Japanese restaurant menu featuring omakase options with dishes like Luxury Chirashi Don, 9 PC Nigiri Omakase, and 14 PC Sashimi Omakase, accompanied by house salad and miso soup.

Our Table Omakase

Full Omakase Available At Table and Sushi Bar - $MP

Our Menu

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Menu featuring two ramen dishes: Spicy Chicken Miso and Chashu Tonkotsu, with descriptions and prices.
Lunch ramen combo menu featuring spicy chicken miso and chashu tonkotsu options with various sushi rolls such as California, spicy tuna, and shrimp tempura crunch roll.
Restaurant menu featuring lunch bento boxes and entrees, including items like chicken teriyaki bento, beef teriyaki bento, and sashimi bento, with prices ranging from $13 to $20. Options for upgrades and additions are listed, such as brown rice and s
Happy Hour flyer for Koisan Sushi Bar featuring a special offer: buy one premium bottled sake, get one 50% off. Valid daily from 5 PM to 9 PM, excluding national holidays.
Promotional flyer for Koisan Sushi Bar offering takeout specials. Includes drinks menu with Japanese beer and saketini, an appetizer menu with items like edamame and shrimp tempura, and a BOGO 50% off offer on sushi rolls. Located at 1132 E. Katella
Happy Hour menu at Koisan Sushi Bar featuring drinks, appetizers, and rolls. Offers include Japanese beer and sake specials, buy one get one 50% off on premium sake and rolls. Appetizers listed are steamed edamame, shrimp shumai, and bonta. Kumamoto