마트어택: Why Korea's Convenience Stores Are Now a Tourist Attraction
If you've spent any time on social media lately, you've probably seen videos of tourists in Seoul clutching armfuls of snacks, cradling steaming cups of ramen, and filming themselves inside brightly lit convenience stores at midnight. This isn't a coincidence — Korea's convenience stores have become a legitimate tourist attraction, and the numbers back it up.
In 2025–2026, foreign sales at CU surged 101.2% year-over-year. GS25 wasn't far behind at 74.2%, with 7-Eleven posting a 60% increase. With Korea expecting over 20 million foreign visitors in 2026 — a record high — convenience stores are quietly becoming one of the most talked-about stops on every Seoul itinerary.
But what exactly is drawing tourists into these stores by the millions? The answer involves a perfect storm of unique food culture, clever design, and a phenomenon Koreans call 마트어택 (mart attack).
What Is 마트어택 (Mart Attack)?
The term captures something very real: you walk into CU or GS25 intending to buy one thing — maybe a bottle of water — and you walk out 15 minutes later with a full bag. A triangle kimbap, a cream bun, some cookies you've never seen before, a collab drink with your favorite idol's face on it, and yes, the water you came in for.
마트어택 isn't a marketing gimmick. It's a natural reaction to stores that stock up to 70 new food items every single week. The product rotation is relentless, the packaging is always eye-catching, and the price point — most items between ₩1,500 and ₩4,000 — makes experimenting feel risk-free.
Unlike convenience stores in the West, which are generally seen as a last resort for road trips or late-night munchies, Korean convenience stores occupy a very different cultural space. They're open 24 hours, they have seating (indoors and outdoors), free boiling water stations for ramen, microwaves, ATMs, and in some cases, currency exchange kiosks. For a tourist in Seoul, they function as a combination of food hall, rest stop, and cultural experience all in one.
The Must-Try Items in 2026
Korean convenience store menus change constantly, but some items have earned their permanent spot — and a few new ones have already gone viral this year.
The Classics That Never Disappoint
삼각김밥 (Triangle Kimbap) is the undisputed king. GS25's flagship tuna mayo version sells over 50 million units annually — and the chain recently redesigned the recipe and packaging after listening to customer feedback. At around ₩1,500, it's the perfect quick bite. Try bulgogi or spicy tuna for something different.
컵라면 (Cup Ramen) eaten in-store is a rite of passage. You pour boiling water from the free dispenser, wait three minutes, and eat it at one of the tables — often next to a mix of Korean students and tourists doing exactly the same thing. Shin Ramyeon remains the classic choice, but new flavors arrive constantly.
The 2026 Viral Stars
두바이쫀득초코볼 (Dubai Chewy Cookie) — inspired by the Dubai chocolate trend that swept Korea in 2025 — is still flying off shelves. It's a pistachio-cream-filled chocolate confection with a distinctive chewy texture. CU's Seongsu dessert branch opened in February 2026 specifically to cater to this kind of premium snack demand.
밤 티라미수컵 (Chestnut Tiramisu Cup) has become a sleeper hit with tourists who expect it to be sweet and are pleasantly surprised by the earthy, nutty depth. It's $3 and comes with a little wooden spoon.
연세우유 크림빵 (Yonsei Milk Cream Bread) is the soft, pillowy cream-stuffed bread that went viral on TikTok. It's sold cold, which surprises most first-timers. Eat it immediately — the cream is delicate.
과일 샌드위치 (Fruit Sandwich) — white bread stuffed with fresh fruit and whipped cream — looks almost too pretty to eat and tastes exactly as good as it looks.
Which Chain Should You Visit?
All four major chains are worth exploring, but each has its strengths:
CU is the largest chain and the most tourist-forward. In 2026, they expanded AI interpretation support to over 70 stores in tourist-heavy areas including Myeong-dong, Hongdae, and Gwanghwamun — useful if you want to ask staff questions without a language barrier. Their new dessert-focused Seongsu branch is worth a dedicated visit for premium snacks.
GS25 has installed 24-hour currency exchange kiosks at select locations covering 15 foreign currencies — a genuinely practical feature if you need quick cash. Their food quality is consistently high, and they frequently collaborate with Korean celebrities.
7-Eleven has a strong presence in Itaewon and airport areas, making it convenient for travelers just arriving or getting ready to leave. Foreign sales grew 60% YoY.
Emart24 tends to be less crowded than the big two, which can be a bonus if you want to browse without fighting for space on a busy weekend.
Practical Tips for First-Timers
Eat in-store. Most convenience stores have small seating areas — plastic chairs by the window, or outdoor benches. Sitting down with a cup of ramen and watching the street outside is one of Seoul's simple pleasures. You're not expected to buy anything special to use the seating.
Check the expiry dates. This sounds obvious, but with so many new products launching weekly, some items sell out fast while others sit longer. Fresh items (cream bread, fruit sandwiches) should ideally be eaten the same day.
Use the microwaves. Pre-packaged rice dishes, pasta, and hot snacks often require a 60–90 second microwave blast. Instructions are in Korean, but staff are usually happy to help — and in CU's AI-supported locations, translation is built in.
Download the loyalty apps. Both CU (CU멤버십) and GS25 (더팝) have apps that offer points, discounts, and free items. They take five minutes to set up and pay off quickly if you're planning to visit multiple times.
Visit late at night. This is when convenience stores are at their most atmospheric — a warm pool of light on an otherwise quiet Seoul street, full of students studying, couples sharing snacks, and the occasional solo traveler with a cup of coffee and nowhere to be. If you want to understand Korean food culture, this is the place to do it.