Served w/ salad, rice, miso soup, and California roll 4 pc. Upgrade brown rice $1, Chicken breast $2, Upgrade spicy tuna roll, or 5 pc Crunch roll for $2
Chicken (Or Beef Steak) Teriyaki and Mixed Tempura
$16.99
$18.99
Salmon Teriyaki and Mixed Tempura
$18.99
Chashu Miso Pork and Mixed Tempura
$18.99
Sashimi and Mixed Tempura
$19.99
Chicken (Pork, or Fish) Katsu and Mixed Tempura
$19.99
Dcs Koisan's Famous Bento Box
Upgrade brown rice $1, Chicken breast $2, Upgrade spicy tuna roll, or 5 pc Crunch roll for $2
Dcs Koisan's Famous Bento Box
$22.99
Served w/salad, rice, miso soup, and California roll 4pc. Daily fresh Sashimi 6pc, chicken (or New York Steak) and mixed Tempura
Koisan Signature Dish
Served with Salad, Rice, and Miso Soup
Osaka Pepper Chicken (Or Beef Steak)
Pepper Soy Marinated Chicken (New York steak)
$20.99
$22.99
Lobster Garlic Butter Motoyaki (Lobster, Scallop, and Shirmp)
$31.99
Baked Lobster, Scallop, Shrimp, and Vegetables with Creamy Garlic Sauce
Miso Alaskan Black Cod
$22.99
House Marinate Black Cod with Miso
Seard Ahi Tuna Steak w/ Grilled Vegetable
$22.99
Garlic Pepper Seared Blue Fin Tuna Steak with Sesame Sauce
Koisan Roll Combo. 4pc California 4pc Spicy Tuna, and 5 Shrimp Crunch Roll
Omakase 3
$13.99
Hand Rolls Combo. Calfornia, Salmon Skin, Spicy Crunch
Omakase 4
$16.99
5 Pc Sushi Combo. W/ 8 Pc California, 8 Pc Spicy Tuna Roll, or 5 Pc Crunch Roll
Chirashi Plate
$19.99
Assorted daily fresh Sashimi on the Sushi Rice
Unagi Plate
$19.99
Grilled Fresh Water Eel with avocado over the rice
Combination Bento
Served with Salad, Rice, Miso Soup, and California Roll 4 Pc. Upgrade brown rice $1, Chicken breast $2, Upgrade spicy tuna roll, or 5 pc Crunch roll for $2
Chicken Teriyaki and Mixed Tempura
$14.99
New York Steak Teriyaki and Mixed Tempura
$16.99
Salmon Teriyaki and Mixed Tempura
$16.99
Chashu Miso Pork and Mixed Tempura
$16.99
Chicken (Fish or Pork) Katsu and Mixed Tempura
$17.99
Sushi and Mixed Tempura
$17.99
4 Pc Sushi & Mixed Shrimp and Vegetable Tempura
Sashimi and Mixed Tempura
$17.99
6pc Sashimi & Mixed Shrimp and Vegetable Tempura
Koisan's Famous Bento Box
Served w/ salad, rice, miso soup, and California roll 4 pc. Upgrade brown rice $1, Chicken breast $2, Upgrade spicy tuna roll, or 5 pc Crunch roll for $2
Lcs Koisan Bento
$20.99
Daily fresh Sashimi 6pc, chicken (or New York Steak) and mixed Tempura
Noodles
Add 4pc California roll, 4 pc spicy tuna roll, or 5 pc Crunch roll for $2
Chicken Udon
$12.99
Rib Eye Shabu Shabu Udon
$13.99
Shrimp and Vegetable Tempura Udon
$14.99
Cold Mori Soba
$10.99
Chilled buckwheat noodles w/ somen dipping sauce
Featured Items
Tuna
Seared Tuna
Salmon
Lemon Pepper Salmon
Yellowtail
Albacore
Garlic Albacore
Mackerel
Shrimp
Octopus
Squid
Sweet Egg
Smelt Egg
Fresh Water Eel
Sea Eel
Surf Clam
Scallop
Salmon Special
Amber Jack
Blue Fin Fatty Tuna
Blue Fin Tuna
Fatty Yellowtail
Flying Fish Egg
Seabream
Fatty Seabream
Halibut
Jumbo Scallop
Seabass
Salmon Egg
King Crab
Snow Crab
Spanish Mackerel
Sea Urchin
Sweet Shrimp
House Premium Sake / Jizake
20 Sweet, + 20 Dry (Nihonshu-Do)
Premium House Hot Sake
Small$5.99
Large$9.99
Hakusuru Draft Sake
Junmai Namachozo Sake meter value: +4. Light, refreshing sake, and easy to drink
300ml$12.99
Sho Chiku Bai Premium Ginjo
Junmai Ginjo Sake meter value: +5. Clean and grassy aroma with vanila, nectarin and fruity flavors
300ml$20.99
Hakusuru Superior
Junmai GinjoSake meter value: +3. Smooth and floral aroma by one of the famous sake breweries in Japan
300ml$18.99
Kisakura Piano
Sparkling Sake Sake meter value: +5. A natural sparkling sake. Fruity aroma of pears
300ml$14.99
Kikusui
Junmai Ginjo Sake meter value: +1. Hint of sweet and sour fruits from exquisitely white Gohyakumangoku rice
300ml$21.99
720ml$51.99
Kurosawa
Junmai Ginjo Sake meter value: +2. Superior natural Kimoto flavor, full-bodied and earthy, yet light. Ideal for sake lovers
300ml$21.99
Homare Junmai Yuzu
Yuzu fruit infused Sake. Yuzu is a citrus fruit from Japan
300ml$19.99
Otokoyama
Junmai Ginjo Sake meter value: +10
300ml$25.99
Mizubasho
Sake meter value: +4. Ginjo. Aroma of spice pear, cantaloupe, hint of honey nut Junmai Daiginjo
300ml$29.99
500ml$79.99
Mu
