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Wentworth by the Sea, A Marriott Hotel & Spa

588 Wentworth Rd.  New Castle  New Hampshire  03854  USA 


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(proof of eligibility required at check-in)

About special rates and awards

To make reservations by phone, call 1-800-228-9290 in the USA and Canada (or any of our worldwide reservation telephone numbers).

  • Nightly rates from
  • 349.00 (USD)
  •   Almost Sold Out
  • Oct 3, 2014 - Oct 5, 2014
  • 2-night stay
  • Check Availability

View Rates

From 229

(USD) per night

Get our best available rate, guaranteed, or get 25% off!

See brand exclusions and guarantee terms.

  • Free In-Room High Speed Internet
  • Earn + redeem points with Marriott Rewards®

Wentworth By the Sea commands the island of New Castle, one of NH's oldest settlements. Overlooking the Atlantic Ocean, our hotel is the perfect destination for a romantic getaway or family vacation. This Marriott Hotel of the Year features 161 guestrooms and suites that blend historic elegance with 21st century convenience. Host your next meeting in any of our 12 meeting rooms, including the grand Wentworth Ballroom. Cruise along the Atlantic Ocean, take the family to Water Country, or explore the historic downtown area. This New Hampshire resort offers intimate restaurants with imaginative cuisine, spa services, indoor and outdoor pools, nearby beaches, fitness and business centers, and wireless internet. Opened in June 2013, enjoy our NEW re-envisioned dining experience, SALT Kitchen & Bar! An unwavering commitment to service makes the Wentworth Marriott one of the remaining grand resort hotels of New England and the country.

Marriott Rewards category: 9

Local Attractions

  • Portsmouth Downtown-Market Square
  • Strawbery Banke
  • Isles of Shoals Steamship company
  • The Seacoast Repertory Theatre
  • Portsmouth Music Hall
  • Water Country

Visit the Local Area 


  • On-site

    SALT Kitchen & Bar

    • American
  • Latitudes Waterfront

    • American
  • Dining On-site 
  • Nearby

    Pesce Blue Italian Seafood

    • 3.5 miles
    • Seafood
  • Black Trumpet Bistro

    • 3.5 miles
    • Other
  • The Library Restaurant

    • 3.5 miles
    • Steakhouse
  • Dining Nearby 

    Check Room Rates & Availability