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Gilpost · Goseong-gun, Toseong-myeon

ONC

오엔씨 O-en-ssi A three-storey cafe standing on its own at Gyoam beach in Goseong, where the sea-facing second floor has only three window tables.

Korean · Goseong-gun, Toseong-myeon

Data as of · Published ·

ONC is a three-storey building of its own, standing on the shore road at Gyoam beach in Goseong. Two writers read the menu board and report the name is short for Ocean & Coffee. Nothing is built in front of it, so the harbour is on your right and the beach on your left. The ground floor holds the counter, some seats, the toilet and a door out to a small terrace. To reach the first floor you go back outside and up an external stair — several writers note there are no stairs inside. That floor is the one with the full-height window and a mirrored wall facing it; above it is a roof terrace with no shade at all. Four signature lattes carry the menu, and one writer copied down that they come iced only, on a double shot. Drinks arrive in a reusable PP cup printed with the logo: one writer took hers home to use again, another was unhappy to be handed plastic. The dessert case has changed — four kinds of scone in late 2024, dacquoise and terrine cake since. We read thirty posts and counted all thirty; none were set aside. Eight of them are whole-trip write-ups of the Goseong coast, with anywhere from two to five places checked in, and in those we read only the ONC passages. The posts run from November 2024 to September 2026.

The basics

Address강원특별자치도 고성군 토성면 천학정길 19
19 Cheonhakjeong-gil, Toseong-myeon, Goseong-gun, Gangwon-do
Phone0507-1398-2341
Typical spend₩5,000 – ₩7,500
Floor area134 m²
StatusIn business

When it opens

Of 17 posts: 11 wrote Daily 09:00–17:00, 3 wrote Saturday 09:00–18:00, 2 wrote Weekdays 10:00–17:00.

OpenWeekdays10:00–17:00 2 of 17 posts last seen 2026-09
OpenDaily09:00–17:00 11 of 17 posts last seen 2026-09
OpenSaturday09:00–18:00 3 of 17 posts last seen 2026-07
Last order16:30 9 of 11 posts last seen 2026-09
Closed화요일 4 of 13 posts last seen 2026-09
Closed수요일 9 of 13 posts last seen 2026-07

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. The sea is on the upper floor, and the stair to it is outside the building. One writer puts it plainly: there are no stairs inside, you go out and up. Another describes an automatic door, marked on the wall, that lets you out to them; a third collected her drink at the counter and carried it up the open-air steps. The roof terrace is further up the same stair. Several writers say you can see water from the ground floor too, but the full-height window is only upstairs.
  2. What people call the sea-view seat is really three seats. One writer counted three tables at the glass; another describes four chairs set in a row along it, which makes room for three parties. Two writers say they tried for that row and lost. The wall opposite the window is a full mirror, and several found that the reflected sea makes the back of the room feel far more open than photographs suggest. On whether the back is good enough, the posts disagree outright: some say the view is still fine, one says from behind she could barely see water at all.
  3. People come here while their name is on a list somewhere else. Eight writers had put in for Baekchon Makguksu or Nogwon Sikdang and walked in to kill the wait. One found fifty-three parties ahead of her at ten to nine in the morning; another was number two hundred the moment remote queuing opened at ten. That is two or three hours to spend, and ONC is three to five minutes away by car. One writer went looking specifically for somewhere open at nine, which is rare on this stretch of coast, and three say they were the first customers of the day. Half the reason the posts keep calling it quiet is the hour they arrived.
  4. The no-children rule got wider while we were reading. Every post from November 2024 through January 2026 describes it the same way: the first floor is no-children, the ground floor and the roof are fine. Every post from May 2026 on says the whole place is no-children, fourteen and over, and gives safety as the reason. The break is clean enough to read as a change of policy rather than a disagreement. Both versions, though, are the cafe's own notice copied out, and we have not confirmed which one is in force now.
  5. The rule on dogs turned over in the same stretch, but the other way. Posts from November 2024, April 2025 and June 2025 all say no animals. Every 2026 post says dogs are welcome with vaccinations done and a carrier or lead, and that the first floor indoors is off limits to them. One writer noticed a hook at each seat for tying a lead to. So dogs got in — but not to the floor with the window.
  6. The roof has no shade. Post after summer post says the same thing in different words: plenty of seats and the best view in the building, and not a scrap of cover; too much sun to sit in; mind the top of your head; it needs a parasol; surprised to find no awning. The floor is gravel and the village rises behind you. Several writers say to come in spring or autumn, or near sunset.
  7. The chairs at the window have no backs. One writer simply says she hates backless chairs; another puts it down to the room being styled for photographs and admits it was uncomfortable; a third decided the row behind was the better place to sit with her parents, since the front chairs give you nothing to lean on. The seat closest to the water is the hardest one to stay in. Two writers mention sofas — at the back of the upper floor and downstairs.

What 29 bloggers said

We read all 29 in full. The most common claims are “Quiet” (11) and “Roomy” (7).

