Welcome to Tajima Ramen Mercury, our spacious izakaya-style destination in Kearny Mesa. Known for one of the largest Japanese menus in the Tajima family, Mercury offers an exciting mix of ramen, fresh sushi rolls, and tapas-style small plates—perfect for sharing with friends or pairing with drinks from our full bar.
With seating for up to 90 guests, cozy booths, and a lively atmosphere, Mercury is ideal for group dinners, parties, and after-work gatherings. Three large TVs keep the energy up on game days, while our friendly, laid-back staff makes everyone feel at home. From rich tonkotsu ramen to crispy karaage and specialty sushi, every dish is crafted with the quality and care that defines Tajima.
Our full bar program features house-crafted cocktails, an impressive selection of Japanese whiskies, rotating San Diego craft beers, imported Japanese brews, wine, and premium sake—making Mercury a true destination for food and drink lovers alike.
Shrimp lightly battered and fried tempura style, served with dipping sauce
Vegetable Tempura
6.5
Mixed vegetables lightly battered and fried tempura style, served with dipping sauce
Miso Soup
3
Tofu, green onion, and seaweed
Edamame or Garlic Edamame
5
Boiled soy beans cooked with garlic
Chicken Katsu Bun
5
Steamed bun with crispy chicken cutlet glazed in a house sauce, shredded cabbage, and mayo mustard
Pork Gyoza
7
Pan-fried pork dumplings served with Gyuza sauce
Tajima Fries
10
French fries, minced pork, and onion, topped with mozzarella cheese and spicy mayo
Takoyaki
10
Octopus fritters topped with brown sauce, mayo, bonito flakes, and seaweed flakes
Karaage
8
Seasoned deep fried chicken with spicy mayo on the side
Crunchy Cucumber Salad
4.5
Chopped crunchy cucumber topped with house made fried chili oil and sesame seeds
Crispy Rice Spicy Tuna
7
Crispy rice topped with avocado, spicy tuna, and jalapeño slices drizzled with a sweet sauce
Ramen
Tajima strives to create quality authentic ramen, our original Tonkotsu soup is a pork based broth that takes up to 12 hours to cook and results in a rich, cream taste. Pairs perfectly with our ramen egg noodles and toppings.
Substitute Egg Noddles for Spinach Noodles +1. Add extra toppings for an additional cost.
Traditional Tonkotsu Ramen
15
Original pork bone broth, egg noodles, pork chasu, ½ ramen egg, wood ear mushrooms, green onions, and sesame seeds
Tajima Red/Black/White
17
Original pork bone broth with egg noodles, pork chasu, ½ ramen egg, corn, baby boy choy, green onions, and sesame seeds
Carnitas Ramen
17
Original spicy pork bone broth, egg noodles, housemade carnitas, ½ ramen egg, red radish, cilantro, diced onions, lime wedge, and dried oregano
Spicy Sesame Ramen
17
Original spicy pork bone broth mixd with special sesame paste, egg noodles, seasoned ground pork, ½ ramen egg, corn, wood ear mushrooms, baby bok choy, diced onions, sesame seeds, and dried chili pepper
Chicken Ramen
16.5
Original chicken bone broth, egg noodles, chicken chashu, ½ ramen egg, braised takenoko, green onions, baby bok choy, and sesame seeds
Vegan Ramen
16.5
Creamy soy based broth, spinach noodles, marinated tofu, braised takenoko, wood ear mushrooms, baby bok choy, corn, green onions, and sesame seeds
Rice Dishes
*Consuming raw or undercooked meats, poultry, seafood, shellfish or eggs may increase your risk of foodborne illness, especially if you have certain medical conditions.
Salmon Poke*
16.5
Salmon with sweet shoyu sauce, avocado, seaweed salad, wonton crunch, and furikake over steamed rice
Tuna Poke
14.5
Fresh tuna with sweet shoyu sauce, avocado, seaweed salad, wonton crunch, and furikake served over steamed rice
Pork Chashu Fried Rice
14.5
Pork chashu, rice, egg, green peas, carrots, onions, corn, and baby bok choy with fried chili oil on the side.
Chicken Chashu Fried Rice
14
Chicken chashu, rice, egg, green peas, carrots, onions, corn, and baby bok choy with fried chili oil on the side
Shrimp Fried Rice
17
Shrimp rice stir-fried with egg, peas, carrots, onions, corn, sesame seeds, and baby bok choy, served with fried chili oil on the side
Vegetarian Fried Rice
13.5
Grilled marinated tofu, rice, egg, green peas, carrots, onions, and baby bok choy with fried chili oil on the side.
Chicken Teriyaki
11.5
Stir fry chicken with teriyaki sauce served with white rice, broccoli, and mixed vegetables.
Sushi
California Roll
9
Kanikama, avocado, cucumber
Carnitas Roll
13
House-made carnitas mixed cream cheese, avocado, sliced onion, comes with spicy ponzu sauce
Crunchy Dragon Roll
18
Shrimp tempura, kanikama, cucumber, gobo & kaiware; topped with avocado, house-made tempura crunchies & eel sauce
Mercury Roll
10.5
Deep fried roll with kanikama, avocado, and cucumber topped with eel sauce, spicy mayo, masago, and green onion
Rainbow Roll*
17
Kanikama, avocado, cucumber topped with salmon, tuna, yellowtail, and shrimp
Spicy Roll*
9.5-12.5
Rolled with kaiware and your choice of fish Choice of: Salmon 10.5 | Tuna 9.5 | Yellowtail 12.5
Tajima Roll*
18
Avocado, kanikama, gobo, persian cucumber; topped with tuna tataki and served with a side of butter ponzu cilantro sauce
163 Roll*
19.5
Spicy tuna, onion, cucumber, avocado, and spicy mayo, topped with yuzu marinated yellowtail tataki, cilantro, and jalapeno
Dessert
Matcha Panna Cotta
6
Creamy gelatin matcha pudding topped with mixed berries
Ice Cream
6.5
Vanilla with strawberry syrup or Matcha with chocolate syrup
Cinnamon Churros
5
Mochi Ice Cream
4
Assorted flavors available — ask your server!
Kids
For guests 12 & under
Teriyaki Chicken
7.5
Served with steamed rice
Happy Hour Menu
Stop by for Happy Hour at Tajima Mercury, Monday–Friday from 11:30 AM to 5 PM. Guests enjoy specials on cocktails, sake, Japanese whisky pours, and local craft beer, paired with izakaya favorites like gyoza, karaage, and takoyaki.
With plenty of on-site parking and a late-night menu served daily, Mercury is one of the best happy hour spots in Kearny Mesa to relax, watch a game, or kick off an evening out with authentic Japanese food and drinks.
