New Hampshire Events & Conferences at our Historic Portsmouth Hotel

VfJhysbxHeI.jpgWith 10,000 square feet of technology-rich function space and an oceanfront address just an hour from Boston, Wentworth by the Sea, a Marriott Hotel & Spa, offers an unrivaled backdrop for New Hampshire events. The Wentworth has attracted prominent conferences, meetings and dignitaries to our seacoast hotel since its inception, including delegates of the historic Russo-Japanese Peace Treaty talks of 1905, mediated by Theodore Roosevelt.

Our versatile Portsmouth meeting venues include three elegant ballrooms as well as more intimate spaces for executive meetings and brainstorming sessions. Wentworth by the Sea’s professional staff will help arrange every detail of your gathering, from cutting-edge audio visual enhancements to customized catering menus from our talented culinary team. We will also be delighted to enhance your meeting itinerary with team building activities, including golf outings at the Wentworth Country Club. Let our dedicated staff infuse your event with the timeless sophistication and impeccable service that has made the Wentworth a legendary destination for New Hampshire events.

View our Meeting Brochure

  • 10,000 Sq. Ft. of Function Space
  • Nine Portsmouth Meeting Venues
  • Three Ballrooms
    • 3,744 Sq. Ft. Wentworth Ballroom
    • 2,128 Sq. Ft. Grand Ballroom
    • 2,025 Sq. Ft. Garden Ballroom
  • Pre-Function Space with Ocean Views
  • Executive Boardroom
  • Private Dining Room
  • Professional Event Services
  • Green Meetings & Events
  • Events Up to 300 Guests
  • High Speed Internet Access
  • Audio Visual Services
  • Business Center
  • Distinctive Catering
  • Team Building Activities
  • Self and Valet Parking

Request more information about hosting your next event at one of the most celebrated hotels in Portsmouth, NH, or contact a Meeting Specialist at 603.373.1110 to discuss your upcoming affair.


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