• Massachusetts
  • Boston
  • Seiyo

Seiyo

(617) 447-2183
  • 1721 Washington Street, Boston, MA 02118
  • Website
  • Japanese ,  Sushi
  • $$$$$
  • Grubhub.com
  • Menu
  • Appetizers
    • Scottish Salmon Toro $10

      Avocado, yuzu miso sauce, taro crisp.

    • Torched Toro $12

      Grated fuji apple, yuzu ponzu dressing.

    • Trio of Toro $19

      2 pieces of tuna, salmon and hamachi.

    • Smoke Hamachi Sashimi $13

      Lime, Akita smoke salt.

    • Striped Bass Carpaccio $12

      Black truffle salt, garlic chip.

    • Tuna Avo Poke $12

      Chili soy sauce, sesame seed, scallions with lime juice.

    • Salmon Avo Poke $12

      Chili soy sauce, sesame seed, scallions with lime juice.

    • Tuna-Salmon Tartar $12

      Chopped tuna salmon and extra virgin olive oil topped with crushed avocado, chive, Parmesan crisp.uni jalapeno soy and daikon.

    • Wagyu Beef Tataki $13

    • Tataki $11

      Sliced lightly seared tuna or salmon.

    • Hamachi-Kama $12

      Grilled yellowtail collar with ponzu sauce.

    • Shumai $9

      Steamed shrimp dumplings.

    • Gyoza $9

      Steamed pork dumplings.

    • Naruto $8

      Thin sliced cucumber with crab stick avocado, tobiko with ponzu sauce.

    • Tako-Su $9

      Poached octopus with house vinaigrette sliced seared Kobe sirloin, pink peppercorn, jalapeno sesame oil, house vinaigrette.

    • Grilled Shishito Pepper $9

      Yuzu salt, bonito.

    • Edamame $6

      Spicy for an additional charge.

    • Edamame Hummus and Taro Chips $9

    • Ohitashi $7

      Chilled seasoned spinach with bonito flakes.

    • Shiromi POM $10

      Whitefish sashimi, pomegranate jelly, jalapeno soy, daikon.

    • Hotate Pesto $10

      These products are served raw. Fresh diver sea scallop sashimi with shiso pesto.

    • Sunomono $7

      Assortment of seafood in a house vinaigrette.

    • Karaage Fried Chicken $10

      Soy ginger marinated chicken thighs, lemon.

  • Soup and Salad
    Diced tuna or salmon, served with spring greens and kochujuan sauce.
    • Miso Soup $3

    • House Salad $6

      Ginger dressing.

    • Seaweed Salad $6

    • Avocado Salad $7

      Avocado, cucumber, crab stick, mixed with mayo, sesame seed.

    • Spicy Seafood Salad $8

    • Tofu Salad $5

    • Yukke Salad $9

      Diced tuna or salmon, served with spring greens and kochujuan sauce.

    • Tako Cucumber Salad $7

      Served with kimchee sauce.

  • Noodle Soup
    • Miso Udon Noodle Soup $11.95

      Roasted pork, spinach, soy egg, sesame seed, scallions.

    • Shoyu Udon Noodle Soup $11.95

      Spinach, shredded nori, soy egg, sesame seed, scallions. Shrimp tempura or grilled chicken.

    • Tonkatsu Udon Noodle Soup $11.95

      Rich meat broth, roasted pork, soy egg, spinach, sesame seed, scallions.

    • Korean Kimchee Udon Noodle Soup $11.95

      Shrimp, fish cake, fish tofu, kimchee, spinach, scallions.

    • Vegetable Udon Noodle Soup $9.95

      Tofu, shiitake mushroom, napa cabbage, carrot, scallions, sesame seeds.

  • Nigiri Sushi
    1 piece per order. Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Maguro Sushi $3

      Tuna.

    • Hon-Maguro Sushi $5

      Bluefin tuna.

    • White Tuna Sushi $4

      Escolar.

    • Hamachi Sushi $3

      Yellowtail.

    • Sake Sushi $3

      Scottish salmon.

    • Madai Sushi $5

      Japanese sea perch.

    • Shiromi Sushi $3

      White fish.

    • Suzuki Sushi $3

      Striped bass.

    • Ika Sushi $2.5

      Squid.

    • Tako Sushi $3

      Octopus.

