A Storied New Hampshire Resort on the Seacoast
An Opal Collection Resort
New Castle, New Hampshire
A grand dame of the Gilded Age continues its legacy
Since 1874, Wentworth by the Sea’s iconic facade and towering turrets have welcomed guests to the island of New Castle near Portsmouth. This 150-year-old New Hampshire resort has famously hosted presidents and dignitaries, and it continues its tradition today as a serene space for weekend getaways, corporate conferences, and celebrations of all kinds.
Holidays & Resort Activities
From January 1 through December 31, there is always a reason to celebrate with Wentworth by the Sea. New Year’s, Mother’s Day, Thanksgiving, and everything in between, you will find an array of festive menus, sprawling brunches and buffets, and a host of activities to keep all generations entertained.
It’s time to get your holiday plans locked in. Browse our holiday offerings for the upcoming holidays, and catch a sneak peek of what else we have in store.
Wentworth by the Sea Holiday Savings
Whether heavy hitters like Christmas or Thanksgiving or more modest occasions like Labor Day or Indigenous Peoples Day, Wentworth by the Sea is always serving up savings to get you a steal of a deal on a holiday-based retreat, year-round.
Customize Your NH Seacoast Getaway
Make the most out of your Wentworth getaway by making it perfectly suited for you. With our flexible package add-ons, simply add on spa and dining credits, or rounds of golf to enhance your stay.
6 Reasons To Visit Wentworth by the Sea’s Winter Wine Festival
Rubbing elbows with Napa’s top wine luminaries, hundreds of bottles of premier wine at your fingertips, and some of the most innovative dish pairings the Seacoast has ever seen. These are just a few of the reasons to check out the Winter Wine Festival, a month-long celebration that runs January 23–February 25, 2026.
9 Secrets You Never Knew About the Portsmouth Music Hall
Ship-like stage rigging, a fantastical lower-level lobby, and a fate that almost resulted in being turned into condos…twice. You may be familiar with The Music Hall as an iconic Portsmouth New Hampshire landmark, but how well do you really know this 1878 performing arts space?
Wentworth by the Sea’s Unique Spa Amenity: The Salt Lounge
Spending time in a salt room is said to have huge respiratory and skin benefits, and it may help treat stress, and anxiety, too. So should we all start hailing halotherapy? We shed some light on the science of salt therapy.
Your Guide to Portsmouth, New Hampshire
Whether you’re planning an intimate romantic getaway or a family summer vacation, there’s so much to see and do in Portsmouth. Here’s the best of what this charming port town has to offer.
