PRIVATE DINING

Whether you’re gathering a few friends or planning something big, Nichinan is the place to celebrate. Our private dining spaces pair bold flavors with warm hospitality, creating memorable experiences right in the center of Portsmouth.

Parlor Room

  • Seated Dinner Capacity: Up to 14 guests (banquet-style table)

  • Cocktail Reception Capacity: Up to 25 guests (tray-passed hors d’oeuvres or minimal tables with banquet setup)

  • Food & Beverage Minimum: $2,000

This cozy and elegant room is perfect for business dinners, rehearsal dinners, family celebrations, and other intimate gatherings.

Full Restaurant Buy-Out

  • Cocktail Reception Capacity: Up to 49 guests

  • Food & Beverage Minimum: $5,000 (weekday) / $10,000 (weekend)

  • Includes option to incorporate the Parlor Room into your event

  • Floor plan can be customized per your preferences

Ideal for weddings, milestone celebrations, and large corporate events, a buy-out gives you full access to the dining room, bar, staff, and flexibility to design your event your way.

Menus & Enhancements

Every event is unique, and we’ll work with you to create a dining experience that fits your vision.

  • Sit down with our chef to determine menu preferences and per-person pricing

  • Off-menu options available with final menu approval

  • Optional sake pairings or guided sake tastings

  • Create a signature cocktail to personalize your celebration

Other Event Options

If we are not able to accommodate your event, we encourage you to check out our sister location, The 801, JGroup’s dedicated event space in Portsmouth’s West End. The 801 offers flexible layouts and capacities that may be a perfect fit for your celebration.

Inquiry Form

We’d love to help make your event unforgettable. Please fill out the form below or reach out directly to our events team. Once we have your details, we’ll follow up with availability, pricing, and a personalized proposal.