Meetings & Conferences

  • 10,000 Sq. Ft. of Function Space
  • Three Ballrooms
  • 2,128 Sq. Ft. Original Grand Ballroom
  • 3,744 Sq. Ft. Wentworth Ballroom
  • Garden Ballroom
  • Pre-Function Space with Ocean Views
  • Executive Boardroom
  • Private Dining Room
  • 9 Meeting Rooms
  • Up to 300 Guests

Technology & Services

  • High Speed Internet Access
  • Audiovisual Services
  • Business Center
  • Elegant Catering
  • Wedding Coordinators

Reigning supreme over the New Castle peninsula, Wentworth by the Sea, A Marriott Hotel & Spa is New Hampshire's premier coastal meeting place in Portsmouth NH. Meet within stately function space, and play in a lush landscape featuring tennis, golf and spa treatments. Sumptuous Victorian elegance and acclaimed Marriott service offer a bounty of delights worthy of our legendary grand hotel status.

Conferences, Meetings & Functions

Wentworth has attracted prestigious conferences, meetings and attendees since its inception, including delegates of the historic Russo-Japanese Peace Treaty talks of 1905, mediated by Theodore Roosevelt. Venues include the magnificently restored Grand Ballroom with its original stage and pre-function space with inspiring ocean views.

Whether you are planning a meeting of the minds, sales training or gala social event, we accommodate groups of 14 to 300 in exquisite style. Every detail, from the cutting edge technical support and planning services to culinary artistry, shapes flawless events.

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Group Facilities

The Wentworth by the Sea offers a convenient location just one hour from Boston and has over 10,000 square feet of flexible meeting space to suit the needs of...

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Event Management

Our professional and courteous staff will assist you in every detail of your event, ensuring a memorable experience for you and your guests. Utilize our meeting...

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Theme Meetings

Overlooking Little Harbor and the Atlantic Ocean, the Wentworth by the Sea commands stunning views and provides the perfect destination for your next meeting or even...

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Audio Visual

Working with massAV means customer service with technical support from the best and largest Audio Visual staging and production team in New England. At Wentworth by...

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Social Events

Wentworth by the Sea is a magical setting that has been enchanting guests for well over a century. Featuring panoramic views of Little Harbor and the Atlantic...

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Group Golf

The Wentworth By the Sea Marriott Hotel, Spa and Country Club is located in the heart of the New Hampshire Seacoast. The hotel offers exclusive access to the...

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Request for Proposal

Our professional staff can assist with the planning of any business conference, annual event or meeting, large touring group or any special occasion....

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