Junmai Daiginjo Sake meter value: +1. Brilliantly aromatic, complex flavor, and fruity
300ml$39.99
720ml$79.99
Kubota Senju
Honjyozo Sake meter value: +6. Crisp flavor, elegant aroma, and Honjozu sake. Natural alcohol is added
300ml$25.99
720ml$59.99
Kubota Manju
Junmai Daiginjo Sake meter value: +2. Flagship of the Nilgata style. Exquisitely smooth with a resonant of flavor
300ml$149.99
Wakatake Onikoroshi
Junmai Daiginjo Sake meter value: +3. Silky texture, slight sweetness, elegant fruity aroma, rich, and very clean
300ml$45.99
720ml$119.99
Okunomatsu
Daiginjo Shizukuzake Juhachidai Ihei ake meter value: +3. The best of okunomatzsu sakes from over 290 years. Mellow ginjo aroma and a soft and smooth finish
Quail Egg Wrapped with Shrimp - Deep fried to perfection w/ Lemon Juice and Himalayan Pink Salt
Shrimp Shumai (Steamed or Pan Fried)
$6.99
"Dim sum" style Japanese dumplings. Shrimp and mixed vegetable filling. Steamed or Pan Fried. Please specify
Broiled Mussel on Half Shell (Baked Green Mussels)
$7.99
Broiled green mussels with house lobster motoyaki sauce baked in with kanikama crab meat, w/ spicy mayo and eel sauce
Jalapeno Bomb
$6.99
Lightly fried jalapeno shell with cream cheese, spicy tuna, and crab meat
Fresh Premium Kumamoto Oysters on Half Shell (2pcs)
$10.00
Sourced from Oakland, WA. Fresh, premium top grade AAA Kumamoto Oysters. Served raw on half shell, with fresh kizami wasabi and house made spicy ponzu sauce. Takeout will be served on an ice bed to preserve freshness
Shrimp & Vegetable Tempura
$7.99
Deep fried 1pc shrimp and 5pc seasonal vegetables fried to perfection in our light house-made tempura batter. Served with tempura sauce
Popcorn Shrimp
$6.99
Battered mini-shrimps, fried to perfection
Baked Scallop Motoyaki (White / Enoki Mushrooms)
$13.99
[Must Try] Baked bay scallops on a bed of mushrooms (White or Enoki Mushrooms, please specify) with our creamy lobster garlic butter motoyaki sauce. A famous Koisan tradition
Calamari Rings
$8.99
Light Panko Battered Calamari Squid Rings. Deep fried to perfection
Jumbo Soft Shell Crab Plate
$12.99
One, battered in-house, panko battered jumbo sized soft shell crab. Deep fried to perfection and served w/ ponzu sauce
Fish and Vegetable Tempura
$11.99
Deep fried 1pc white-fish of the day, and 5pc seasonal vegetables fried to perfection in our light house-made tempura batter. Served with tempura sauce
Appetizer Mountain
Mountain - (Land Animals / Plant based Appetizers)
Japanese Style deep fried mozzarella cheese in light tempura batter. Served with ponzu sauce
Soy Marinated Tender Pork
$8.99
House marinated tender pork with shichimi powder and miso reduction dressing
Filet Mignon Carpaccio
$17.99
[Must Try] Sashimi style - Seared filet mignon beef, served rare. Marinated with garlic ponzu sauce and finely grated premium seaweed
Chicken Karage
$7.99
Japanese style soy-battered chicken
Izakaya
Izakaya - also known as "pub food". These appetizers are specifically designed to compliment alcohol. Our izakaya is specialty appetizers representing our restaurant
Tacoyaki
$6.99
Octopus Pancake shaped into a ball. Lightly deep fried, served with house secret sauce and sweet tangy katsu sauce with bonito
Pork Yakitori w/ Zucchini
$7.99
Skewered grilled pork loin and zucchini, grilled well done on an open flame grill. Served with yakitori sauce
Chicken Yakitori Sampler
$7.99
Skewered grilled chicken thigh with seasonal vegetables, grilled well done on an open flame grill. Served with yakitori sauce
Fried Mussels (Or Oysters)
$7.99
Deep fried mussels or oysters - breaded in house with premium panko flakes. Please specify protein choice
Crispy Rice w/ Spicy Tuna
$10.99
[Popular] Marinated Spicy Tuna on a bed of ginger-crispy rice. Garnished with avocado, crispy onions, and jalapenos on top
Sashimi Sampler
$16.99
Daily fresh assorted Sashimi. Eight half pieces are served - chef's choice. Requests are not fulfilled with our samplers; and cuts will vary par available cuts
Ankimo (Monk Fish Liver) w/ Ponzu
$16.99
A famous Japanese delicacy. Ankimo, or monk fish liver is only enjoyed by the most seasoned sushi diners. Ankimo has a velvety rich texture with a natural sweet aftertaste. Served on a bed of cucumbers with our house ponzu marinade and red sauces. Garnished with finely grated seaweed. A recommendation from us if you aren't afraid of trying something new
