house dish but a side: the sweet potato fries. ₩4,000 swaps them for the chips that come with a burger, and six writers independently say some version of "just do it". They are what one remembers instead of the burger; the swap was the masterstroke; the sweet potato rather overshadows the beef; one regrets not ordering a plate of their own. Writers describe a faintly glazed sweet crust, a truffle scent, a dusting of seasoning. Exactly one writer says the opposite — someone who fell for them at the SoHo original and found the Korean version disappointing and the fries soggy. Ten on one side and one on the other may just be the day's fryer, but it is worth noting that the dissenter is the one who has eaten the original.
  6. A menu heavy with cream, and hardly anyone calls it heavy. The lemon shrimp pasta gets fresh lemon into its cream, and writers describe it as closer to an oil pasta, finishing bright enough not to tire. The risottos draw the same note: braced for something cloying, they found the spices and seafood holding it level. One writer, though, leaves a precise warning: the lemon shrimp pasta and the spicy saffron risotto are both cream-based, so ordering them together will weigh on you — better to add a drink each, or something tomato-based. The two most popular dishes are both cream, and that is the catch.
  7. Dear or fair, and the difference is what they compare it to. Those who call it dear are comparing it with a light meal: Seongsu brunch prices being what they are, this is still a lot for something casual; one hesitated at the door expecting it to be expensive; one flatly says it is overpriced even for Seongsu, closer to Hannam's numbers. Those who call it fair are comparing it with a proper restaurant: mains other than the steak run ₩20,000–30,000, much like any Western place; better value than most Italian rooms; not outrageous given what Seongsu charges. There are three ways down: the weekday over-rice plates from ₩13,000 and the lunch discounts (the jamón gnocchi drops from ₩29,000 to ₩19,000), ₩1,000 off for takeaway, and four writers who got free fries or a drink through a receipt or survey review event.
  8. A brunch room that turns into a drinking room in the evening. Wine, beer and cocktails, plus drinks the kitchen makes itself. Four writers mention the low light — a wine-bar mood, a room made for wine — and one emptied a bottle at lunch (₩15,000 a glass, ₩65,000–75,000 a bottle; their first choice was out and they took another). The one writer who tried the house Ruby's Lager was let down: promised something sweet, they got something seriously bitter, nearer an IPA than a lager, and think they will order a cola next time. One writer notes an orange wine on the list.
  9. You order from a QR code on the table, and there is no call bell. The menu opens the same way, and staff bring what you order. Hence one writer's warning: there is no bell, so say what you need while someone is there — flagging a server down is a little awkward. Sometimes staff choose your table, sometimes they tell you to sit where you like, though a pair seems to get a two-seater by default (see the note on the room above). Water and cutlery arrive once you sit, and two writers point out that a drink is therefore not obligatory.
  10. The lavatory is outside the shop. Of twenty-three posts only one mentions it, and that one is exact: you have to go out to reach it, which is a nuisance, but it is spotless and the men's and women's are separate. Whether it is a shared facility inside the building or something separate outside, how many paces from the door, whether there are steps on the way — that writer does not say either. One person, and that person called it inconvenient: that is the whole of what we know.

What 23 bloggers said

We read all 23 in full. The most common claims are “Crispy batter” (10) and “Would return” (7).

What they liked

Crispy batter10 of 23 posts
Would return7 of 23 posts
Spicy7 of 23 posts
Not greasy6 of 23 posts
Quiet6 of 23 posts
Clean3 of 23 posts
Returning customer3 of 23 posts
Large portions2 of 23 posts
Thick cut2 of 23 posts
Juicy1 of 23 posts
Comfortable seating1 of 23 posts
Friendly staff1 of 23 posts

What they struggled with

Food comes slowly2 of 23 posts

Where they disagree

Roomyyes 8 · no 3
Had to waityes 4 · no 5
Expensiveyes 4 · no 3

Things you can check on site

Reachable by transit13 of 23 posts
Large windows9 of 23 posts
Takes reservations8 of 23 posts
Wine served6 of 23 posts
Ground floor5 of 23 posts
Review event4 of 23 posts
Discount offered4 of 23 posts
Seats to sit and eat3 of 23 posts
Self-order screen3 of 23 posts
Takeout2 of 23 posts
Beer served2 of 23 posts
Air conditioned1 of 23 posts
Coupon1 of 23 posts
Separate restrooms1 of 23 posts

These are raw counts, not percentages. Someone who did not mention something is not someone who disagreed.

The prices here are what bloggers wrote down in their posts, and they may have changed since. Check Naver Place for the current menu and prices. This list is not a menu board — it counts what bloggers actually ordered and ate. Check on Naver Place

Parking

2 posts say you cannot park. None say you can.

