Sushi Doon is a sushi restaurant near Gangnam Station Exit 6 in Seocho-gu, Seoul, serving sushi and sashimi courses. It offers a lunch omakase and a dinner room sashimi course, with udon and dessert included. The restaurant has operated at the same location for over 16 years and was recently renovated, and it has a private room. Lunch runs in two seatings, so meal times are short.