For Chinese food the obvious choice is Chinatown (??? Chukagai), which has over 200 Chinese restaurants. Snacks are sold on the streets, but most restaurants in the area are quite expensive (expect to pay ¥1,500 for a decent lunch) and the food has been toned down to suit the Japanese palate. One of the most popular foods in Chinatown is Nikuman (??? nikuman), or bread filled with pork and vegetables, which are sold by dozens of stores and vendors. Chinatown is the terminus of the Minato Mirai 21 line.
Yokohama Daihanten (?????) phone:045-641-0001, 154 Yamashitachou Naka-ku. Open: restraint 11:00-21:30(until 20:10/last orders 20:50), stand 10:00-21:30. It is about 6 minutes from Ishikawachou station and 10 minutes from Motomachi Cyukagai station. Price: For one person/adult 2480yen, child(9-12) 1480yen, kids(4-8) 1029yen. It is all you can eat style Chinese food restraint with no time limit. You can eat food after your orders so you can eat freshly cooked Chinese food. It has 4floors, B1 to 3F.
Shinyokohama Ramen Museum (?????????? Shin-Yokohama ramen hakubutsukan). Shin-Yokohama 2-14-21, [41]. Paradise for noodle lovers, but not just because of the (Japanese-only) exhibits of the history of instant ramen noodles: the centerpiece here is the basement, which contains a recreation of 1950s-era Tokyo done in incredible detail, complete with operating branches of 10 famous ramen joints. Expect to queue and pay at least ¥1000 for a bowl, but if you really love your noodles, it's worth it. 5-minute walk from Shin-Yokohama station (on the #1 subway line). Open from 11 AM to 11 PM daily, admission & yen; 300.
Chano-ma, in Aka-renga park in Minato-Mirai. There is a large floor about 60cm up where you can lie down with blankets and some pillows like a living room.
Tachibana is located near Higashihakuraku station in Kanagawa ward in Yokohama city. Wanko-soba restaurant, which is Japanese noodles served in small bowls to have eating competition at restaurant.
Manchin-Ro is located near Yoshimoto Baby Aquarium. It is best to take the Keihin Tohoku Line and get off at the Ishikawa station, and it only takes 5 mintues to get there. It not only supplies delicious food, but is also really very cheap. You only need 1,500 en for you to get full. During lunch time it is run as a kind of self-service restaurant, but you do not need to get food by yourself. You can just order the food you want from the menu, and they will serve you the finished product.
Daidai-ya(??). Queen's Square 'at!'2nd 4,5F ?045-228-5035 1min walk from Minato-Mirai Station. This restaurant serves creative dishes, mixing Japanese and Western foods. In addition to the tasty dishes and drinks, the view is very beautiful at night. You can see the illumination of Cosmo World. Especially, Cosmo Clock(a Ferris wheel) is wonderful. By the window, there are some seats for couples. So, this place is good for dates! Reservations are recommended for these seats. The average budget for lunch is ?1,000, for dinner is ?4,000. Office hour is 11:00-15:00, 17:00-23:00 on Sundays to Thursdays, 17:00-23:00 on Fridays and Saturdays.