Ten Percent Coffee Busan Ocean Paragon is a coffee shop on the second floor of the Ocean Paragon apartment complex in Munhyeon-dong, Busan. It serves americanos, lattes, and sandwiches, with signature latte and Ten Percent Sandwich as its main items, and the signature latte comes as a 414ml iced drink. Takeout and delivery are available, and the space suits quiet conversation. During lunch hours it can briefly get crowded with workers from nearby construction sites.