H2O Sushi & Izakaya was founded on the basis of the most important aspect of hospitality, a sincere passion to serve. The company seeks to reflect the core beliefs of high standards through the use of the finest ingredients and impeccable service. In constant pursuit of excellence, the H2O Sushi & Izakaya strives to achieve and maintain a distinction in Japanese cuisine through modernization of dishes with traditional principles.


Our vision resides in the pursuit to ensure the utmost guest satisfaction. Through the contemporary décor and comforting atmosphere, we dedicate ourselves in providing a dining experience that is unparalleled in its kind. Without compromise of quality, we continuously seek to offer the highest value in an Asian-inspired menu of food and drink alike.






Address: 1870 Harbor Blvd #100, Costa Mesa, CA 92627 / Phone: (949)515-7400

Open Hour
Mon-Wed 11:30am-11:00pm / Thu-Fri 11:30am-12:00am midnight
Sat 12:00pm-12:00am midnight / Sun 12:00pm-11:00pm

Happy hours: Everyday 3:00 pm-6:30 pm
Reverse Happy Hour: Everyday 9:00 pm – Close
All Day Happy hour Thursday
Premium All you Can Eat All Day Everyday
(Costa Mesa Location only)



Address: 9301 Tampa Ave #144, Northridge, CA 91324 / Phone: (818)700-8300

Open Hour
Mon-Sat 11:00am-12:00am midnight / Sun 12:00pm-11:00pm

Happy Hour: Mon-Sat 3:00pm-6:00pm
Reverse Happy Hour: Everyday 9:00pm-Close