Seoul's convenience stores, especially 7-Eleven, have gained international attention for their unique, high-quality coffee and innovative snack offerings, making them a must-visit spot even for short-term travelers. The viral 7-Eleven coffee hack involves customizing beverages like the Iced Hazelnut Latte and Coolish, a popular frozen coffee treat, which has captivated locals and tourists alike. The Iced Hazelnut coffee, typically 230ml with around 68 calories, is part of 7-Eleven's premium blend lineup, offering rich flavor and convenient portability—perfect for travelers exploring the city. Coolish, another favorite, is a squeezable frozen coffee snack designed for refreshment on-the-go, especially during warm days or transit stops. 7-Eleven Korea also provides a competitive pricing model, with promotional offers such as “2+1” deals, allowing customers to purchase two drinks and receive a third free, enhancing the value for travelers. Beyond coffee, Seoul's 7-Eleven stores offer a variety of local delicacies and quick bites that reflect Korean flavors, such as unique pizzas and regional snacks. For travelers with layovers like the 12-hour stop mentioned, indulging in Korea’s 7-Eleven beverages and snacks presents an efficient and enjoyable way to experience local tastes without leaving transit areas. Moreover, these stores are conveniently located and accessible, enabling spontaneous exploration, which often leads to discovering trending items on platforms like TikTok and Instagram. Tips for travelers include checking out the freshness dates on items, sampling seasonal drinks, and combining beverages like iced latte and hazelnut coffee with quick Korean snacks. Engaging in this culinary adventure also allows travel content creators to document viral hacks, contributing to growing travel diaries and enhancing cultural appreciation.