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AC Hotel by Marriott Portsmouth

3.5 star property

Choose dates to view prices

Photo gallery for AC Hotel by Marriott Portsmouth

Restaurant
Lobby
2 bars/lounges, lobby lounge, rooftop bar
Restaurant
Lobby

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Pet friendly
  • Free WiFi
  • Air conditioning

Explore the area

View in a map
299 Vaughn Street, Portsmouth, NH, 03801
  • Place, Market Square
    ‪6 min walk‬
  • Place, The Music Hall
    ‪8 min walk‬
  • Place, Strawbery Banke Museum
    ‪13 min walk‬
  • Airport, Portsmouth, NH (PSM-Portsmouth Intl.)
    ‪10 min drive‬

Room options

View all photos for Room, 1 King Bed with Sofa bed

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 1 King Bed with Sofa bed

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

View all photos for Room, 1 King Bed with Sofa bed, Hearing Accessible

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 1 King Bed with Sofa bed, Hearing Accessible

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

View all photos for Room, 1 King Bed with Sofa bed, Accessible Bathtub

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 1 King Bed with Sofa bed, Accessible Bathtub

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

View all photos for Room, 1 King Bed with Sofa bed, Roll-in Shower

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 1 King Bed with Sofa bed, Roll-in Shower

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

View all photos for Room, 2 Queen Beds

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 2 Queen Beds

  • 1 bedroom
  • Sleeps 5
  • 2 Queen Beds
  • Free WiFi

View all photos for Room, 2 Queen Beds, Hearing Accessible

Hypo-allergenic bedding, in-room safe, desk, laptop workspace

Room, 2 Queen Beds, Hearing Accessible

  • 1 bedroom
  • Sleeps 5
  • 2 Queen Beds
  • Free WiFi

View all photos for Suite, 1 Bedroom

Flat-screen TV

Suite, 1 Bedroom

  • 1 bedroom
  • Sleeps 3
  • 1 King Bed
  • Free WiFi

View all photos for Suite, 1 King Bed with Sofa bed

Flat-screen TV

Suite, 1 King Bed with Sofa bed

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

View all photos for Suite, 1 King Bed with Sofa bed, Accessible Bathtub

Flat-screen TV

Suite, 1 King Bed with Sofa bed, Accessible Bathtub

  • 1 bedroom
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed
  • Free WiFi

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About the neighborhood

Portsmouth

Located in North End, AC Hotel by Marriott Portsmouth is a leisurely stroll from popular sights such as The Music Hall and Prescott Park. This 156-room, 3.5-star hotel has a restaurant, a 24-hour gym, and free in-room WiFi.

What's nearby

  • Market Square - 6 min walk - 0.4 miles
  • The Music Hall - 8 min walk - 0.5 miles
  • Portsmouth Harbor Trail - 8 min walk - 0.5 miles
  • Strawbery Banke Museum - 13 min walk - 0.7 miles
  • Prescott Park - 13 min walk - 0.7 miles

Getting around

  • Dover Transportation Center - 20 min drive
  • Manchester-Boston Regional Airport (MHT) - 55 min drive

Restaurants

  • ‪Thirsty Moose Tap House - ‬8 min walk
  • ‪The Wilder - ‬7 min walk
  • ‪Barrio - ‬1 min walk
  • ‪Row 34 - ‬5 min walk
  • ‪Sheraton Portsmouth Harborside Hotel Club Lounge - ‬5 min walk

About this property

AC Hotel by Marriott Portsmouth

At AC Hotel by Marriott Portsmouth, guests have access to a 24-hour gym, free WiFi in public areas, and meeting rooms. Valet parking is available for USD 45 per night. The front desk is staffed 24 hours a day to help with securing valuables and dry cleaning/laundry. Additional amenities include free use of bicycles, express check-out, and laundry facilities.
Flat-screen TVs come with cable channels, and free WiFi keeps guests connected. Bathrooms offer hair dryers and free toiletries. Coffee makers, safes, and phones are also standard. Housekeeping is available on request.
Recreational amenities at the hotel include a 24-hour fitness center and complimentary bicycles.

The recreational activities listed below are available either on site or nearby; fees may apply.

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May 25 - May 26
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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Electric car charging station on site
  • Height restrictions apply for onsite parking
  • Onsite parking available only on request
  • Secured, covered valet parking on site (USD 45 per night; includes in/out privileges)
  • Onsite parking includes off-street options

Food and drink

  • Buffet breakfast available for a fee 6:00 AM to 10:30 AM on weekdays and 7:00 AM to 11:00 AM on weekends; USD 22 to 22 for adults and USD 12 to 12 for children
  • 2 bars/lounges
  • A restaurant

Restaurants on site

  • AC Kitchen
  • AC Lounge
  • Rooftop at the Envio

Things to do

  • 24-hour gym
  • Free bicycle rentals

Family friendly

  • Laundry facilities
  • Mini-fridge

Conveniences

  • 24-hour front desk
  • Gift shop/newsstand
  • Laundry facilities
  • Newspapers in lobby
  • Safe at front desk

Guest services

  • Change of bedsheets (on request)
  • Change of towels on request
  • Dry cleaning/laundry service
  • Housekeeping (daily)