What they liked

Quiet11 of 29 posts
Roomy7 of 29 posts
Returning customer4 of 29 posts
Friendly staff3 of 29 posts
Not expensive2 of 29 posts
Would return3 of 29 posts
Clean3 of 29 posts

What they struggled with

Uncomfortable seating3 of 29 posts
Portions are small2 of 29 posts

Where they disagree

Dogs allowedyes 9 · no 3

Things you can check on site

Second floor23 of 29 posts
Large windows19 of 29 posts
Rooftop seating17 of 29 posts
No children15 of 29 posts
Outdoor terrace seating9 of 29 posts
Toilet inside3 of 29 posts
Air conditioned1 of 29 posts
One dish per person1 of 29 posts

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

The most ordered dish is americano (아메리카노) — 10 of 29 posts.

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

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

Posts saying you can park8 of 29 posts

There is no car park of its own. The writers who say where they actually left the car name the verge along the shore road, a two- or three-car space beside the building, the lanes behind, and the beach car park. One notes it is tight but nobody is enforcing anything, so you park where you are not in the way. The phrase "beside the concrete wall opposite the cafe" appears word for word in the information block at the top of four posts, none of which says the writer parked — we read that as copied and did not count it. Whether that verge fills up on a summer weekend, nobody wrote.

Who came, and with whom

Came by car7 of 29 posts
With a friend4 of 29 posts
Date4 of 29 posts
Family visit3 of 29 posts
Solo visit1 of 29 posts
Group visit1 of 29 posts

Getting there

Map showing where ONC 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 floor23 of 29 posts
Toilet inside3 of 29 posts
Separate restroomsyes 0 · no 1

In thirty posts, not one says whether you can get in with a wheelchair or a pushchair. No one looked at the threshold, a ramp, or a step; no one mentions a lift, either to say there is one or that there is not. Yet the seats that look at the sea are upstairs, and several writers state that the only way up is the stair outside the building. People do say you can see water from the ground floor, so sitting down there is possible — but whether there is a step at that door, we do not know. The toilet is described as being on the ground floor; an accessible toilet is described by nobody.

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 saying they paid themselves11 of 29 posts
  • Posts saying nothing either way18 of 29 posts

When the posts appeared

1101040506010305070809
Month by month
MonthPosts
2024-112
2025-011
2025-041
2025-051
2025-061
2026-011
2026-032
2026-051
2026-072
2026-089
2026-098

What we do not know

  • Nobody arrived by bus or train. One post does lay out the route — the 1 or 1-1 from either Sokcho bus terminal, off at Gyoam 2-ri, right at the GS25, left at the fork and straight on — but it never says the writer rode it. Everyone else came by car, and one walked along the beach from where she was staying. How often the bus runs, and how long the walk is from the stop, nobody wrote down.
  • Not one customer says they queued here. Waiting comes up again and again across the thirty posts, but always at Baekchon Makguksu or Nogwon Sikdang; this is the room where you wait for those. Several writers found the place empty, or were the first in. One post says it gets fairly busy at the height of summer, and even that is written as something she was told rather than saw. So we cannot answer when you should come to get a seat — least of all the three at the window, which two writers already missed out on.
  • Two writers actually went in. One calls it a shared toilet and thought the owner keeps an eye on it through the day; the other was struck by the absence of a single limescale mark. A third post lists it as having separate men's and women's — but in the exact wording of Naver's facilities list, so we did not count it. The person who went in called it shared. What a post says and what its writer saw are not the same thing.
  • The price went up, and opinion splits on it. The house latte is written as ₩6,500 in a May 2025 post and ₩7,000 in every post after. One writer was surprised how cheap it was for a cafe with this view; another calls it standard for a tourist spot; two say you get little for the money; one shrugs that expensive and good go together. Not one post gives the price of a dacquoise — you could back it out of somebody's total, but that would be our arithmetic, not theirs, so we left it out.
  • One post's information block is probably not about this cafe. A post from August 2026 gives the phone as 0507-1375-6385, the hours as 10:00–21:00 daily, the Instagram as @onc_coffee, and says there is a dedicated car park beside the building. All four contradict the rest — thirteen other posts give 0507-1398-2341, every other post closes between five and seven in the evening, the Instagram is @onc.cafe, and there is no car park. We take it as another cafe of the same name, copied in. The visit itself reads as real — the overcast day, the sunset ade and the black-sesame cream latte, the floor upstairs — so we kept the post in the count, but took no figure from that block, the opening hours included.
  • Opening splits between nine and ten, and the closing day looks as though it moved. Thirteen posts say nine, spread across the whole span from November 2024 to September 2026; four say ten. It does not sort by date — one writer watched the door open at nine in August 2026 and another wrote ten that same month, and a September 2026 post splits it: ten on weekdays, nine at the weekend. On the closing day, nine posts say Wednesday and four say Tuesday, and all three posts after August 2026 say Tuesday. Not one post mentions an afternoon break — which is not the same as saying there is none.
  • No post declares a sponsorship. Eleven say they paid their own way; the other nineteen say nothing either way. We read the bodies and the hashtag blocks at the end and found no line about anything being provided, and no disclosure tag. That is not the same as saying none was sponsored — all we know is that nobody said so.

