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Discover the Luxurious Lodging at our Historic Hotel in Portsmouth

Located on the island of New Castle, Wentworth by the Sea, a Marriott Hotel & Spa features 161 deluxe rooms and suites, each designed to reflect the hotel’s rich heritage while providing modern comforts for today’s traveler. Our seaside hotel in Portsmouth overlooks the Atlantic Ocean, the Isles of Shoals, Little Harbor, and the Piscataqua River, ensuring almost all of our seaside accommodations feature ocean or harbor views.

Due to the historic nature of the hotel, our room configurations vary. While all Portsmouth guest rooms are appointed with plush bedding and luxurious marble baths, some are outfitted with radiant heat beneath the floors, some have full bathtubs, and others have oversized glass shower enclosures. For the ultimate New England seacoast experience, reserve a stay in one of the exquisite Turret Suites, located in the three Victorian turrets that crown the hotel, or our bi-level Marina Suites, which overlook the harbor and the lush greens of the Wentworth Country Club.

Please note that Wentworth by the Sea is a 100% non-smoking hotel.

Wentworth by the Sea’s Dog Policy
Wentworth by the Sea is happy to welcome your four-legged friend to our oceanfront hotel in Portsmouth; however, we ask you to please take note of the following hotel policies:

  • Overnight hotel guests will be charged $50 per stay, per dog.
  • Dogs must weigh less than 30 pounds and must be on a leash or in a carrier at all times.
  • Dogs are not allowed in the Exercise Studio, Concierge Lounge, Pools, Spa or Dining areas.
  • Housekeeping service should be pre-arranged at a time when the dog will not be in the room.
  • Dogs may not be left unattended in the room.
  • Noise complaints may result in the owner being notified to make arrangements for housing their dog elsewhere.
  • Damage to the carpet or other areas of the room will result in additional charges, even if they are discovered following your departure from the hotel.

Reserve your stay today at Wentworth by the Sea, or contact a Reservations Agent at 888.252.6888 to begin planning your next stay at one of the most historic Portsmouth, NH hotels.

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Wentworth by the Sea - A Marriott Hotel & Spa


Wentworth by the Sea: 588 Wentworth Road, New Castle, NH 03854
Wentworth Phone: 603.422.7322 Toll-Free: 888.252.6888

© Copyright 2014 Wentworth by the Sea All Rights Reserved.

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