Umi Sushi Đà Nẵng - 267 Đống Đa is a Japanese restaurant in Da Nang that serves sushi, sashimi, and oysters. Oysters can be ordered one at a time, and the menu includes sushi sets and purple rice rolls. Miso soup arrives after ordering, and yogurt or fruit comes after the meal, with food prepared quickly. The restaurant does not accept card payment, so cash is required.