Hawaiian Poke Salad (Tuna or Albacore)
$15.99
[House Favorite] Diced fresh Ahi Tuna/Seared Albacore on a bed of spring mix. Served fresh with our house poke sauce blend
Garlic Pepper Seared Albacore Tataki (Or Tuna)
$16.99
[Popular!] Torched seared Albacore (or ahi tuna) with garlic chips and garlic ponzu marinade. Served with Ken's Japanese salad. Please specify protein
Lemon Pepper Seared Salmon Carpaccio
$16.99
[Popular!] Torched seared Scottish salmon with lemon pepper, lemon and citrus ponzu marinade. Served with Ken's Japanese salad
Yellowtail (or Halibut) Carpaccio
$17.99
[Popular!] Raw Yellowtail (or Halibut) carpaccio marinated with our ponzu based carpaccio sauce. Garnishes may vary depending on seasonality. Served with Ken's Japanese salad. Please specify protein
Grilled Miso Marinated Black Cod
$17.99
[A must try!] Marinated in-house with our miso-reduction. Delicately grilled on our open flame grill to preserve the delicate texture of the cod. A Koisan specialty
Grilled Yellowtail (or Salmon) Kama (Collar)
$14.99
Generously sized yellowtail (or Salmon) collar. Grilled delicately on our open flame grill, seasoned with black pepper and sea salt. Very juicy and tender cut of the fish. Subjected to limited availability
Uni on Jumbo Scallop (Under the Sea)
$21.99
[Special!] Fresh Santa Barbara Uni (sea urchin) presented on a bed of premium jumbo scallop. Garnished beautifully with pink salt, yuzu citrus, and black flying fish caviar (tobiko). Item subjected to availability
Salads
Fresh salads with a Japanese influence - our dressings are all homemade!
Cucumber Salad (Sunomono)
$6.99
Sliced fresh cucumber, carrot, and pickled cucumbers w/ our sweet and tart rice vinegar dressing
House Spring Mix Salad
$6.99
Our famous house salad. Topped with cucumber and tomatoes on a bed of fresh seasonal spring mix with iceberg lettuce. Served with crispy wontons and our famous ginger dressing
Seaweed Salad (Wakame Salad)
$6.99
Marinated and pickled seaweed seasoned with sesame oil, sesame seeds. Served on a bed of seasonal spring mix and iceberg lettuce
Avocado & Mango Salad
$8.99
Avocado and Mango topped on our bed of spring mix and iceberg lettuce. Served with our sweet miso reduction dressing
Organic Tofu Salad
$9.99
[Popular] Organic fresh firm tofu presented on our bed of spring mix and iceberg lettuce. Served with our famous ginger dressing
Salmon Skin Salad
$8.99
Crispy baked salmon skin topped with kaiware (radish sprouts) and gobo presented neatly on a bed of spring mix and iceberg lettuce. Served with our ponzu salad dressing
Spicy Tuna Salad
$10.99
[Popular] Ground Spicy Tuna and Tuna cubes topped with kaiware (radish sprouts) and gobo presented neatly on a bed of spring mix and iceberg lettuce. Served with our ponzu salad dressing
Asian Chicken Salad
$10.99
Grilled Teriyaki Chicken served on top of our spring mix and iceberg lettuce mix. Served with our famous ginger dressing
Blue Crab Salad
$11.99
Premium Blue Crab lump meat mixed in with our kanikamma (immitation crab) with spices; topped with kaiware (radish sprouts) and gobo presented neatly on a bed of spring mix and iceberg lettuce. Served with our ponzu salad dressing
Sashimi Salad
$15.99
[Popular] Daily chef's choice sashimi cubes topped with kaiware (radish sprouts) and gobo presented neatly on a bed of spring mix and iceberg lettuce. Served with our ponzu salad dressing
Seafood Mixed Salad
$18.99
[Must Try] Daily chef's choice sashimi cubes and seafood topped with kaiware (radish sprouts), sunflower seeds, broccoli and gobo presented neatly on a bed of spring mix and iceberg lettuce. Served with our spicy poke salad dressing. Chef's recommendation
Koisan Classic Items
Koisan has been serving the orange county metropolitan area for 40 years. Through our long history, we are gladly keeping our old recipes passing down from generations
Lettuce Rolls (Hand)
$7.99
[Must Try] Our house famous lettuce rolls have sushi shrimp, rice, and Koisan's famous secret sauce; a recipe being passed down from generations - wrapped in inceberg lettuce. Although simple, this is a Koisan favorite that many diners refuse to go without
