Korea's ice cup drink trend is the ultimate budget-friendly DIY experience. Grab a cup of ice from GS25 or CU, pick your pouches, and mix your way through five viral combinations — from the electric Blue Lagoon to the sunset-worthy K-Sunrise — all for under 4,000 KRW.
Walk into any GS25 or CU in Korea and you will immediately notice two things: a freezer stacked with clear plastic cups filled with ice, and an entire wall covered in colorful liquid pouches. This is not an accident. This is Korea's most beloved DIY drink ritual, and it has taken over TikTok and Instagram Reels for good reason. The combinations are endlessly customizable, the colors are stunning, and the total cost rarely breaks 4,000 KRW. Today, we are walking you through exactly how the system works — and the five mixes worth trying before you leave Korea.
The Basics: How the Ice Cup System Works
The concept is beautifully simple. You buy a cup of ice from the refrigerated section (usually 300 to 500 KRW depending on size), then pair it with one or two drink pouches from the adjacent shelf or refrigerator wall. Pour, stir, sip. That is genuinely the entire process.
There are typically three ice cup sizes available at most GS25, CU, and 7-Eleven Korea locations:
- Regular Cup — standard crushed ice, best for juice and tea mixes
- Large Cup — more ice volume, ideal for layered drinks that need room to breathe
- Big Ball Ice Cup — contains one or two large spherical ice balls that melt slowly, making it the preferred choice for cocktail-style mixes where you want the drink to stay cold without diluting
One thing many first-timers miss: grab a straw from the counter near the register. They are free, and without one, the experience is considerably less satisfying. Some stores also stock reusable metal straws if you prefer a more eco-conscious option.
The pouches themselves range from fruit juices and teas to probiotic drinks, flavored sodas, and even soju-based mixers. The color-coded packaging makes the wall look overwhelming at first, but once you know what you are looking for, it becomes a genuinely fun browsing experience.
The 5 Mixes Worth Trying
Mix 1: The Blue Lagoon
Ingredients: Blue Lemonade Pouch + Milkis (Creamy Soda) | Cost: Under 3,500 KRW
This is the most photographed ice cup combination in Korea right now, and one look at it explains why. The electric blue of the lemonade swirling through the white creamy soda creates a gradient that looks almost too good to drink. Pour the blue lemonade over ice first, then slowly add the Milkis from the side of the cup to create a gentle layering effect. The flavor is bright, citrusy, and lightly creamy — somewhere between a soda and a smoothie. Perfect for a warm afternoon in Hongdae or Insadong.
Mix 2: Peach Paradise
Ingredients: Peach Tea Pouch + Yakult (Probiotic Drink) | Cost: Under 3,000 KRW
Yakult is a tiny bottle of sweet probiotic drink that Koreans have been drinking since childhood. When combined with peach tea over crushed ice, it creates a flavor that is simultaneously nostalgic and refreshing — sweet, slightly tangy, and deeply satisfying. Pour the peach tea over the ice first, then add the Yakult slowly to watch it sink and swirl. This is a sunset drink. Find a bench outside the convenience store, sit down, and sip this while watching the city move.
Mix 3: The Energy Boost
Ingredients: Powerade (Blue or Purple) + Red Vitamin Water | Cost: Under 3,500 KRW
This one is less about aesthetics and more about recovery. If you have been walking Seoul's streets for six hours straight — Gyeongbokgung, Bukchon, Myeongdong — your body needs electrolytes and fast. The combination of Powerade and vitamin water over a large cup of ice creates what the Korean convenience store community calls the "Purple Drink," a nod to the color that forms when the two liquids blend. It is not the prettiest drink on this list, but it is arguably the most functional. Great for rehydrating between sightseeing stops.
Mix 4: K-Sunrise
Ingredients: Orange Juice Pouch + Pomegranate or Cranberry Pouch | Cost: Under 4,000 KRW
This one requires a steady hand and a large cup. Pour the orange juice over the ice first and fill to about two-thirds. Then, very slowly, pour the pomegranate or cranberry pouch along the inside edge of the cup. Because the pomegranate juice is denser, it will sink slightly and create a stunning red-to-orange gradient that genuinely resembles a sunrise. The flavor is tart and layered — citrusy at the top, deeper and more complex at the bottom. This is the one to photograph before you mix it.
Mix 5: The Tipsy Pouch
Ingredients: Green Grape Pouch + Mini Bottle of Chamisul Soju | Cost: Under 4,000 KRW
For the adults in the group, this is the ultimate Korean convenience store cocktail experience. Green grape juice (cheongpo-do flavor) is mild, sweet, and slightly floral — it softens the sharp edge of chamisul soju into something that is genuinely easy to drink. Use the big ball ice cup for this one so the dilution stays slow and controlled. Pour the grape juice first, add half the soju bottle, and taste before adding more. The result is light, fruity, and dangerously drinkable. Best enjoyed at the outdoor tables beside the store at dusk.
Quick Reference: The Ice Cup Mix Cheat Sheet
| Mix Name | Key Ingredients | Vibe | Approx. Cost |
|---|---|---|---|
| The Blue Lagoon | Blue Lemonade + Milkis | Aesthetic & Creamy | Under 3,500 KRW |
| Peach Paradise | Peach Tea + Yakult | Sweet & Nostalgic | Under 3,000 KRW |
| Energy Boost | Powerade + Vitamin Water | Recovery Mode | Under 3,500 KRW |
| K-Sunrise | Orange Juice + Pomegranate | Layered & Tart | Under 4,000 KRW |
| The Tipsy Pouch | Green Grape + Soju | DIY Street Cocktail | Under 4,000 KRW |
Aesthetic Tips: How to Get the Perfect Pour
The difference between a good ice cup drink and a great one is entirely in the pour. Always add your base liquid first, then introduce the second ingredient slowly along the inside edge of the cup rather than directly from the top. This preserves the layering and gives you that gradient effect worth photographing.
For extra texture, check the same refrigerated aisle for small cups of bingsu jelly, coconut jelly, or aloe vera pieces. Drop a few into your cup before pouring for a drink that has both visual interest and satisfying chewiness with every sip.
Local Etiquette: A Few Things to Know
It is completely normal — and actively encouraged — to sit at the small tables or benches outside Korean convenience stores to enjoy your drink. This is how locals do it. There is no rush, no judgment, and no minimum purchase required to use the seating.
When you are finished, separate your waste properly. The plastic pouch goes in the plastic recycling bin, the cup lid in general waste, and if there is liquid remaining, pour it into the designated liquid disposal sink near the entrance before tossing the cup itself. Most stores have clear signage in both Korean and English to guide you through this.
Korean convenience stores are open around the clock, which means this experience is available at literally any hour. A 2 AM ice cup on a warm Seoul night is one of those small travel memories that stays with you far longer than any museum visit.
Which color combo are you trying first? Tag your ice cup photos and share them in the comments below — and save this guide for your Seoul trip!
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