Property style
This 4-star hotel in NEW CASTLE, NH, NEW HAMPSHIRE, UNITED STATES offers accommodations suited for a variety of travel needs.
Hotel details & availability
WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA
NEW CASTLE, NH, NEW HAMPSHIRE
· US
Current availability and rates for WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA
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Hotel overview
About WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA
A quick planning snapshot for WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA in NEW CASTLE, NH, NEW HAMPSHIRE.
WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA is a hotel located in NEW CASTLE, NH, NEW HAMPSHIRE, UNITED STATES. This property offers a comfortable stay with good service and solid amenities.
Wentworth By the Sea, A Marriott Hotel Spa commands the island of New Castle, one of New Hampshire's oldest settlements. Masterfully blending historic elegance with 21st century convenience, our luxury hotel provides a memorable backdrop for business conferences, family vacations, and romantic getaways. The Wentworth features 161 elegant rooms and suites, brimming with luxury perks; many showcase ocean views. Intimate restaurants with imaginative cuisine, pampering spa services, indoor and outdoor pools, fitness and business centers, and wireless Internet are all yours to enjoy during your stay here in New Castle. If you're hosting an event in the Portsmouth area, our hotel offers 10,000 square feet of flexible space and expert planning services. And there is no shortage of wonderful things to do here in New Castle and the surrounding area - from visiting Water Country to exploring historic downtown Portsmouth. A grand resort experience is yours to enjoy at Wentworth by the Sea, A Marriott Hotel Spa.
Best for
This beachfront property in NEW CASTLE, NH, NEW HAMPSHIRE, UNITED STATES is popular among travelers looking for sun, sand and ocean views.
Booking tip
When checking availability at WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA, pay attention to the room type, board plan (such as breakfast or all inclusive) and the cancellation policy to find the option that best matches your trip. The hotel is located in NEW CASTLE, NH, which offers local dining, shopping and entertainment options for visitors. Travelers visiting UNITED STATES should verify entry requirements, passport validity and any travel advisories before booking.
Destination base
Stay in NEW CASTLE, NH, NEW HAMPSHIRE with access to local attractions, dining and transportation options.
Compare before booking
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Location
NEW CASTLE, NH
Category
4 stars
Check-in
2026-07-29
Check-out
2026-08-05
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Good to know before booking
Room features, services, facilities, fees and included amenities can vary by selected room type,
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Room details vary
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Local fees may apply
Taxes, resort fees or destination fees may apply depending on local rules and property policy.
Some extras cost more
Parking, spa access, premium drinks or transfers may require an extra charge.
Frequently asked questions about WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA
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How can I check availability for WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA?
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Where is WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA located?
WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA is located in NEW CASTLE, NH, NEW HAMPSHIRE. The listed address is 588 WENTWORTH RD..
Is WENTWORTH BY THE SEA, A MARRIOTT HOTEL SPA suitable for families or couples?
Many hotels in NEW CASTLE, NH welcome different types of travelers. Exact services for families, couples or business travelers depend on the property and the selected room type.
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