Noriega Lettuce (Hand)
$8.99
[Get your Spice ON!] Our house famous Noriega lettuce rolls have sushi shrimp, rice, pickled jalapenos, spicy red sauce, and Koisan's famous secret sauce; a recipe being passed down from generations - wrapped in iceberg lettuce. Noriega - a fierce Japanese General - is our spicy twist on the lettuce roll
Crunch Lettuce (Hand)
$8.99
[Tempura] Crunch lettuce rolls have shrimp tempura, rice, and Koisan's famous secret sauce-wrapped in iceberg lettuce
Crunch Noriega Lettuce (Hand)
$9.99
[Fried and Spicy!] Crunch lettuce rolls have shrimp tempura, rice, pickled jalapenos, spicy red sauce, and Koisan's famous secret sauce-wrapped in iceberg lettuce
Himalayan Bream
$19.99
[Special!] The contrast between the high altitude pink salt from the Himalayans, and premium Sea Bream from the deep seas of Japan takes you on a trip with your taste buds. Premium Sea Bream Sashimi (4PC) topped with Himalayan pink salt, lemon zest, and black flying-fish caviar. (Tobiko)
Harasu Mangonis
$19.99
[Special] The delightful combination of ripe mango, savory salmon belly, with avocado. Salmon Belly Sashimi (4pc), with mango, and avocado - topped with our sweet and tangy miso reduction dressing
Cajun Tuna Carpaccio
$19.99
[Special!] Brining the cajun heat! Seared ahi tuna, topped with simmering cajun sauce, crispy onions, and simmered spinach
Nigiri Sushi - Regular Selection
All nigiri orders are 2pc
Tuna / Maguro Sushi
$5.99
Seared Tuna / Aburi Maguro Sushi
$6.99
Torched with our garlic seasoning and aburi sauce
Salmon / Sake Sushi
$5.49
Lemon Pepper Salmon / Aburi Sake Sushi
$6.49
Torched with our lemon pepper seasoning and aburi sauce
Yellowtail / Hamachi Sushi
$5.99
Albacore / Bincho Maguro Sushi
$5.49
Garlic Albacore / Aburi Bincho Maguro Sushi
$6.49
Torched with our garlic seasoning and aburi sauce
Mackerel / Shime Saba Sushi
$4.99
Cured Mackerel. For those lookin for fresh, please look for "Aji" or "Spanish Mackerel" under our premium selection
Shrimp / Ebi Sushi
$4.99
Plump sushi shrimp - cooked and marinated in house
Octopus / Tako Sushi
$5.49
Squid / Ika Sushi
$4.99
Sweet Egg / Tamago Sushi
$4.49
Made in house by our head chef. Proudly serving non-generic tamago, made with love
Smelt Roe / Masago Sushi
$4.99
Smelt roe. We also offer Tobiko - our premium variety of fish roe under our premium selection
Fresh Water Eel / Unagi Sushi
$5.99
Surf Clam / Hokigai Sushi
$4.99
Bay Scallop / Kaibashira Sushi
$4.99
Bay scallops. For those looking for jumbo (whole) scallops please look under our premium selection
Bean Curd / Inari Sushi
$3.99
Crab Stick / Kani Kama - Sushi
$3.99
Imitation Crab stick. For those looking for snow or king crab options, please look in our premium selections
Nigiri Sushi - Premium Selection
All nigiri orders are 2pc
Salmon Special Sushi
$6.99
[Must Try!] Salmon, a mini lemon slice, diced white onions, and avocado with our house ponzu sauce
Fatty Salmon Belly w/ Ponzu - Toro Sake
$6.99
The best cut of the salmon! Served with house made citrus ponzu and yuzukosho
Amberjack / Kanpachi Sushi
$6.99
[Chef's Choice] Amberjack is a fish within the same family as yellowtail. The flesh has a fine texture, and has a rich - yet refreshing taste that many diners love
Bluefin Fatty Tuna Belly / Toro Sushi
$22.99
[Must Try] The best cut of tuna, period. Feel the tuna melt like butter
Bluefin Tuna (Lean) / Hon Maguro Sushi
$12.99
[Popular!] The finest tuna in the world. We handle our bluefin tuna fresh. Savor the natural flavors coming from real, exceptional tuna
Fatty Yellowtail Belly / Toro Hamachi Sushi
$7.99
[Popular!] A cut many diners refuse to go without. Yellowtail belly tends to be less iron-y and cleaner tasting than our lean cut
Flying Fish Roe / Tobiko Sushi
$6.49
The jewels of the sea. Our upgraded version of masago. See the bright contrast of colors between the different types of tobiko!
Sea Bream / Tai Sushi
$7.99
[Popular!] Premium grade seabream from the sea of Japan. Chef's recommendation
Fatty Black Seabream / Guro Tai Sushi
$7.49
[Special!] A niche cut not found at your average sushi resturant! Enjoy the complex flavors of our premium black seabream!