    • Sawara Sushi $2.5

      Spanish mackerel.

    • Ebi Sushi $3

      White shrimp.

    • Hotategai Sushi $3

      Scallop.

    • Unagi Sushi $3

      Grilled freshwater eel.

    • Tamago Sushi $2

      Sweet omelette.

    • Kanikama Sushi $2.5

      Crabstick.

    • Tobiko Sushi $3

      Flying fish roe.

    • Ikura Sushi $5

      Alaskan salmon roe.

    • Uni Sushi $5

      Maine sea urchin.

    • Amaebi Sushi $3

      Maine sweet shrimp.

    • Inari Sushi $2

      Rice filled tofu pocket.

    • Anago Sushi $6

      Salt water eel.

    • Hirame Sushi $3

      Fluke.

    • Shiro Maguro $3

      Albacore tuna.

    • Tai $4

      Red snapper.

    • Spicy Scallop $4

      Scallop, tokiko, spicy mayo.

    • Hawaiian Kampachi $4

    • Torched Kobe Beef Sushi $5

    • Torched Foie Gras $5

      Tuna.

  • Nigiri Sashimi
    Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Maguro Sashimi $6

      Tuna.

    • Hon-Maguro Sashimi $8

      Bluefin tuna.

    • White Tuna Sashimi $7

      Escolar.

    • Hamachi Sashimi $6

      Yellowtail.

    • Sake Sashimi $6

      Scottish salmon.

    • Madai Sashimi $8

      Japanese sea perch.

    • Shiromi Sashimi $6

      White fish.

    • Suzuki Sashimi $6

      Striped bass.

    • Ika Sashimi $5.5

      Squid.

    • Tako Sashimi $6

      Octopus.

    • Sawara Sashimi $5.5

      Spanish mackerel.

    • Ebi Sashimi $6

      White shrimp.

    • Hotategai Sashimi $6

      Scallop.

    • Unagi Sashimi $6

      Grilled freshwater eel.

    • Tamago Sashimi $5

      Sweet omelette.

    • Kanikama Sashimi $5.5

      Crabstick.

    • Tobiko Sashimi $6

      Flying fish roe.

    • Ikura Sashimi $8

      Alaskan salmon roe.

    • Uni Sashimi $8

      Maine sea urchin.

    • Amaebi Sashimi $6

      Maine sweet shrimp.

    • Inari Sashimi $3

      Rice filled tofu pocket.

    • Anago Sashimi $9

      Salt water eel.

    • Hirame Sashimi $6

      Fluke.

    • Torched Kobe Beef Sashimi $8

    • Torched Foie Gras Sashimi $8

      Tuna.

  • Hoso Maki
    Seaweed outside maki. 6 pieces per order. Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Tekka Maki $7

      Tuna.

    • White Tuna Maki $6

    • Negihama Maki $6

      Yellowtail and scallion.

    • Sake Maki $6

      Salmon.

    • Ebi Maki $5

      Black tiger shrimp.

    • Kani Maki $5

      Crabstick.

    • Unagi Maki $6

      Freshwater eel.

    • Smoked Salmon Maki $5

    • Negitoro $10

      Toro and scallion.

    • Futo Maki $8

      (5 pieces) crabstick, egg, tobiko, shitake, oshinko, yamagobo, vegetables, eel.

  • Inside Out Maki
    6 pieces per order. All rolls can be hand-rolled. Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • California Maki $6

      Crabstick, cucumber, avocado.

    • Seiyo California Maki $10

      Maine jonah crabmeat, cucumber, avocado.

    • New California Maki $6

      White shrimp, asparagus, avocado, tobiko.

    • Philadelphia Maki $7

      Smoked salmon, cream cheese, cucumber.

    • Alaskan Maki $7

      Salmon, cucumber, avocado.

    • New York Maki $8

      Tuna, avocado, fuji apple, jalapeno.

    • Spicy Tuna Maki $8.5

    • Spicy Yellowtail Maki $8.5

      Yellowtail, tempura flakes, scallion, spicy mayo.

    • Spicy Salmon Maki $7.5

      Salmon, tempura flakes, scallion, spicy mayo.

    • Spicy Seafood Maki $7

      Shrimp, crabmeat, octopus, tobiko, spicy mayo.

    • Una Avo Maki $7.5

      Grilled eel, avocado.

