Koi Restaurant, Bangkok 26 Sukhumvit 20, Sukhumvit Road, Bangkok. Koi Restaurant serves Japanese dishes with California accents and has one main dining room which can host 164 guests; there are also a number of private dining rooms. Koi has a dinner menu, a sushi menu and a dessert menu. The drinks menu includes wines, champagne, sake and cocktails. Bangkok | Restaurants in Bangkok | Bangkok Nightlife Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Save my name, email, and website in this browser for the next time I comment.