Wentworth by the Sea Hotel & Spa

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New Castle, NH
Wentworth by the Sea Hotel & Spa

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Since 1874, Wentworth by the Sea's iconic facade and towering turrets have welcomed guests to the island of New Castle in Portsmouth, New Hampshire.
(5411)

A beacon of elegance in Portsmouth, Wentworth by the Sea, a Marriott Hotel & Spa, overlooks the Atlantic Ocean and is an ideal vacation destination on the New Hampshire coastline.

11/02/2026

Make your fall getaway at Wentworth by the Sea even sweeter with our Taste of New Hampshire Fall add-on, featuring four locally crafted beers and freshly baked apple c***r donuts delivered straight to your guest room. 🍎🍺

Available through November, it's the perfect way to enjoy a few of the season's favorite flavors without ever leaving the comfort of your room. Just add this enhancement to your reservation after you've selected your room type.

Plan your fall stay:https://opalcollection.pulse.ly/hmmwnqdcbw

10/31/2026

Ghosts, gourds, and golden hour. ✨ Happy Halloween from Wentworth by the Sea!

10/27/2026

Thanksgiving plans are officially on the table at Wentworth by the Sea. 🦃✨

Join us in the Wentworth Ballroom from 10 a.m. to 5 p.m. on November 26 for our annual Thanksgiving Day Buffet, featuring all the holiday trimmings, complimentary ch*****ne, and plenty of desserts to save room for.

Prefer a sit-down dinner? Salt Kitchen & Bar will also be serving a special Thanksgiving Day Dinner from 12 to 8 p.m. Reservations for Salt are recommended and can be made by calling 603.373.6566.

Reserve your Thanksgiving Day Buffet tickets, view the menus, and learn more at the link below.

https://opalcollection.pulse.ly/risqyybjx1

10/23/2026

Located inside our historic hotel, Salt Kitchen & Bar pairs dishes as decadent as they are beautiful with an atmosphere that transforms throughout the day.

Dine in a banquette beneath the rotunda, watch fresh flatbreads bake inside the live-fire oven, and end the evening with a cocktail and live piano music in the lounge.

Reserve your table: https://opalcollection.pulse.ly/yaofz3m0a5

10/20/2026

You shouldn’t have to dig too far to find a hotel that both you and your dog will enjoy. 🐾

Through our Opal Paws program, four-legged guests are welcome to join you for your Seacoast getaway. We’ll even welcome them with a few thoughtful extras of their own, including food and water bowls, a comfy dog mat, and treats.

Pack the leash and plan your pet-friendly stay at Wentworth by the Sea: https://opalcollection.pulse.ly/e1upr1pwj9

10/16/2026

Whoever shared this with you is dropping hints. 💌

With the holidays and engagement season right around the corner, there’s no better time to plan a romantic getaway to Wentworth by the Sea.

Whether your perfect getaway includes couples treatments at the Spa, w**e tastings at Salt, outdoor adventures, or exploring downtown Portsmouth together, you’ll find plenty of ways to make the most of a few days away for just the two of you.

Plan your romantic Seacoast getaway: https://opalcollection.pulse.ly/ylstudfp75

10/13/2026

POV: The coffee’s hot, the fire’s roaring, and you have nowhere else to be this morning.

Our guest rooms and suites pair Wentworth by the Sea’s historic New England character with Opal Collection ’s signature comforts. Explore accommodations and availability at the link below.

https://opalcollection.pulse.ly/5z0wcaize0

10/09/2026

With crisp leaves, charming streets, and cool coastal air, October in Portsmouth is like something straight out of your favorite nostalgic series. 🍂

Ready for your main character moment? Swipe through, save this itinerary for your fall getaway, and plan your stay at Wentworth by the Sea at the link below.

https://opalcollection.pulse.ly/enullgl2rv

10/08/2026

You can practically feel the cool breeze and feel the crunch of leaves underfoot, can't you?

10/06/2026

Wish you were here? 🍂

Plan your fall escape to Portsmouth and enjoy Opal Moment savings of up to 20% off select fall dates at Wentworth by the Sea.

Spend your days exploring downtown Portsmouth, hiking nearby trails, savoring the flavors of the season, or simply settling into a slower pace by the sea.

Learn more and reserve your stay: https://opalcollection.pulse.ly/dtwwx9gnmk

Address

588 Wentworth Road
New Castle, NH
03854

Telephone

+16034227322

Website

https://www.opalcollection.com/wentworth/#booking-stay

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