    • Fashion Maki $7.5

      Grilled eel, cream cheese, cucumber, tobiko.

    • Grilled Salmon Skin Maki $5

    • Teriyaki Salmon Maki $7.5

    • Teriyaki Chicken Maki $6

    • Shrimp Mango Maki $6.5

      Black rice, shrimp, mango.

  • Vegetarian Rolls
    Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Avocado Maki $5

    • Kappa Maki $4

      Cucumber.

    • Ume-Shiso $5

      Plum paste, shiso, cucumber.

    • Oshinko Maki $4

      Japanese pickled radish.

    • Asparagus Maki $4

    • Seiyo Veggies Maki $8

      5 pieces. Spinach, oshinko, avocado, cucumber, shitake, lettuce.

    • Japanese Mushroom Maki $9

      Braised king oyster, shiitake with soy mushroom reduction.

    • Smoothie Maki $6.5

      Black rice, mango, avocado.

    • Garden Maki $7.5

      Black rice, apple, cucumber, lettuce, seaweed salad.

    • Sweet Potato Maki $6

  • Special Maki
    8 pieces per order. Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Spicy Scallop Maki $12

      Fresh diver sea scallop, cucumber, avocado, tobiko, spicy mayo.

    • Crazy Maki $10

      Shrimp tempura, cucumber, avocado, tobiko, spicy mayo.

    • Rainbow Maki $12

      Crabmeat, avocado, cucumber, wrapped with assortment of sashimi and avocado.

    • Scorpion Maki $13

      Grilled eel, cucumber, tobiko, wrapped with avocado and alaskan white prawn.

    • Spider Maki $12

      5 pieces. Softshell crab tempura, avocado, cucumber, tobiko, spicy mayo.

    • Caterpillar Maki $13

      Grilled eel, cucumber, tobiko wrapped with layer avocado.

    • Alligator Maki $15

      Crabstick, asparagus wrapped with grilled eel, avocado, tobiko.

    • Dragon Maki $15

      Shrimp tempura, cucumber wrapped with grilled eel and crab stick.

    • Red Dragon Maki $15

      Spicy tuna, tempura flakes, wrapped with tuna sashimi and chives.

    • Volcano Maki $14

      Crabstick and avocado wrapped with grilled salmon, tobiko, spicy mayo, kochujuan sauce.

    • Seiyo Special Maki $16

      Shrimp tempura, cucumbers wrapped with spicy salmon and spicy tuna.

    • Tsukiji Maki $16

      Seared white tuna wrapped over spicy salmon, thai basil, taro crisp, salmon caviar.

    • Hanabi Special Maki $15

      Fresh jonah crabmeat, avocado, cucumber, wrapped with torched spicy seafood, black tobiko caviar.

    • Kohaku Maki $15

      Fresh jonah crabmeat, asparagus, jalapeno, wrapped with red and white tuna, black and orange tobiko caviar.

    • Chilean Maki $17

      Wild Japanese mushrooms, asparagus wrapped with grilled Chilean seabass, taro crisps, spicy soy ginger chive vinaigrette.

    • Spicy Lobster BLT $16

      Butter poached maine lobster, organic bacon, lettuce, tomatoes, soy wrap, lobster cream reduction.

    • Kobe Shortrib Maki $17

      Seared kobe beef wrapped over shrimp tempura, jalapeno, asparagus, taro crisp. Japanese BBQ sauce.

    • The Duck Maki $12

      5 spice braised duck breast, cucumber, tobiko, julienne fuji apple, spiced ginger teriyaki reduction.

    • Chiba Maki $14

      Avocado, cucumber, tempura flakes, spicy chili aioli, topped with torched white fish, yuzu Saikyo miso sauce.

    • Niigata Maki $16

      Asparagus, avocado, cucumber, topped with torched toro demi-glace, jalapeno.

    • Crispy Tempura Eel Maki $14

      Grilled eel, cucumber, topped with king-crab kani, tobiko, tempura.

    • Hamachi Fever Maki $15

      Fuji apple, cucumber, torched hamachi, curry mayo, smoked soy sauce.

    • Salamander Maki $15

      Hamachi toro, fuji apple, avocado, cucumber, spring greens, rice Paper, shiraz hatch miso blue cheese aioli.

