Skip Main Navigation

Wentworth by the Sea, A Marriott Hotel & Spa

588 Wentworth Rd.  New Castle  New Hampshire  03854  USA 

Check Rates & Availability

(proof of eligibility required at check-in)

About special rates

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

Guest Rooms

  • Enjoy a beautiful ocean view from most of our 161 New Hampshire resort guest rooms.
  • Relax in luxuriously appointed suites with amenities that ensure a comfortable and productive stay.
  • Equipped with high-speed Internet access and a spacious work desk for the business traveler.
  • Get a great night's sleep at this Portsmouth, NH hotel with plush bedding and crisp linens.
  • Each guest room features a marble bathroom with a luxurious bathrobe and bathtub.
  • For those looking for extended vacation amenities, our marina suites offer a washer and dryer.
  • This hotel has a smoke-free policy 
  • Book 10 or more rooms at this hotel 

Get 25% off if you find a better deal anywhere else on Marriott rooms. We'll match it + and save you even more. View Brand Exclusions & Terms.

  • Close
    Guest room
    1 King or 2 Double
    Guest room
    1 King or 2 Double

    Room images may not correspond to the actual room received.

        Check Room Rates & Availability

      View Room Details

      Room Overview
      Room Amenities
      In-room Media
    • Close
      Guest room
      1 King or 2 Double, Harbor view
      Photo coming soon
      Guest room
      1 King or 2 Double, Harbor view

      Room images may not correspond to the actual room received.

        Check Room Rates & Availability

      View Room Details

      Room Overview
      Room Amenities
      In-room Media
    • Close
      1 Bedroom Suite
      1 King, Sofa bed, Fireplace
      1 Bedroom Suite
      1 King, Sofa bed, Fireplace

      Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        1 Bedroom Suite
        1 King, Sofa bed, Harbor view, Fireplace
        Photo coming soon
        1 Bedroom Suite
        1 King, Sofa bed, Harbor view, Fireplace

        Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        West Turret Suite
        1 Bedroom Bi-level Suite, 1 King, Harbor view
        Photo coming soon
        West Turret Suite
        1 Bedroom Bi-level Suite, 1 King, Harbor view

        Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        East Turret Suite
        1 Bedroom Bi-level Suite, 1 King, Harbor view, Fireplace, Whirlpool
        Photo coming soon
        East Turret Suite
        1 Bedroom Bi-level Suite, 1 King, Harbor view, Fireplace, Whirlpool

        Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        Center Turret
        1 Bedroom Presidential Suite, 1 King, Harbor view
        Photo coming soon
        Center Turret
        1 Bedroom Presidential Suite, 1 King, Harbor view

        Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        Marina Suite
        1 Bedroom Villa, 1 King, Sofa bed, Bathrooms: 1.5, Waterfront, Marina Building
        Marina Suite
        1 Bedroom Villa, 1 King, Sofa bed, Bathrooms: 1.5, Waterfront, Marina Building

        Room images may not correspond to the actual room received.

            Check Room Rates & Availability

          View Room Details

          Room Overview
          Room Amenities
          In-room Media
        • Close
          Marina Suite
          2 Bedroom Villa, Bedroom 1: 1 King, Bedroom 2: 1 King, Bathrooms: 2, Waterfront
          Photo coming soon
          Marina Suite
          2 Bedroom Villa, Bedroom 1: 1 King, Bedroom 2: 1 King, Bathrooms: 2, Waterfront

          Room images may not correspond to the actual room received.

            Check Room Rates & Availability

          View Room Details

          Room Overview
          Room Amenities
          In-room Media
        • Close
          Marina Suite
          2 Bedroom Villa, Bedroom 1: 1 King, Bedroom 2: 2 Double, Sofa bed, Bathrooms: 2
          Marina Suite
          2 Bedroom Villa, Bedroom 1: 1 King, Bedroom 2: 2 Double, Sofa bed, Bathrooms: 2

          Room images may not correspond to the actual room received.

              Check Room Rates & Availability

            View Room Details

            Room Overview
            Room Amenities
            In-room Media