Wentworth by the Sea, A Marriott Hotel & Spa

588 Wentworth Rd., New Castle, New Hampshire 03854 USA
+1 603-422-7322

Savor the classic charm of our seaside New Hampshire resort

Rewards Category 7 Points needed per night

Wentworth by the Sea, a Marriott Hotel & Spa, commands the island of New Castle, one of New Hampshire's oldest settlements. Masterfully blending classic style with 21st-century convenience, our New Castle, NH hotel provides a memorable backdrop for business conferences, weddings, family vacations, and romantic getaways. Our elegant rooms, suites and villas, many with ocean views, showcase luxury perks. As one of the top luxury hotels in New Hampshire, we offer spa services, indoor and outdoor pools, fitness and business centers, wireless Internet, and intimate restaurants with imaginative cuisine. If you're hosting a business event in the Portsmouth area, our hotel offers 10,000 square-feet of flexible space and expert planning services. There's no shortage of wonderful things to do on your next New Hampshire getaway, from exploring the best Portsmouth, NH hiking and biking to exploring historic downtown Portsmouth. A grand resort experience is yours to enjoy at Wentworth by the Sea, A Marriott Hotel & Spa.

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Guest reviews

4.4 out of 5.0
92% of guests recommend this hotel

Hear from our guests about their stay from 1040 confirmed guest reviews

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Key amenities

  • Full service spa
  • Fitness center
  • Pool
  • Kitchen/Kitchenette


  • We’re one of the top-rated luxury hotels in New Hampshire, recipients of Marriott's Hotel of the Year and TripAdvisor GreenLeaders program member.

  • Take a spa day at one of the most romantic getaways in NH. The Spa at the Wentworth offers a variety of services- from couples massages to manicures.

  • Salt Kitchen & Bar, our newly reimagined dining experience, delivers bold New England flavors onsite at one of the top Portsmouth, NH hotels.

Guest rooms

Live luxe & stay oceanside at our Portsmouth, NH hotel

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