Eat

• Shitateya (仕立屋), (1 min from Futamatagawa Stn). Tiny local seafood eatery. Try the deep-fried oysters (kaki furai).
• Le Sucre (ル・シュクル), Nokendai 1-9 (8 min from Nokendai Stn). Pseudo-French bakery well known for its cheesecakes. 
• Azteca (アステカ), (next to Nokendai Stn). 10AM-10PM. Curry, coffee and cakes. Live music on Saturday nights.
• Italian Bar BASIL (バジル), Castle Sakuragi 1F, Noge-cho 2-81, Naka-ku (5 min walk from Sakuragicho Stn Noge exit; across from the Cheruru Shopping Center). Though a stand-bar by nature, a great place to take in a nicely paced meal if you can get a seat! Lots of choices at reasonable prices (izakaya-style portions) but focuses on a few ingredients, making for a refreshing take on the all-too-common Italian fare in Japan. Recommendations: any antipasto and risotto, complemented with sangria or wine of the day.  edit
• Kua'Aina, (2 locations: 4F Bay Quarter Shopping Center (Yokohama Stn E Exit) and Akarenga Shopping Center (5 min walk from Bashamichi Stn)). Hawaiian-style burgers! If you're craving something a step above McDonald's or Wendy's, this is the place. Big menu with both standard and gourmet burgers, as well as some American-style sandwiches. 
• Tori Dori (鳥どり), Kanzaki Building 1F, Noge-cho 2-59, Naka-ku (Down the street from the Cheruru Shopping Center). Cheap and good yakitori and other izakaya fares, as well as reasonably priced drink specials on weeknights and all-you-can-drink available for 4 or more people (a rarity for yakitori restaurants). No English menu, however knowledge of yakitori lingo should suffice. 
• Shabu-Shabu Buffet Syabu-Yo (しゃぶしゃぶブッフェ しゃぶ葉) 1F World Porters Shopping Center (Minato Mirai area). While most all-you-can-eat shabu-shabu restaurants will typically serve pork. Vegetables, desserts, and a full range of drinks are set out buffet-style while staff keeps the meat coming. Has a very Japanese atmosphere (music, decor) without being over-the-top, perfect for value-seeking tourists!
• Tinun (ティーヌン) 6F Cial (Yokohama Station West Exit). A classier version of the local Thai restaurant chain, but with the same reasonable prices. Stir-fried noodles are a must.
• Edaminami Parisienne, Edaminami 5-7-3, Tsuzuki-ku. +81 045-941-7106, Bakery shop famous for its curry doughnuts. 9 AM-7 PM daily.
• Yokohama Kurikoan (横浜くりこ庵). Famous for their version of taiyaki, a Japanese pastry usually made with red bean paste, but here they use chestnut paste (kuriko-an) instead.
• Meiji-Santeore (明治サンテオレ), +81 045-785-1534. There are famous for "coroquette burger," using potato inside instead of beef. Major Leaguer Daisuke Matsuzaka ate here in his school days. 
• Bunnosuke Chaya(文の助茶屋). Cubic Plaza Shinyokohama 10F, located beside Shinyokohama Stn. The main shop is located in Kyoto. This is the only shop in Kanto area. You can enjoy the Kyoto sweets even in Yokohama! There are many kinds of Kyoto sweets menu. Also, there are some light meals like soba. Especially, its warabi-mochi (わらび餅) (bracken-starch dumpling) is wonderful. As putting it in your mouth, it melts away with rich flavor of soybean flour. It has a moderate sweet taste, so everyone regardless of age or sex can enjoy it. 11 AM-8 PM.
• Konaraku (こな楽),045-942-2626, 4-7 Omaru, Tsuduki-ku. It is about 10 min from Center-Minami Stn. You can eat a special Japanese pancake, okonomiyaki. You can eat unique food, like monjayaki.
• Rasuta (らすた), Kouhoku-ku, Hiyoshihon-cho 1-5-41, 3 min from Hiyoshi Stn. +81 045-565-1608, 11:30 AM-1:30 AM. Chinese noodle (ra-men ラーメン) restaurant. Thick noodle and delicious tonkotsu (とんこつ) soup. 
• Linden Baum(リンデンバウム), Kouhoku-ku, Shimoda-cho 4-7-5, 15 min from Hiyoshi Stn by bus, +81 045-562-3928, 9:30 AM-8 PM. It is famous for sweet baumkuchens, cakes, and especially roll cakes.
• Maruya(マルヤ), Kokuhoku-ku, Hiyoshihon-cho 1-19-2, 1 min from Hiyoshi Stn, +81 045-563-8108, 7:30 AM-6 PM, closed M. Foods: Futomaki(太巻 450yen), it is a thick sushi roll with eggs, cucumber, kanpyo (かんぴょう dried gourd shavings), and so on. Inari-zushi (いなり寿司), it is a kind of sushi wrapping with abura-age (油揚げ deep-fried bean curd). sweets: Dango (だんご), these are dumplings with bean paste, kinako (soybean flour), and so on. Strawberry daifuku (イチゴ大福 ), it is a soft rice cake stuffed with bean jam and a strawberry. Some workers buy the food for their lunch or breakfast before going to their office. If you pass the front of Maruya early morning, you can feel the nice smell of cooking rice.

