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Prices you can't beat!
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Booking is safe
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Manage your bookings online
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The staff speaks English
Hotel Wentworth by the Sea, A Marriott Hotel & Spa
588 Wentworth Road, New Castle, NH 03854, United States of America – Great location - show map
We had a fabulous stay. Look forward to my next stay.

Beautiful hotel with beautiful scenery. Always very clean & high quality linens, furniture, etc.

Loved the entire experience except the bar are was so overpriced! $18.75 for a cosmo was beyond ridiculous! Otherwise a lovely experience!

The pool and views were amazing. Restaurant in the hotel was great and the rooms were very clean. Make sure you get a cheese board from the restaurant.

Beautiful old historic New England hotel located on Newcastle Island. It does not have a beach but the views are beautiful. It was a bucket list item to stay here and Booking was half the cost of going through Marriott directly.

Beautiful room and vistas. Restaurant and bar in hotel were lovely.

The history, the view, the restaurant, the golf course near by. Portsmouth was a wonderful town to visit. Great New England hospitality!

The building is beautiful and the setting is excellent. One is right on walking paths, or a very short drive to historic parks that really should be explored. Portsmouth is a 5 minute drive away with all its charm and downtown flair. For a hotel with a long history, the building is very well kept. We ate dinner in the hotel restaurant both nights and we ate very well.

Rooms were beautiful, hotel and grounds are beautiful, staff is friendly and helpful!

Gorgoeus hotel with amazing views. Food was excellent. Perfect adult getaway for the weekend!

- What guests loved the most:
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Sullivan
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Sabrina
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Scott
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Kelleigh
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Frederick
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James
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Melissa
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Rich
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Rebecca
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Samantha
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Categories:
Overlooking the Atlantic Ocean, this hotel offers 3 dining options and an on-site spa. Guests can choose between an indoor and outdoor pool, and there is a fitness center for recreation.
Wentworth by the Sea provides pet-friendly rooms with spacious work desks and high-speed internet access. Most rooms feature water views.
The Wentworth Dining Room is open daily for breakfast, lunch and dinner. Guests can visit the hotel’s lounge for cocktails or enjoy al fresco dining on the deck overlooking the marina.
Wentworth by the Sea, A Marriott Hotel is located 7.2 miles from the Portsmouth International Airport. It is just one hour drive from Boston.
Couples in particular like the location – they rated it 8.8 for a two-person trip.
Most popular amenities
ATM: Need cash? This property has an ATM on site.

Sleeps | Room Type | Price | ||
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Max adults: 2. Max children: 1 |
King Room
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Max adults: 2. Max children: 1 |
King Room with Harbor View
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Max adults: 2. Max children: 1 |
Queen Room with Two Queen Beds
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Max adults: 2. Max children: 1 |
Queen Room with Two Queen Beds and Water View
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4 reasons to choose Wentworth by the Sea, A Marriott Hotel & Spa
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Water Country3.3 miles
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Tanger Outlets Kittery4.3 miles
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Elizabeth Perkins House5.9 miles
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George Marshall Store Gallery6.3 miles
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John Hancock Wharf Warehouse6.9 miles
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Old Gaol6.9 miles
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Old School House6.9 miles
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Emerson Wilcox House6.9 miles
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The Kittery Outlets7 miles
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Nubble Lighthouse8.6 miles
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Restaurant The Ice House0.8 miles
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Smuttynose Brewing Company10.2 miles
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Mount Agamenticus11.4 miles
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Casino Ballroom11.4 miles
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Pease International Tradeport5.1 miles
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Manchester Boston Regional Airport36.9 miles
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Portland International Jetport45.7 miles
SALT Kitchen & BAR
Food: American, Pizza, Seafood, Local
Open for: Breakfast, Lunch, Dinner, Cocktail hour
House rules Wentworth by the Sea, A Marriott Hotel & Spa takes special requests – add in the next step!
Cancellation/
prepayment
Cancellation and prepayment policies vary according to accommodations type. Please enter the dates of your stay and check what conditions apply to your preferred room.
Children & Beds
Child policies
Children of all ages are welcome.
Children 18 and above are considered adults at this property.
To see correct prices and occupancy info, add the number and ages of children in your group to your search.
Crib and extra bed policies
Crib by request
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Free |
Additional fees are not calculated automatically in the total cost and will have to be paid for separately during your stay.
This property doesn't offer extra beds.
The maximum number of cribs allowed depends on the room you choose. Double-check the maximum capacity for the room you selected.
All cribs and extra beds are subject to availability.
Age restriction
The minimum age for check-in is 21
Pets
Pets are allowed on request. Charges may apply.
Groups
When booking more than 9 rooms, different policies and additional supplements may apply.
Wentworth by the Sea, A Marriott Hotel & Spa accepts these cards and reserves the right to temporarily hold an amount prior to arrival.
The fine print
In accordance with government guidelines to minimize transmission of the coronavirus (COVID-19), this property may request additional documentation from guests to validate identity, travel itinerary, and other relevant info on dates where such guidelines exist.
Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.
FAQs about Wentworth by the Sea, A Marriott Hotel & Spa
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Check-in at Wentworth by the Sea, A Marriott Hotel & Spa is from 4:00 PM, and check-out is until 11:00 AM.
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Wentworth by the Sea, A Marriott Hotel & Spa has 1 restaurant:
- SALT Kitchen & BAR
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Room options at Wentworth by the Sea, A Marriott Hotel & Spa include:
- Double
- Twin/Double
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The prices at Wentworth by the Sea, A Marriott Hotel & Spa may vary depending on your stay (e.g. dates, hotel's policy etc.). To see prices, enter your dates.
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Wentworth by the Sea, A Marriott Hotel & Spa is 1 miles from the center of New Castle.
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Wentworth by the Sea, A Marriott Hotel & Spa offers the following activities/services (charges may apply):
- Indoor pool
- Spa
- Fitness center
- Hot tub/Jacuzzi
- Sauna
- Massage
- Cycling
- Hiking
- Bowling
- Diving
- Fishing
- Tennis court
- Canoeing
- Golf course (within 2 miles)
- Tennis equipment
- Movie nights
- Horseback riding
- Locker rooms
- Facial treatments
- Happy hour
- Manicure
- Temporary art galleries
- Beauty services
- Stand-up comedy
- Pedicure
- Water sports facilities on site
- Waxing services
- Live music/Performance
- Body treatments
- Bar crawls
- Body wrap
- Themed dinners
- Light therapy
- Live sports events (broadcast)
- Spa facilities
- Steam room
- Spa lounge/Relaxation area
- Foot bath
- Spa/Wellness packages
- Back massage
- Neck massage
- Foot massage
- Couples' massage
- Indoor pool (year-round)
- Head massage
- Hand massage
- Full-body massage
- Fitness
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Guests staying at Wentworth by the Sea, A Marriott Hotel & Spa can enjoy a highly-rated breakfast during their stay (guest review score: 8.4).
Breakfast option(s) include:
- Vegetarian
- Gluten-free
- American
- À la carte
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Yes, this hotel has a pool. See details about the pool and other facilities on this page.
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The following parking options are available to guests staying at Wentworth by the Sea, A Marriott Hotel & Spa (subject to availability):
- Parking on site
- Parking
- Accessible parking
- Free parking
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From the nearest airport, you can get to Wentworth by the Sea, A Marriott Hotel & Spa by:
- Car 45min
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Yes, there's a hot tub. You can find out more about this and the other facilities at Wentworth by the Sea, A Marriott Hotel & Spa on this page.