Halibut / Hirame Sushi
$7.99
[Chef's Choice] Halibut, also known as Olive Flounder, is known for it's interesting chewy texture and clean taste
Sea Water Eel / Anago Sushi
$6.99
Anago - also known as sea water eel, is more lean compared to Unagi. Has a complex, smoky flavor
Jumbo Scallop / Hotate Sushi
$7.99
[Popular!] Fine sushi/sashimi grade jumbo scallops. Torched lightly for flavor
Seabass / Suzuki Sushi
$7.49
[Chef's Choice] Seabass is known for it's intricate and defined flavor
Salmon Roe / Ikura Sushi
$7.99
A savory delicacy with an interesting texture. Experience the ocean pop in your mouth!
King Crab / Tabara Kani Sushi
$39.99
The finest crab on earth
Snow Crab / Dai Kani Sushi
$11.99
Sweet and mild taste, with a delicate texture
Spanish Mackerel / Aji Sushi
$9.49
[Must Try] Fresh Spanish Mackerel - Served with freshly grated ginger. Complex, deep, rich taste
Sea Urchin / Uni Sushi
$15.99
[Special!] The jewels of the sea. Buttery texture, complex deep taste, and the beautiful orange color are the characteristics of our 'A' grade Santa Barbara sea urchin. Subjected to availability
Sweet Shrimp / Ama Ebi Sushi
$13.99
[Popular!] Premium Grade sweet shrimp, served raw with deep fried heads. Topped with tobiko and served with our ponzu sauce
Cherry Salmon / Sakura Masu Sushi
$7.99
[Chef's Special] Our cherry salmon is contrasted from our Scottish Salmon to taste more complex and defined. The flesh of cherry salmon is more flavorful, but is leaner in fat content. As it is still familiar but starkly different from salmon, it is a must try for all sushi lovers
Dill Salmon Sushi
$8.49
[Special!] Our Scottish salmon marinated in dill weed, served with white onions and our house citrus ponzu sauce
Cajun Tuna w/ Spinach Sushi
$9.49
[Special!] Brining the Cajun heat! Seared ahi tuna, topped with simmering Cajun sauce, crispy onions, and simmered spinach
Sashimi - Regular Selection
All sashimi orders are 4pc
Tuna / Maguro Sashimi
$12.99
Seared Tuna / Aburi Maguro Sashimi
$14.99
Torched with our garlic seasoning and aburi sauce
Salmon / Sake Sashimi
$11.99
Lemon Pepper Salmon / Aburi Sake Sashimi
$13.99
Torched with our lemon pepper seasoning and aburi sauce
Yellowtail / Hamachi Sashimi
$12.99
Albacore / Bincho Maguro Sashimi
$11.99
Garlic Albacore / Aburi Bincho Maguro Sashimi
$13.99
Torched with our garlic seasoning and aburi sauce
Mackerel / Shime Saba Sashimi
$10.99
Cured Mackerel. For those lookin for fresh, please look for "Aji" or "Spanish Mackerel" under our premium selection
Shrimp / Ebi Sashimi
$10.99
Plump sushi shrimp - cooked and marinated in house
Octopus / Tako Sashimi
$11.99
Squid / Ika Sashimi
$10.99
Sweet Egg / Tamago Sushi
$9.99
Made in house by our head chef. Proudly serving non-generic tamago, made with love
Smelt Roe / Masago Sashimi
$10.99
Smelt roe. We also offer Tobiko - our premium variety of fish roe under our premium selection
Fresh Water Eel / Unagi Sashimi
$12.99
Surf Clam / Hokigai Sashimi
$10.99
Bay Scallop / Kaibashira Sashimi
$10.99
Bay scallops. For those looking for jumbo (whole) scallops please look under our premium selection
Crab Stick / Kani Kama Sashimi
$8.99
Imitation Crab stick. For those looking for snow or king crab options, please look in our premium selections
Sashimi - Premium Selection
All Sashimi orders are 4pc
Salmon Special Sashimi
$14.99
[Must Try!] Salmon, a mini lemon slice, diced white onions, and avocado with our house ponzu sauce
Fatty Salmon Belly w/ Ponzu - Toro Sake Sashmi
$14.99
The best cut of the salmon! Served with house made citrus ponzu and yuzukosho
Amberjack / Kanpachi Sashimi
$14.99
[Chef's Choice] Amberjack is a fish within the same family as yellowtail. The flesh has a fine texture, and has a rich - yet refreshing taste that many diners love
Bluefin Fatty Tuna Belly / Toro Sashimi
$46.99
[Must Try] The best cut of tuna, period. Feel the tuna melt like butter
Bluefin Tuna (Lean) / Hon Maguro Sashimi
$26.99
[Popular!] The finest tuna in the world. We handle our bluefin tuna fresh. Savor the natural flavors coming from real, exceptional tuna
Fatty Yellowtail Belly / Toro Hamachi Sashimi
$16.99
[Popular!] A cut many diners refuse to go without. Yellowtail belly tends to be less iron-y and cleaner tasting than our lean cut
Flying Fish Roe / Tobiko Sashimi
$13.99
The jewels of the sea. Our upgraded version of masago. See the bright contrast of colors between the different types of tobiko! Served as 2pc on crowned cucumber
Sea Bream / Tai Sashmi
$16.99
[Popular!] Premium grade seabream from the sea of Japan. Chef's recommendation
Fatty Black Seabream / Guro Tai Sashimi
$15.99
[Special!] A niche cut not found at your average sushi restaurant! Enjoy the complex and rich flavors of our premium black seabream!