Posts saying you cannot2 of 23 posts

Not one writer in the denominator reports having parked. Two say in their own words that the shop has no car park of its own — there is none, but a public lot nearby; there is none, so use a public lot or, easier, come by train or bus. Which lot, though, they do not agree on: two name the Seongsu Culture Centre (one copying out the tariff — thirty minutes free, then ₩1,000 per half hour, ₩500 per further ten minutes), one names the Ttukseom retarding-basin public lot, five minutes on foot with plenty of space. Both are copied from the shop's notes or a search, not from anyone who paid. One writer simply records "parking: please check", and three carry a bare "no parking" line lifted from a listing. One post we read does describe actually parking at the Culture Centre — but that writer never came in, so they are out of the denominator. It is still worth passing on: there was a space, and it is two or three minutes' walk from the door.

Who came, and with whom

With a friend5 of 23 posts
Group visit4 of 23 posts
Solo visit1 of 23 posts

Getting there

Map showing where Ruby's Cafe SM Seongsu is

Naver Map has a full English mode — Settings → Language → English. In Korea it gives better walking and transit directions than Google Maps.

Getting inside

Second flooryes 0 · no 5
Toilet insideyes 0 · no 1
Separate restrooms1 of 23 posts

Nobody has looked at whether there is a step at the door. Across all thirty posts the words for threshold, ramp, wheelchair, pushchair, stairs and lift appear not once. That it is a ground-floor room, several writers say from having seen it — on the ground floor of the red SM building — but whether the doorway is level, none of them says. We have not inferred anything favourable: a big window and a planted entrance mean the room is bright, not that the floor runs through. And because the lavatory is outside, getting through the front door is not the whole of the question. If you are coming by wheelchair or with a pushchair, ask about the entrance and the route to the lavatory in the same phone call.

No one mentioned: In a basement · Lift to the floor · Ramp at the door · Step at the entrance · Step-free access · Accessible toilet. That is not the same as there being none — it means we could not confirm it. Worth calling ahead, and do tell us: we will put it here.

How to read these posts

  • Posts disclosing payment1 of 23 posts
  • Posts saying they paid themselves6 of 23 posts
  • Posts saying nothing either way16 of 23 posts

Posts that followed a TV spot

Of the 24 posts we gathered, 1 went up on a single day right after a TV spot and show no sign of a visit. They retell the broadcast, so we left them out of the counts.

We do not discard them. That a TV spot produced a burst of posts is itself something worth knowing about a place, and a star rating will not show it.

When the posts appeared

1201030405060708070809
Month by month
MonthPosts
2024-121
2025-011
2025-033
2025-043
2025-053
2025-063
2025-072
2025-081
2026-071
2026-084
2026-091

What we do not know

  • Between three and five in the afternoon the kitchen is shut. Twelve posts give a break of 15:00–17:00, and four of them add that drinks are still served. All four who attach days say weekdays, and two state outright that there is no weekend break — one writes the weekday hours as two sittings, 10:30–15:00 and 17:00–21:00, and the weekend as one unbroken 10:30–21:00. The eight who give no days do not separate weekday from weekend, so only two of the twelve actually vouch for the weekend running straight through. Three writers were caught by the break: one regrets that three to five is simply out; one "just about survived the break" before getting in; one advises coming on a weekday and dodging it. Fourteen posts agree on 10:30 and 21:00, with a last order at 20:40. One disagrees — the oldest post, from December 2024, gives 11:30–22:00 — which may well be how the first year ran, but nobody has written it since, so it is not on the table. No post mentions a regular closing day: which means nobody wrote it down, not that there isn't one.
  • Some dishes are lunch only, so what you want decides when you go. Two groups. First, the over-rice plates — chicken or pork ₩13,000, both ₩14,000, beef ₩18,000 — the cheapest meal here, weekday daytimes only. Second, the brunch-only dishes: the Little Bronte Burger and the Big Brekkie, plus the jamón gnocchi at its lunch price (₩29,000 down to ₩19,000). Posts disagree on when this stops: four say two in the afternoon, one says half past. We could not settle it, so if you are coming for those dishes, be seated by half past one. There are set menus too, but their contents and prices differ post to post and we could not reduce them to one line: a March 2025 post gives pancake, risotto and sandwich for ₩39,000; a September 2026 post gives garden salad, lemon shrimp pasta, Bronte burger and two soft drinks for ₩45,000; and one writer reports that a set is near enough three people's food, so two of them could not order one.
  • One post declares a sponsorship. It is from June 2025, and the body never says so — the word sits in the hashtag line of the preview block at the top, one tag among a dozen. It also happens to be the post with the fullest menu and prices for this place, so it is worth knowing as you read it. In the other twenty-two, no word for sponsored, provided, tester panel or copy fee appears in the body or the tags, and six of them state that they paid their own way. Four writers did get something free through a receipt or survey event — one filled in a Google form and was handed a strawberry-basil lemonade, two were given a plate of fries. A glass or a plate is not a paid visit, so we have not counted it as changing who paid, but here it is.
  • Two forms of the phone number appear in the posts, and the one in our own records is a third. The posts give 070-8836-9328 (four of them) and 0507-1449-9328 (four more); the last four digits match, so the 0507 is almost certainly the relay Naver puts in front of the shop's line. We have published the 070, which reads as the shop's own. The number on the licence record, 02-516-8802, appears in none of the twenty-three posts — it may belong to the building, so we have not used it. We have not called to check.
  • Two writers say the food is slow, and both explain why in the same breath: be in no hurry, one advises; it took a while, says the other, but with that many things on the plate it was fair enough — both were eating something like the Big Brekkie, a single plate of many parts. Two others report the opposite, food arriving quickly while they were still looking around, so it seems to depend on what is on the plate. One of the two who waited adds that the staff's warmth made up for it.

