Hidden Blue

Hidden Blue is a cafe in Seosaeng-myeon, Ulju-gun, Ulsan, facing the sea. It serves truffle mushroom pizza, basil pasta, Aurora lemonade, americano, and mojito. The outdoor seating is spacious and there is a parking lot, and on clear days boats can be seen passing beyond the sea. When it rains or the weather is too hot or cold, the sea is difficult to see.