Halibut / Hirame Sashimi
$16.99
[Chef's Choice] Halibut, also known as Olive Flounder, is known for it's interesting chewy texture and clean taste
Sea Water Eel / Anago Sashimi
$14.99
Anago - also known as sea water eel, is more lean compared to Unagi. Has a complex, smoky flavor
Jumbo Scallop / Hotate Sashimi
$16.99
[Popular!] Fine sushi/sashimi grade jumbo scallops. Torched lightly for flavor
Seabass / Suzuki Sashimi
$15.99
[Chef's Choice] Seabass is known for it's intricate and defined flavor
Salmon Roe / Ikura Sashimi
$16.99
A savory delicacy with an interesting texture. Experience the ocean pop in your mouth! Served as 2PC on crowned cucumber
King Crab / Tabara Kani Sashimi
$81.99
The finest crab on earth
Snow Crab / Dai Kani Sashimi
$24.99
Sweet and mild taste, with a delicate texture
Spanish Mackerel / Aji Sashimi
$19.99
[Must Try] Fresh Spanish Mackerel - Served with freshly grated ginger. Complex, deep, rich taste
Sea Urchin / Uni Sashimi
$32.99
[Special!] The jewels of the sea. Buttery texture, complex deep taste, and the beautiful orange color are the characteristics of our 'A' grade Santa Barbara sea urchin. Subjected to availability
Sweet Shrimp / Ama Ebi Sashimi
$28.99
[Popular!] Premium Grade sweet shrimp, served raw with deep fried heads. Topped with tobiko and served with our ponzu sauce
Cherry Salmon / Sakura Masu Sashimi
$16.99
[Chef's Special] Our cherry salmon is contrasted from our Scottish Salmon to taste more complex and defined. The flesh of cherry salmon is more flavorful, but is leaner in fat content. As it is still familiar but starkly different from salmon, it is a must try for all sushi lovers
Dill Salmon Sashimi
$17.99
[Special!] Our Scottish salmon marinated in dill weed, served with white onions and our house citrus ponzu sauce
Cajun Tuna w/ Spinach Sashimi
$20.99
[Special!] Brining the Cajun heat! Seared ahi tuna, topped with simmering Cajun sauce, crispy onions, and simmered spinach
Regular Rolls - Hand
Hand rolls are personal sized individual rolls - wrapped in a cone shape
California Hand Roll
$5.99
In: Crabmeat, cucumber, avocado
Cucumber Hand Roll
$5.49
In: Cucumber
Avocado Hand Roll
$5.49
In: Avocado
Vegetable Hand Roll
$6.49
Inside: Spring mix, gobo, kaiware (radish sprouts), avocado, cucumber
Panko Breaded and deep fried chicken, pork, or fish served with house made katsu sauce. Served with rice, soup, and salad
Tofu Teriyaki
$14.99
Fried and Grilled Tofu Steak with Teriyaki Glaze
Dinner Combination from Kitchen and Grill
Your choice of protein served with mixed tempura, 4pc roll option, rice, soup, and salad
Chicken Teriyaki Bento Box
Grilled Chicken with our house made teriyaki sauce. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
4pc California Roll$16.99
4pc Spicy Tuna Roll$18.99
5pc Crunch Roll$18.99
New York Steak Teriyaki Bento Box
Grilled New York Steak with our house made teriyaki sauce. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
4pc California Roll$18.99
4pc Spicy Tuna Roll$20.99
5pc Crunch Roll$20.99
Salmon Teriyaki Bento Box
Grilled Salmon Steak with our house made teriyaki sauce. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
4pc California Roll$18.99
4pc Spicy Tuna Roll$20.99
5pc Crunch Roll$20.99
Chashu Miso Pork Bento Box
$18.99
Grilled Chashu Pork with our Miso Reduction Dressing. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
Sashimi Bento Box
$19.99
6PC Chef's Choice Sashimi. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
Chicken, Pork, or Fish Katsu Bento Box
Panko breaded deep fried chicken, pork loin, or white fish with our house made katsu sauce. Served with mixed tempura, 4pc roll choice, rice, soup, and salad
4pc California Roll$19.99
4pc Spicy Tuna Roll$21.99
5pc Crunch Roll$21.99
Tofu Teriyaki Bento
$17.99
Fried and Grilled Tofu Steak with Teriyaki Glaze
Chicken or New York Steak Koisan Famous Bento Box
Chicken or New York Steak & 6PC Chef's choice Sashimi; served with mixed tempura, 4pc roll choice, rice, soup, and salad
4pc California Roll$22.99
4pc Spicy Tuna Roll$24.99
5pc Crunch Roll$24.99
Koisan Signature Dish
Our Signature Entrees from the Kitchen. All Signature Dishes served with Rice, Salad, and Miso Soup
Baked Lobster tail, shrimp, bay scallops, and seasonal vegetables in our creamy garlic butter motoyaki sauce.
