Koisan Sushi Bar 1132 East Katella Avenue a11-12

Koisan Sushi is a Japanese restaurant that has offered creative, fresh, and authentic Japanese cuisine at the heart of orange since 1982. Illuminated by Japanese style lanterns and the walls adorned with specialized craftsman woodwork, Koisan is a time machine to ancient Japan. Koisan's dining experience can be approached one of two ways. Diners can request the dining room where the kitchen menus such as the Seafood Tokyo Udon Pasta, or the or Miso Black Cod Entree; or request the sushi bar to order sushi and sashimi such as Toro (Bluefin Tuna Belly) or Tai (Sea Bream) a la carte with the help of our skilled chef Ken.