• For Chinese food, head to Chinatown (中華街 Chūkagai), which has over 200 Chinese restaurants. Snacks are sold on the streets, but most restaurants in the area are quite expensive and the food has been toned down to suit the Japanese palate. One of the most popular foods in Chinatown is Nikuman (肉まん 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 (横浜大飯店), 154 Yamashitachou Naka-ku, 6 min from Ishikawachou Stn and 10 min from Motomachi Cyukagai Stn, +81 045-641-0001, 11 AM-9:30 PM (until 8:10 PM/last order 8:50 PM), stand 10 AM-9:30 PM. It is all you can eat style Chinese food spot with no time limit. You can eat food after your orders so you can eat freshly cooked food. It has 4 floors, B1 to 3F. 
• Shinyokohama Ramen Museum (新横浜ラーメン博物館 Shin-Yokohama rāmen hakubutsukan). Shin-Yokohama 2-14-21. 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, but if you really love your noodles, it's worth it. 5 min walk from Shin-Yokohama Stn (on the #1 subway line). 11 AM-11 PM daily.
• Chano-ma, in Aka-renga park in Minato-Mirai. There is a large floor about 60 cm 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 an eating competition at the restaurant.
• Manchin-Ro is located near Yoshimoto Baby Aquarium. It is best to take the Keihin Tohoku Line and get off at the Ishikawa Stn, 5 min walk. It not only supplies delicious food but is also really very cheap. 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(橙家). Queen's Square 'at!'2nd 4F-5F, 1 min from Minato-Mirai Stn +81 045-228-5035. 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. Su-Th 11 AM-13 PM, 5 PM-11 PM, F Sa 5 PM-11 PM.

• The Landmark Tower has Japanese, Chinese and French restaurants on the 68th floor, where you can enjoy excellent food and unparalleled views of Yokohama and Tokyo. But the luxury doesn't come cheap.
• Seryna (瀬里奈) Between Kannai and Bashamichi Stations, in front of Golds Gym. Steaks served Japanese teppanyaki-style but set inside a turn-of-the-century Western atmosphere. Sweeping views of Bashamichi's historic buildings and MM21. 

