Nichinan is a contemporary Japanese restaurant serving elevated small plates and sushi in the heart of downtown Portsmouth, New Hampshire. Nestled inside of charming boutique hotel, Hotel Thaxter, Nichinan is a finer dining experience that focuses on quality ingredients and exquisite preparation. Focusing on simple yet mouthwatering flavors, the Nichinan team prepares each dish with the utmost precision and care. In addition to serving beautiful dishes, Nichinan also offers artful cocktails and mocktails that are thoughtfully designed to complement the menu. Known for its sushi offerings, Nichinan also offers a wide variety of food for non-sushi lovers as well. With a hip vibe and upscale ambiance, Nichinan is Portsmouth’s new hot date night destination! 


Nichinan is named after one of Portsmouth’s sister cities in Myazaki Prefecture, Japan! What a fun, international connection! 


Sunday: 5 – 9PM
MondayThursday: 5 – 9:30PM
Friday and Saturday: 5 – 10PM

Reservations are encouraged and are available online at or by calling 603.956.3036.