    • New Zealand Maki $14

      Cucumber, avocado, topped with bluefin tuna, kiwi spicy miso, kiwi vinaigrette.

    • Foie Gras Maki $19

      Avocado, mango topped with torched foie gras, garnish with taro chip.

  • Combinations
    Come with miso soup. Substitute rice for an additional charge. Substitute style for an additional charge. Add ons for an additional charge.
    • Sushi Regular $16

      6 piece nigiri sushi and sake maki.

    • Torched Sushi $18

      6 pieces torched sushi and new California maki.

    • Sushi Deluxe $20

      8 pieces nigiri sushi and California maki.

    • Sashimi Regular $20

      10 assorted pieces.

    • Sashimi Deluxe $28

      16 assorted pieces.

    • Sushi and Sashimi Combo $29

      5 pieces nigiri sushi, 9 pieces sashimi, sake maki.

    • Maki Combo $14

      California maki, spicy tuna, sake maki.

    • Vegetarian Maki Combo $12

      Asparagus maki, avo-kyu, shitake maki.

    • Handrolled Special $14

      Spicy tuna maki, avo-kyu maki, una-avo maki.

    • Party Boat $45

      9 pieces sashimi, 10 pieces nigiri sushi, sake maki, California maki.

    • Party Boat Large $65

      12 pieces sashimi, 18 pieces nigiri sushi, crazy maki, spicy tuna maki.

  • Donburi
    Comes with miso soup.
    • Chicken Don $15

      Teriyaki mustard poached chicken breast donburi.

    • Grilled Salmon Don $15

    • Yakiniku Steak Don $17

      Grilled sirloin steak w??? Japanese steak sauce,

    • Chirashi $16

      Assorted sliced fish and veggies.

    • Tekka Don $17

    • Sake Don $15

    • Hamachi Don $17

      These products are served raw.

    • Unagi Don $18

    • Uni Don $18

    • Tuna Poke Bowl $15

      Avocado, cucumber, lettuce, pickle, crispy taro chip, shredded nori, sesame seeds, spicy mayo.

    • Salmon Poke Bowl $15

      Avocado, cucumber, lettuce, pickle, crispy taro chip, shredded nori, sesame seeds, spicy mayo.

  • Lunch Bento Box
    Served with miso soup and house salad, 1 piece gyoza, 1 shumai, pickles, fresh fruit.
    • Seiyo Bento Box $14.95

      3 pieces sushi, 3 pieces sashimi, choose 1 maki below.

    • Sashimi Bento Box $12.95

      4 pieces of sashimi, choose 1 maki below.

    • Sushi Maki Bento Box $11.95

      3 pieces sushi, choose 1 maki below.

    • Shrimp Tempura Bento Box $11.95

      3 pieces shrimp tempura, 2 pieces inari, 1 piece gyoza, 1 piece shumai, pickles.

    • Yakiniku Steak Bento Box $12.95

      Grilled sirloin steak with Japanese steak sauce.

    • Maki Bento Box $11.95

      Choose 2 maki below.

    • Salmon Teriyaki Bento Box $10

    • Chicken Teriyaki Bento Box $10

    • F. Sushi and Sashimi $12

      3 pieces sushi, 3 pieces sashimi, 2 pieces inari, 1 piece gyoza, 1 piece shumai, pickles.

    • G. Vegetarian Maki $10

      Shiitake maki, avo-cuke maki, 2 piece inari, pickles.

    • H. Nabeyaki-Udon $10

      Thick noodles served with a light fish broth, choice of shrimp tempura or grilled chicken, assorted veggies.

  • Lunch Rice Bowls
    Served with miso soup.
    • Tuna Poke Bowl $10.95

      Sushi rice, avocado, cucumber, lettuce, pickle, crispy taro, shredded nori, sesame seeds, spicy mayo.

    • Salmon Poke Bowl $10.95

      Sushi rice, avocado, cucumber, lettuce, pickle, crispy taro, shredded nori, sesame seeds, spicy mayo.

    • Chicken Teriyaki Bowl $8.95

      Sushi rice, shiitake, pickle, spinach, cucumber.

    • Salmon Teriyaki Bowl $8.95

      Sushi rice, shiitake, pickle, spinach, cucumber.

  • Drinks
    • Soda $1.99

    • Organic Green Ice Tea $1.99

      Unsweetened.

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