AC Hotels by Marriott Portsmouth Downtown Waterfront

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AC Hotels by Marriott Portsmouth Downtown Waterfront

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AC Hotel by Marriott Portsmouth brings a new way to Hotel to NH's Seacoast. This is a truly cosmopolitan hotel with an urban vibe.
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It is custom made for those seeking a new way to understand, live and Feel the City.

10/30/2026

What makes a weekend at AC Portsmouth different from all the others? You can experience Portsmouth from above, and you don’t even have to leave “home” to do it.

Rooftop at the Envio is a local favorite for a reason: incredible views, elevated food, and handcrafted drinks, all just steps from your room. If you’re starting the evening with cocktails or plan on staying a while, stopping by Rooftop is the easiest way to upgrade your Portsmouth getaway. 🍸

10/29/2026

The AC 20-Minute Edit: Portland, ME | From street corners to scenic viewpoints, Portland becomes the canvas. Join Sephi in capturing neighborhood moments and creative inspiration within a 20 minute walk of AC Hotel Portland, Maine.

10/28/2026

Pouring perfection at AC Portsmouth. 🥃 Come try a taste of our exclusive, hand-selected wh***ey barrel. Your evening plans start right here.

10/23/2026

It’s officially the weekend, Portsmouth! An afternoon downtown never disappoints. From local shops to waterfront strolls and a stop for something good to eat, there’s always a reason to stay a little longer. Enjoy it.

10/21/2026

Portsmouth is full of discoveries, and staying at AC Hotel Portsmouth puts you right in the heart of them. Spend the day wandering downtown, browsing thoughtfully upcycled finds, uncovering seaside collectibles, and slipping into French-inspired cafés for a leisurely coffee or bite.

There’s always something new to discover just beyond our doors. Book your stay and experience Portsmouth for yourself, link in bio.

10/20/2026

The AC 20-Minute Edit: Tokyo | From elevated essentials to bold self-expression, explore Tokyo’s style culture through the eyes of . Explore fashion-forward neighborhoods, standout boutiques and street style inspiration within a 20 minute walk of .

10/16/2026

The AC 20-Minute Edit: Montreal |The city’s best bites are closer than you think. Taste your way through Montreal with Laurent Dagenais. From neighborhood staples to culinary favorites within a 20 minute walk of Hôtel AC Marriott Montréal Centre-Ville.

10/16/2026

Drop your bags, but don’t take your shoes off. Portsmouth is waiting for you.

With downtown boutiques, dozens of local restaurants, and all the charm of a quintessential New England town just steps away, there’s plenty to explore right outside your door.

Link in bio to book your stay.

10/13/2026

The AC 20-Minute Edit: Naples | Where timeless design meets everyday living. Follow Tony Tran through Naple’s most inspiring interiors and cafés within a 20 minute walk of .

10/12/2026

Trade your home office for a fireside afternoon. Quiet corners, strong coffee, and Wi-Fi that keeps up with you. Sometimes a change of scenery is all you really need get through you to-do list.

10/08/2026

The AC 20-Minute Edit: Lima | Some places you visit. Others are part of who you are. Explore Lima with Alexander Paul | Digital Creator • Traveler as he uncovers familiar flavours, places, and perspectives within a 20 minute walk of AC Hotel by Marriott Lima Miraflores.

10/07/2026

The AC 20-Minute Edit: Kraków | Kraków, as the locals know it. Follow along with .finds for authentic recommendations, neighborhood favorites and everyday moments all within a 20 minute walk of

10/05/2026

Choose your AC mood:

10/02/2026

Good mornings start at the table. Settle in for a European-inspired breakfast with freshly baked pastries, savory favorites, fresh fruit, yogurt, and plenty of coffee to get the day going.

09/30/2026

Room keys in hand, the evening is just getting started. Head upstairs, settle in with a rooftop drink, and take in the views as your stay at AC Hotel Portsmouth begins exactly as it should.

09/29/2026

The AC 20-Minute Edit: Glasgow | Every corner tells a story. From striking façades to hidden details, explore Glasgow’s iconic architecture through the eyes of all within a 20 minute walk of .

09/28/2026

As summer evenings begin to cool, the warmth of the our lounge remains. Settle into a cozy corner, linger a little longer, and enjoy the welcoming glow of downtown Portsmouth. Whether you’re returning from a day out or just settling in for the evening, there’s always a place to unwind.

09/25/2026

Gin, tonic, and a little attention to everything in between.

09/24/2026

Welcome in. From the moment you arrive, our team is here to make your stay feel effortless, from a warm welcome at the front desk to the little details that make your time in Portsmouth memorable.

Come experience it for yourself. Book your stay through the link in bio.

03/16/2026

A space designed to move at the pace of your day.

01/16/2026

Sweet. Salty. Spicy. Umami. Sour. Discover experiences full of flavor. Discover

01/13/2026

Essences that transport you. Essences that stay with you.

01/09/2026

That place where time seems to stand still.

01/01/2026

Chiles is saying hello to 2026 with a resolution to make more time for herself—starting with a staycation thanks to our sponsor and . Watch now on ABC and next day on Hulu.

Address

299 Vaughan Street
Portsmouth, NH
03801

Website

https://www.marriott.com/en-us/hotels/psmac-ac-hotel-portsmouth-downtown-waterfront/overview/?scid=d2406702-e8ea-4b45-bb

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