Miso Alaskan Black Cod Entree
$22.99
[Popular!] Marinated fresh black cod in our house made miso reduction dressing. A perfect balance of sweet, tang, and savor combined with the very delicate texture of our premium black cod
[Staff's Pick] Shrimp, bay scallops, and green mussels stir-fried with our Japanese Udon Noodles in our spicy cajun butter sauce
Chicken or Beef Sukiyaki
$19.99
Japanese style stew in soy broth with napa cabbage, tofu, glass noodles, assorted vegetables, and protein choice. Similar to shabu-shabu, but in stew form
Dinner Noodle Specials
Our signature noodle dishes from our kitchen
Chicken Udon Noodle Soup
$14.99
Thick udon noodles with a delicate tsuyu kake broth. Broth simmered with chicken and topped with tempura flakes, shichimi, and kamaboko fishcake
Rib Eye Shabu Shabu Udon Soup
$15.99
Thick udon noodles with a delicate tsuyu kake broth. Broth simmered with ribeye beef slices and topped with tempura flakes, shichimi, and kamaboko fishcake
Shrimp and Vegetable Tempura Udon
$16.99
[Popular!] Thick udon noodles with a delicate tsuyu kake broth. Simmered broth topped with tempura flakes, shichimi, and kamaboko fishcake. Served with tempura portion on the side - recommended to dip tempura in broth. Tempura sauce not included
Nabeyaki Seafood Udon Soup
$17.99
[Staff's Pick!] Fresh seafood topped on umami-dashi broth. Famous signature Nabeyaki dish, cooked with tradition in mind by using earth ware pots to simmer
Ice cream covered in glutenous Japanese rice cake. Served with 2 pieces per order. Served with seasonal berries. Mochi Ice Cream Flavor: Strawberry, Mango, Green Tea, Chocolate, Vanilla, Plum Wine, Black Sesame, Red Bean, Coffee
Banana Tempura Ice Cream
$5.99
Banana tempura and choice of japanese ice cream. "Proudly serving Maeda-en". Served with seasonal berries. "Maeda-en" Ice Cream Flavor: Vanilla, "Maeda-en" Green Tea, "Maeda-en" Mango Sherbet (Contains Dairy), "Maeda-en" Chocolate
Tempura Ice Cream
$5.99
Ice cream covered in pound cake lightly fried in flaky tempura batter. Proudly serving "Maeda-en". Served with seasonal berries. "Maeda-en" Ice Cream Flavor: Vanilla, "Maeda-en" Green Tea, "Maeda-en" Mango Sherbet (Contains Dairy), "Maeda-en" Chocolate
Brownie with Cheese Cake Swirl
$6.99
Fudge brownie with cheesecake swirl. Served with Vanilla ice cream
Green Tea Cheesecake w/ Ice Cream
$6.99
[Favorite!] Green Tea Matcha flavored cheesecake with "Maeda-en" green tea ice cream
Side Orders
Steamed Rice
$3.00
Miso Soup
$3.00
House Made miso soup, with tofu, green onions, and kombu
Fresh Wasabi
$3.00
Fresh Kizami wasabi, (1 oz)
Shrimp Tempura (1pc)
$2.50
Premium jumbo shrimp fried in tempura batter
Non-Alcoholic Beverages
Coke
$3.49
Diet Coke
$3.49
Sprite
$3.49
Lemonade
$3.49
Strawberry Lemonade
$4.99
Mango Lemonade
$4.99
Green Tea Matcha Lemonade
$4.99
Pepsi
Can$3.49
Dr. Pepper
Can$3.49
Japanese Ramune
Marble Top Japanese Import Soda
Bottled$3.99
Gold Peak Iced Tea
$3.49
Iced Matcha Green Tea
$3.49
Arnold Palmer
$4.99
Sherly Temple
$4.99
Martinelli Apple Juice
Bottled$3.49
Tropicana Orange Juice
Bottled$3.49
Perrier Sparkling Water
Bottled$3.99
Evian Still
Bottled$3.99
Fiji Still
Bottled$4.99
Voss Still
Bottled$4.99
Alcoholic Beverages - Beer
21+, Id Will Be Checked for (all) Pickup Orders - Delivery Will Not Be Fulfilled - No Exceptions!
Sapporo
Small$5.99
Large$8.99
Asahi
Asahi Super Dry
Small$5.99
Large$8.99
Kirin Ichiban
Small$5.99
Large$8.99
Kirin Light
Small$5.99
Large$8.99
[Imported] Asahi Black
Dark Beer from Asahi - Imported from Japan
Small$8.99
[Imported] Orion
Orion Beer from Okinawa - Imported from Okinawa, Japan. Dare we say, the best beer in the world?
