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Properties

Explore over 350 member properties ranging from the smallest New England country inns to the most exclusive hotels and resorts, state by state.

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Experiences

Experience the landscapes, activities, history and culture that sets New England apart. Make memories that last a lifetime.

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Sea Crest Beach
Greyfinch Chatham Inn, Chatham, MA
Samoset Resort, Rockport, ME
Relaxing lounge with wooden furniture, ocean view through large windows.
Inn by the Sea Porch
XV Beacon, Boston, MA
Rooftop table with drinks and plates of food, overlooking a cityscape at sunset.
Trapp Family Lodge
The Revolution Hotel, Boston, MA
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Sea Crest Beach

Inspiration

Experience the landscapes, activities, history and culture that sets New England apart. Make memories that last a lifetime.

Why New England
Rugged and rocky coastline
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Hexagonal collage of travel scenes, beaches, and drinks.
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Scenic view of fall foliage in the mountains with a solo hiker
Why New England
Rugged and rocky coastline

Weddings & Meetings

Woodstock Inn Team Building Event
Wedding Couple at Mountain Top Resort
Meeting Room at Chatham Bars Inn
Woodstock Inn Team Building Event
Wedding Couple at Mountain Top Resort

Offers

Planning the perfect New England vacation is easy with our exclusive offers. From family-time to romantic getaways, from the mountains to the beach, find the perfect trip anywhere in New England with a few extra perks.

See all Offers
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Spa room with two massage tables, comfortable chairs, and a fireplace. Ocean view through windows.
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Aerial view of a table set with various gourmet dishes and two drinks.
Children with a surfboard walking on a sunlit porch next to a menu board.

Treadwell Mansion

Portsmouth, New Hampshire

Historic Luxury in the Heart of Downtown Portsmouth

Book Now Visit Website 603-766-3476 ext. 112
Historic brick building on a sunny street corner with clear sky.
Historic brick building with a "Treadwell Mansion" hotel sign in front.
Elegant living room with blue sofa, ornate mirror, plants, and floral rug.
Cozy bedroom with a wooden bed, peach cover, and pale curtains.
Modern bathroom with glass shower, vanity, and towels on rack.
Hotel room with bed, TV, two chairs, and kitchenette.
Modern bathroom with a glass shower, blue accent wall, and white towels.
Stylish kitchen with wood cabinets, modern appliances, and marble countertops.
Rooftop patio with wooden tables and chairs, overlooking city buildings at sunset.
Brick building with green window awnings and stone wall, streetlamp in foreground.
Historic brick building on a sunny street corner with clear sky.
Historic brick building with a "Treadwell Mansion" hotel sign in front.
Elegant living room with blue sofa, ornate mirror, plants, and floral rug.
Cozy bedroom with a wooden bed, peach cover, and pale curtains.
Modern bathroom with glass shower, vanity, and towels on rack.
Hotel room with bed, TV, two chairs, and kitchenette.
Modern bathroom with a glass shower, blue accent wall, and white towels.
Stylish kitchen with wood cabinets, modern appliances, and marble countertops.
Rooftop patio with wooden tables and chairs, overlooking city buildings at sunset.
Brick building with green window awnings and stone wall, streetlamp in foreground.
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Property Overview

Welcome to Treadwell Mansion, Portsmouth's newest luxury boutique hotel, where historic charm meets modern sophistication in the heart of downtown. Thoughtfully restored and reimagined, this landmark property offers spacious apartment-style suites featuring full kitchens, generous living spaces, and seamless digital check-in.

Located just steps from Market Square, waterfront attractions, acclaimed restaurants, boutique shopping, and Portsmouth's rich cultural and historic sites, Treadwell Mansion places guests in the center of one of New England's most vibrant coastal destinations. Whether you're exploring the city, attending a special event, or planning a relaxing getaway, everything Portsmouth has to offer is within easy walking distance.

Blending more than two centuries of history with contemporary comfort, Treadwell Mansion features a rooftop terrace with city views, on-site private garage parking, and a flexible, and modern, contactless hospitality at your fingertips. From romantic escapes and family vacations to extended stays and business travel, Treadwell Mansion offers a distinctive New England stay where history, luxury, and location come together.

Dining

Step outside our front doors and discover an exceptional collection of locally owned restaurants, waterfront dining, cozy cafés, craft breweries, and lively cocktail bars—all within walking distance. From fresh New England seafood and farm-to-table cuisine to international flavors and sweet treats, Portsmouth offers a vibrant culinary scene that has earned national recognition as one of New England's premier food destinations.

Rooms

Designed to blend historic character with modern functionality, Treadwell Mansion offers spacious apartment-style accommodations ideal for families, groups, extended stays, and business travelers. Thoughtfully restored architectural details and elegant design elements pay tribute to the mansion's rich heritage, while contemporary amenities provide the comfort and convenience today's guests expect.

Each suite features generous living spaces, full kitchens, and flexible layouts that make it easy to gather, work, relax, or stay a little longer. Whether you're planning a family getaway, group retreat, wedding weekend, corporate stay, or extended visit to Portsmouth, Treadwell Mansion provides the space and comfort to feel right at home while enjoying a truly distinctive New England experience.

Location

Treadwell Mansion

93 Pleasant Street
Portsmouth, NH 03801
United States

Directions

Phone: 603-766-3476 ext. 112

New England Inns & Resorts Association Gift Cards are redeemable at over 300 lodging properties all over New England and are available in the amount of your choosing. It’s the perfect answer to all your gift-giving needs.

Buy Now

Planning the perfect New England vacation is easy with our exclusive offers. From family-time to romantic getaways, from the mountains to the beach, find the perfect trip anywhere in New England with a few extra perks.

View All Offers

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Amenities

  • Contactless Check-in
  • Secure Digital Access
  • Responsive Guest Messaging
  • Spacious layouts
  • On-site Garage
  • Rooftop Terrace
  • Full Kitchen in every  
  • Family Friendly