About Us
Koisan Sushi Bar and Japanese Cuisine, located in Orange, California, offers an unparalleled dining experience that showcases the rich flavors and traditions of Japan. This upscale eatery has gained a loyal following among locals and visitors alike, who appreciate the high-quality ingredients and exceptional service. At Koisan, the focus is on excellence, with a commitment to using only the freshest sushi-grade fish and the finest seasonal ingredients.
The menu at Koisan Sushi Bar features a diverse range of dishes, including sushi, sashimi, tempura, and hot entrees. Standout options include the signature Koisan Roll, a delicate blend of spicy tuna, crab, and avocado, as well as the mouth-watering Teriyaki Chicken and Beef, marinated in a sweet and savory sauce. For those seeking a more traditional Japanese experience, the restaurant offers a range of classic dishes, such as Tonkatsu and Udon noodles.
In addition to its exceptional cuisine, Koisan Sushi Bar also offers a range of official dining services, including takeout and online ordering. For special occasions, the restaurant provides private dining rooms and catering services, ensuring that every event is a memorable one. The facilities at Koisan are sleek and modern, with a chic décor and attentive staff. Whether dining in or taking out, customers can expect a consistently high-quality experience that will leave them eager to return. Koisan Sushi Bar is open seven days a week, from 11:30 AM to 10:00 PM, Monday through Thursday, and from 11:30 AM to 10:30 PM, Friday through Sunday.