Large$10.99
Sapporo Black
Sapporo Black! Dark beer from the infamous Sapporo brewery. Malty, bold and complex undertones present that is reminiscent of black coffee and dark chocolate
Large (22oz)$10.99
Alcoholic Beverages - Bottled Sake
21+, Id Will Be Checked for (all) Pickup Orders - Delivery Will Not Be Fulfilled - No Exceptions!
Dassai 45
Junmai Daiginjo - Clean, soft and very subtle, the balanced aromas and a mild sweetness (+3)
300ml$24.99
Sho Chiku Bai Premium Ginjo
Junmai Ginjo - Clean and grassy aroma with vanilla, nectarine, and fruity aromas (+5)
300ml$20.99
Hakusuru Superior
Junmai Ginjo - Smooth and floral aroma by one of the famous sake breweries in Japan (+3)
300ml$18.99
Kisakura Piano
Sparking Ginjo Sake - A natural sparkling sake, easy aroma of pears with a crisp tang of carbonation (+5)
300ml$14.99
Kikusui
Junmai Ginjo - Hint of sweet and sour fruits from exquisitely white Gohyakumangoku rice, translates to "flower water". Good Starter Sake. (+1)
300ml$21.99
Large (720ml)$51.99
Kurosawa
Junmai Ginjo - Superior natural Kimoto flavor, full-bodied and earthy, yet light. (+2)
300ml$21.99
Homare Aladdin Yuzu
Junmai - Flavored sake made from Junmai sake and yuzu grapefruit juice in a unique bottle. The citrus aroma is refreshing and has a lovely sweet and sour taste. (-72)
300ml$19.99
Otokoyama
Junmai Ginjo - This Tokubetsu Junmai has an earthy yet sweet aromatic nose that borders on ripe fruit. The strength in this Junmai rests in it unmistakable dryness and working acidity play. Translates to "Man's Mountain". (+10)
300ml$25.99
Mizubasho
Junmai Ginjo - Aroma of spice pear, cantaloupe, hit of honey nut (+4)
300ml$29.99
Large (500ml)$79.99
Mu
Junmai Daiginjo - Brilliantly Aromatic, complex & fruity flavor. Very balanced, still, yet sophisticated. Great starter sake. (+1)
300ml$39.99
Large (720ml)$79.99
Kubota Senju
Honjyozo Ginjo - Crisp flavor, elegant aroma, and honjozu sake. Alcohol is naturally added. Translated to "1000 long lives" or "1000 dreams". (+6)
300ml$25.99
Large (720ml)$59.99
Kubota Manju
Junmai Daiginjo - Flagship of the nilgata style. Exquisitely smooth, elegant, rich, fruity aroma. Clean finish. (+2)
Large (720ml)$149.99
Watatake Onikoroshi
Junmai Daiginjo - Silky texture, slight sweetness, elegant, rich, complex semi-fruity aromas. Award winning Sake. Translates to "Demon Slayer" (+3)
300ml$45.99
Large (720ml)$119.99
Okunomatsu - Shizukuzake Juhachidai Ihei
Junmai Daiginjo - With a history of nearing 300 years, Okonomatsu is one of the finest sake money can buy. An overall delicate flavor with fine lines of fruity lightness spreading nicely across the tongue in crisp waves, accented by a balanced fragrance. The recesses of flavor are clear and sharply defined. Gold Medalist - Rated "Exceptional". Only select quantities are available. (+5)
L (720ml)$349.99
Sho Chiku Bai Nigori
Junmai Unfiltered (-20)
375ml$14.99
Sayuri
Junmai Unfiltered - (-10)
300ml$18.99
Saketini! - Orange, Strawberry, Cherry-Apple
[A Koisan Exclusive!] Our Japanese twist on a crisp martini. Get your drink on with our refreshing SakeTINIs! Recipes were developed in house with weeks worth of consideration. Shaken with local Ozeki Sake from Hollister, CA - with our delightful cocktail recipe. Saketinis are more on the sweeter spectrum, but not excessively sweet. Be warned, they are very easy to drink! Saketini: Orange Sunset (Orange), Geisha's Ruby (Strawberry), Sakura Blossom (Cherry-Apple), 1982 Sour (Mango-Lemon)
16oz (475ml)$29.99
Alcoholic Beverages - Bottled Wine
21+, Id Will Be Checked for (all) Pickup Orders - Delivery Will Not Be Fulfilled - No Exceptions!
"Bistro" Chardonnay, California
$29.99
"La Crema" Chardonnay (2020) Sonoma Coast
$49.99
Grown in cold temperatures
Cabernet Sauvignon - "Woodbridge" California
$29.99
Cabernet Sauvignon - "Robert Mondavi Estates" California
$39.99
from award winning and reputable Robert Mondavi Estates
Merlot - "Woodbridge" California
$29.99
Merlot - "Robert Mondavi Estates" California
$39.99
from award winning and reputable Robert Mondavi Estates
"Takara" Plum Wine
$29.99
Plum aroma infused with white wine base. From award-winning Takara brand brewery. Sweet, strong plum aroma. Suited as dessert wine