Drink

• All 500yen bar GIMME!GIMME!GIMME!, 1-45 Noge-cho, Naka-ku,231-0064. Even around Sakuragi-cho, one of Japan’s most expensive areas, a “Gimme! Gimme! Gimme!” has appeared with a low-priced “all 500 yen” menu. Each bar has its own character in Yokohama, especially in the downtown area in Sakuragi-cho that is called “Noge”. But, without a doubt, the best part of “Gimme! Gimme! Gimme!” is its affordable price.
• Summer brings the beer gardens : both Luminè Department Store (near Yokohama Stn) and the Star Hotel sport the rooftop variety, or there's a real garden next to Yamate Jubankan.
• Benny's Place, Ishikawacho 1-25 Mitsubo Bldg 2F, +81 045-671-0818 (just off the big intersection in Motomachi). American-style sports bar complete with baseball memorabilia, cable TV, darts, and a friendly owner who'll gladly tell you about his days in the U.S. Navy at "Yah-kohska". And the biggest hamburgers served this side of the Pacific.
• Downbeat, Miyamoto Bldg 2F 1-43 Hanabusacho, Naku-ku 231-0052 Sakuragicho. Another jazz bar, but this one features an extensive record collection, a "record menu" and a foreigner friendly staff. Request a song out of the menu and the owner will put it in the queue.
• HOGS HEAD, Naka-ku Tokiwa-cho 6-77, No 2 Hiyoshi Bldg 1F (中区常盤町6-77第2日吉ビル１F), +81 045 641-4746. If you like the Windjammer, you will like this Irish/American-themed bar too. Very Japanese, they tried it to perfection. The pub is trying hard to look as Irish/American as can be and is doing a very good job. The bartenders know over 200 cocktails. Basic food, pasta, pizza, and snacks are also available. Unique about the bar is its size, which can be classed as rather large in the area of Bashamichi, Kannai, where small, tiny sized bars are common. There is no live band, but the music jamming out of the speaker systems throughout the bar is Jazz and the bar itself is very quiet and emphasis is placed on enjoying your drink. Reservations for large groups.
• LOGOS,Ishikawacho 4-168 Sekiuti Real Estate Building 2, B1F. One of Yokohama's hottest, and oldest, hip-hop clubs. DJ's spinning R&B, reggae, and hip-hop. Special events throughout the month. 
• Oriental Café, 2-16-4 Minamisaiwai, Nishi-ku, is a small-sized diner which plays continuously house music and the interior décor is in line with the music it plays. For an easy night out and on a budget, rather attractive with its unique décor, its simple menu and plain but basic selection of beers, cocktails, and wines. +81 045 311-4640. Access, Yokohama Stn, 10-15 min walk along the Shintama River, diagonally across the “Hamabowl” Bowling hall.
• Palm Bar And Cafe (Digital Bar), (Hodogaya Eki East Gate, 4 min from Yokohama Stn on the Yokosuka Line), +81 045-712-0227. M-Sa 7 PM-2 AM. A small trendy bar with a full array of top-shelf liquors and daily drink specials makes it an inexpensive watering hole. English music selections with a large screen TV plus free internet makes it a great place to relax after work.  
• The Tavern, 2-14 Minami Saiwai cho, Nishi Ku (From Yokohama Stn, head left until you come to Daiei supermarket/Tokyu Hands department store - it's under McDonald's), +81 045 322-9727. This, the first British pub/restaurant in Yokohama has been open over 20 years and is the regular watering-hole for expats and foreign business travelers who come back to Yokohama regularly. About 70% of the clientele is Japanese, and is single-lady friendly! When you enter, it's like walking into a pub in England, and the large selection of food and imported draught beers help keep one of the busiest night-spots in central Yokohama. Fish & chips is highly recommended. 
• Windjammer, Toraku Bldg 1F, Yamashita-cho, Naka-ku, +81 045-662 3966. A classy jazz bar on the edges of Chinatown run by an American expat who loves to put on a show for his customers. Bands play downstairs most nights and there's a large screen for those on the second floor showing the action below. The decor is decadent and there's a chocolate fountain with fruit for dipping. Su-Th 5:30 PM-1 AM, F Sa 6 PM-2 AM.