Sources (23)

Every number above was counted from the posts below.

  1. 성수 루비스카페 SM타운점 올데이세트 A 후기, 데이트 브런치로 딱 2026-09-23 · 여니의 먹고 다니고 사용한 것들의 기록 · via Daum
  2. 뚝섬역 브런치 카페 추천 팬케이크가 맛있는 루비스카페 SM성수점 2026-08-25 · 포테토끼의 깡총깡총 여행 · via Daum
  3. 이제는 언젠지도 모르겠는 2026년 상반기 일기 2026-08-20 · 트리플 맘대로 일상 · via Daum
  4. 성수 브런치 맛집 루비스카페 SM성수점|뚝섬역 데이트 허니콤 팬케이크 내돈내산 2026-08-08 · 쏠랑방구 · via Daum
  5. [성수] 루비스 카페 _ #성수 조용한 브런치 워너비 카페 2026-08-06 · 엑셀양의 시트이야기 · via Daum
  6. 성수동 분위기 좋은 브런치 카페 루비스카페 SM 성수점 2026-07-25 · 먹고 노는 블로그
  7. 2025.08 성수 루비스 카페 2025-08-24 · 일상기록 · via Daum
  8. 서울숲 브런치 맛집 루비스카페 SM성수점 후기 및 주차 2025-07-19 · 봄의봄님의 블로그 · via Daum
  9. [공기업 인턴] 4달차 part1 2025-07-14 · IDEALIFE · via Daum
  10. 뚝섬역맛집 찾음 루비스카페 SM성수점 2025-06-27 · 토마스의 블로그 · via Daum
  11. Ruby’s cafe 루비스카페 SM성수점 방문기 (뉴욕 그 루비스카페 맞음) 2025-06-14 · ٩꒰。•◡•。꒱۶ 행복한콩 · via Daum
  12. 서울숲 맛집 브런치 무조건 여기서 인생브런치 등극한 루비스카페 sm성수점 강추 2025-06-13 · 플라이 디나 · via Daum
  13. 루비스카페 SM성수점|뉴욕 브런치 맛집, 고구마튀김 꼭 먹기✍️ 2025-05-28 · 오늘도 후회없는 순간들 · via Daum
  14. 뚝섬역 맛집 성수 브런치 추천 루비스카페 SM성수점 2025-05-14 · . · via Daum
  15. 해외 감성 분위기에 샌드위치까지 맛있는 봄미식로드 루비스카페 SM성수점 2025-05-01 · 고구마마시소 · via Daum
  16. [성수 브런치 맛집] 루비스카페 SM성수점 : 성수동 분위기 좋은 브런치 맛집🥪 2025-04-12 · 밍밍의 일상일기 · via Daum
  17. 성수동 핫플 분위기 좋은 브런치카페 루비스카페 SM성수점 2025-04-11 · 나의 하루 · via Daum
  18. [서울/성동구 뚝섬] 루비스카페 SM성수점 – 뉴욕 안가도 돼, 성수에 다 있다! 2025-04-04 · 스푼 앤 스티치 · via Daum
  19. [서울 성수동] 루비스카페 SM 성수점 주말데이트, 브론테버거 뉴욕본점 브런치카페 2025-03-21 · 으니의 좌충우돌 리뷰 · via Daum
  20. [성수동 브런치카페] 루비스카페 SM성수점 ㅣ 🎼🍴SM 뮤직센터 1층에 옮겨둔 유럽 브런치 맛집 2025-03-12 · eat+love+pray ♡.°୨୧ · via Daum
  21. [성수 맛집] 루비스 카페 : 브런치 맛집 강추 2025-03-11 · SEUL SEUL SEUL · via Daum
  22. New year, same me 2025-01-05 · Dearsuhyun · via Daum
  23. 서울숲 뚝섬역 브런치 맛집 루비스카페 SM성수점 2024-12-22 · 내 덕질 방해 금지 · via Daum

Of 211 candidate posts we opened 65 and kept 23 as evidence. We stop once 30 are confirmed: beyond that the counts grow in proportion without changing the answer.