Sources (29)

Every number above was counted from the posts below.

  1. 즐거웠던 속초 2박 3일 기록📝 2026-09-14 · Just a smitten kitten :) · via Daum
  2. [ 고성 교암 : 오엔씨 카페 ] “오션뷰 감성 카페” / 내돈내산 솔직후기 2026-09-13 · 0809 · via Daum
  3. [고성] 오엔씨 | 웨이팅 하기 좋은 바다뷰 카페 2026-09-12 · 일기짱 · via Daum
  4. 강원도 필수 코스, 고성 '백촌막국수' 2026-09-11 · - · via Daum
  5. 고성 오션뷰 감성카페 추천 오엔씨 애견동반 가능 2026-09-11 · 먹고 마시고 떠나는 여행플래너 설로그 · via Daum
  6. 고성 오션뷰 감성 카페, 오엔씨 카페 2026-09-05 · ღ.log · via Daum
  7. 고성여행 2026-09-05 · 히듀 · via Daum
  8. 고성 속초 2박3일 여행 코스 2일차! 오엔씨 카페, 88생선구이, 잔디바다 카페 2026-09-02 · like 먼비 · via Daum
  9. 강원도 고성 1박 2일 여행 코스 | 백촌막국수 웨이팅 팁, 아야진 스노쿨링, 경비 총정리!⁠ 2026-08-28 · 위니의 기록장 · via Daum
  10. 겨울 속초·고성 1박2일 여행|소연이네 누룽지오징어순대·능파대·금강산 화암사 2026-08-27 · 양김모찌네, 오늘도 · via Daum
  11. <고성 카페> 오엔씨 카페 & 아야진해수욕장 솔직후기 2026-08-24 · 만듀의 리뷰 일기장 :) · via Daum
  12. 고성 오션뷰 감성카페 ONC, 바다 보며 힐링하기 좋은 카페 추천 2026-08-19 · 안나의일기
  13. [고성 여행] 강원도 고성 카페 맛집 너무 맛있어서 두번 간 곳, 오션뷰 카페 오엔씨 (ONC) 2026-08-13 · 온니냐 블로그 · via Daum
  14. [강원도 | 고성] 오션뷰 카페 ‘오엔씨(ONC)’ | 녹원식당·백촌막국수 웨이팅 하기 좋은 바다뷰 카페 2026-08-07 · ⁺˳✿⏦₊ · via Daum
  15. 고성 오션뷰 카페 오엔씨 후기, 바다 보며 쉬기 좋은 감성 카페 2026-08-06 · 옌리사의 기록사전| 맛집·카페·웨딩
  16. 고성 오션뷰 카페 오엔씨, 백촌막국수 웨이팅 하면서 간 아침일찍 오픈하는 곳 2026-08-02 · 쫌쫌따리 재테크 일기 · via Daum
  17. 여름이다! 조용하고 깨끗한 바다. 강원도 수영하기 좋은 바다!(고성 자작도 해수욕장, 교암리 해수욕장... 2026-08-01 · 그냥 해보는 매일 Stino.M menswear&magazine · via Daum
  18. 강원도 고성 카페 추천 오션뷰가 아름다웠던 오엔씨(ONC) 카페 후기 2026-07-10 · 둥둥의 햅삐데이
  19. [강원 고성] 오엔씨(O&C)카페 (교암리 바다뷰, 라떼가 맛있는 고성 애.... 2026-07-08 · J E A N N U O V O
  20. 강원도 고성 애견동반 오션뷰 카페 <오엔씨카페> 교암리해수욕장 근.... 2026-05-21 · 리뷰하다
  21. 속초 고성 카페 오엔씨 오션뷰 조용한 혼카페 추천 2026-03-26 · 죠사장의 이모저모
  22. 강원도 고성 오션뷰 카페 오엔씨 내돈내산 솔직후기 2026-03-13 · 맛있게 떠나는 여행˚ෆ*₊
  23. 강원도 고성 카페 ONC 오엔씨 바다가 보이는 오션뷰맛집 내돈내산 2026-01-12 · 하루를 담는 하루담
  24. 고성 감성 카페 오엔씨 방문 후기|SNS에서 핫한 그곳, 가봤습니다 2025-06-19 · 쩡이의 천방지축 삶
  25. 고성 오션뷰카페 라떼맛집 오엔씨(ONC)카페 2025-05-21 · 골프지니로그
  26. [ 속초/고성 카페 ] 교암리 해수욕장 조용한 오션뷰 카페 오엔씨 ONC 2025-04-07 · 순간의 기록 'ᴗ'♡
  27. 고성 교암해수욕장 오션뷰 카페 , 오엔씨(ONC) 2025-01-01 · 우리의 일상
  28. [고성 카페] 교암해변 조용한 오션뷰 카페 오엔씨 ONC 2024-11-08 · Bella's diario
  29. @onc :: 고성 교암해변 조용한 오션뷰 카페 오엔씨 2024-11-03 · 요조숙자블로그

Of 262 candidate posts we opened 36 and kept 29 as evidence. We stop once 30 are confirmed: beyond that the counts grow in proportion without changing the answer.