Wentworth by the Sea Hotel & Spa

Name: Wentworth by the Sea Hotel & Spa
Address: 588 Wentworth Road, New Castle, NH, 03854, US
Telephone: +16034227322
Price range: $$$
Rating: 4.6

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Wentworth by the Sea Hotel & Spa

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.
(5426)

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.

08/19/2026

Enjoyed your stay at Wentworth by the Sea? We love to hear it — and would love to see it, too!

Whether you spent your trip lounging by the pool or out exploring every corner of Portsmouth, be sure to tag us in your Seacoast vacation photos. 📸

08/18/2026

After just one visit, Portsmouth will capture your heart forever. With its charming downtown, local boutiques, independent galleries, and waterfront views, it's easy to see why guests return year after year.

With Wentworth by the Sea as your home base, you're just minutes from all this coastal destination has to offer.

Click the link below to explore our guide to visiting Portsmouth and start planning your getaway.

https://opalcollection.pulse.ly/wq9ntbidcn

08/14/2026

Our guest rooms and suites blur the line between old-world elegance and modern indulgence. 🗝️✨

Spa-inspired bathrooms, private waterfront balconies, spacious layouts for the whole group to spread out — whatever you're looking for, there's a Wentworth by the Sea room to fit the bill.

Explore accommodations and availability: https://opalcollection.pulse.ly/n6cztvltzo

08/13/2026

Don't let these sunny days slip by without enjoying an afternoon at our waterfront pool. ☀️

Between refreshing swims and relaxing poolside, enjoy a full lineup of family-friendly activities throughout the week, including scavenger hunts, crafts, trivia nights, and more.

View our full schedule of weekly poolside activities: https://opalcollection.pulse.ly/d9zti2lqmi

08/10/2026

We've been perfecting seaside escapes for over 150 years. Your stay is next.

Visit the link below to explore accommodations and availability at Wentworth by the Sea.

https://opalcollection.pulse.ly/tkdlo1dnvp

08/06/2026

Why leave your best buddy at home when this could be their view? 🐾

Meet Ernie, a 6-year-old Boston Terrier, and Boone, an 11-year-old Terrier — both frequent guests of our hotel. Their favorite part of every stay? Staring out at the gorgeous views of Little Harbor and the Piscataqua River.

Thanks to our dog-friendly accommodations, your four-legged companion never has to miss out on the adventure.

Have a photo of your pup at our hotel? Share it in the comments along with their name and age. We'd love to see our furry guests!

08/04/2026

Restore balance this summer with a little well-deserved time for yourself.

Our Crown & Calm Massage combines a relaxing full-body massage with a nourishing, warm-oil scalp treatment designed to ease tension, soothe the senses, and leave you feeling refreshed from head to toe.

Plus, receive $20 off any $100+ Yon-Ka skincare purchase during your visit.

Available through August 31. Learn more and reserve your treatment at the link below.

https://opalcollection.pulse.ly/jlyq4nbtrn

08/03/2026

Some awards recognize a single hotel. This one celebrates an entire collection. That’s why we’re incredibly proud to be one of the 31 hotels and resorts that make up Opal Collection, recognized for the second consecutive year as a 𝗧𝗼𝗽 𝟮𝟱 𝗕𝗲𝘀𝘁 𝗛𝗼𝘁𝗲𝗹 𝗣𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼 𝗶𝗻 𝙏𝙧𝙖𝙫𝙚𝙡 + 𝙇𝙚𝙞𝙨𝙪𝙧𝙚’𝘀 𝟮𝟬𝟮𝟲 𝗪𝗼𝗿𝗹𝗱’𝘀 𝗕𝗲𝘀𝘁 𝗔𝘄𝗮𝗿𝗱𝘀.

To every guest who’s made memories with us or across our collection – thank you. This honor wouldn’t be possible without you.

07/31/2026

For generations, travelers have come to the New Hampshire Seacoast to summer by the water.

Since opening its doors in 1874, Wentworth by the Sea has welcomed guests seeking fresh ocean air, harbor views, memorable gatherings, and the timeless traditions of a New England summer. While much has changed over the last 150 years, the spirit of summering here remains remarkably familiar.

Now it's your turn.

Explore accommodations and availability: https://opalcollection.pulse.ly/ggwdjdz0lc

07/28/2026

When you and your loved ones are smiling like this from beginning to end, you know it's been a wedding day no one will ever forget. Emma and Spencer's celebration was exactly that.

The joy of a wedding like this doesn't come from the ceremony alone — it's built throughout the entire weekend. With waterfront views, historic architecture, spacious accommodations, and gathering spaces for every celebration, Wentworth by the Sea creates the perfect setting for guests to relax, reconnect, and celebrate together.

Start planning your Portsmouth wedding: https://opalcollection.pulse.ly/2yqljgvqfj

📸: Clay Taylor Photo

Address

588 Wentworth Road
New Castle, NH
03854

Telephone

+16034227322

Website

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

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