Business services

  • 10 meeting rooms

Outdoors

  • Vegetable garden

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Assistive listening devices
  • Assistive listening devices in meeting rooms
  • Braille/raised signage
  • Elevator (42 inch wide door)
  • Handrails in stairways (36 inches high)
  • Height-adjustable showerhead
  • Lever door handles
  • Stair-free path to entrance
  • Valet for wheelchair-equipped vehicles
  • Visual fire alarm
  • Well-lit path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible gym
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible public washroom
  • Wheelchair-accessible registration desk (34 inches high)
  • Wheelchair-accessible restaurant
  • Wheelchairs on site

More

  • 5 floors
  • At least 80% lighting from LEDs
  • Banquet hall
  • Built in 2019
  • Comprehensive recycling policy
  • Double-glazed windows
  • No plastic coffee stirrers
  • No plastic drinking straws
  • Rooftop garden
  • Smoking not allowed
  • Vegan dining options
  • Vegetarian breakfast available
  • Vegetarian dining options

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes
  • Hypo-allergenic bedding

Bathroom

  • Free toiletries
  • Hair dryer
  • Shampoo
  • Soap
  • Toilet paper
  • Toothbrush and toothpaste (on request)
  • Towels provided

Entertainment

  • Flat-screen TV with premium cable channels

Food and drink

  • Coffee/tea maker
  • Free bottled water
  • Mini-fridge

More

  • Air conditioning (climate-controlled)
  • Desk
  • Desk chair
  • Energy-saving switches in guestrooms
  • Iron/ironing board
  • Laptop workspace
  • LED lighting
  • Phone
  • Recycling
  • Safe
  • Water-efficient showers
  • Window screens

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: anytime

Minimum check-in age: 21

Check-out

Check-out before 11:00 AM

Contactless check-out available

Express check-out available

Special check-in instructions

Front desk staff will greet guests on arrival at the property

Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

  • This property welcomes pets for USD 100.00 per accommodation, per stay
  • Pet weight must not exceed 100 lbs per pet
  • Pets may not be left unsupervised
  • Restrictions apply
  • For more information, guests can reach out to the property at the number on the booking confirmation
  • Service animals exempt from fees

Property payment types

Important information

Fees

You'll be asked to pay these charges at the property:

  • Destination fee: USD 27.13 per accommodation, per night

These are all of the charges provided to us by the property.

Optional extras

These fees and deposits will be charged at check-in, check-out, or the time of service.

  • Fee for buffet breakfast: approximately USD 22 to 22 for adults, and USD 12 to 12 for children
  • Covered valet parking fee: USD 45 per night (in/out privileges)
  • Pet fee: USD 100.00 per accommodation, per stay
  • Service animals are exempt from fees

This list may not be comprehensive. Fees and deposits might not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Guests must contact this property in advance to reserve onsite parking
This property accepts credit cards; cash is not accepted
Cashless transactions are available
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a first aid kit
This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)
  • Check-in: 4:00 PM—-anytime
  • Check-out: 11:00 AM
  • Minimum check-in age: 21
The front desk is open 24 hours a day, and checking out is easy with express services. Driving? This property offers valet parking (fees apply), along with a car charging station.

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A cash deposit, credit card, or debit card for incidental charges, as well as a government-issued photo ID, may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • Guests must contact this property in advance to reserve onsite parking.
  • This property accepts credit cards. Cash is not accepted. 
  • Onsite safety features include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a first aid kit.
  • Cashless payment methods are available for all transactions.
  • This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott).

Additional information about polices, regulations, and more:

  • Registered guests are the only ones allowed in guestrooms.
  • No cribs or infant beds are available.
  • No rollaway or extra beds are available.
  • Parking has height restrictions.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Property is also known as

Ac By Marriott Portsmouth

AC Hotel by Marriott Portsmouth Hotel

AC Hotel by Marriott Portsmouth Portsmouth

AC Hotel by Marriott Portsmouth Hotel Portsmouth

Frequently asked questions

Are free cancellation options available at AC Hotel by Marriott Portsmouth?

AC Hotel by Marriott Portsmouth provides free cancellation on some room rates. For specific requirements, take a look at the cancellation policy on our site.

How much does it cost to stay at AC Hotel by Marriott Portsmouth?

As of May 23, 2026, prices found for a 1-night stay for 2 adults at AC Hotel by Marriott Portsmouth on May 26, 2026 start from $211, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

What is there to do within easy reach of AC Hotel by Marriott Portsmouth?

This hotel is situated in North End within a 10-minute walk of Market Square, The Music Hall, and Portsmouth Harbor Trail. You'll also find Strawbery Banke Museum and Seacoast Repertory Theatre less than a mile away.

Is parking available on site at AC Hotel by Marriott Portsmouth?

Yes, secured valet parking is offered for USD 45 per night with in/out privileges. Though parking is available on request, an electric car charging station is also available.

Does AC Hotel by Marriott Portsmouth feature a casino?

No, AC Hotel by Marriott Portsmouth doesn't have a casino.

Is there an indoor pool at AC Hotel by Marriott Portsmouth?

No, there is no indoor pool at this hotel.

What amenities will couples enjoy at AC Hotel by Marriott Portsmouth?

Couples staying at this hotel will appreciate amenities like a restaurant plus some guestrooms include a harbor view and a rainfall showerhead.

Does AC Hotel by Marriott Portsmouth have a hot tub?

No, this hotel doesn't have a spa tub.

Does AC Hotel by Marriott Portsmouth have a restaurant that serves breakfast?

Yes, AC Hotel by Marriott Portsmouth serves buffet breakfast for a surcharge each morning at AC Kitchen.

Does AC Hotel by Marriott Portsmouth allow pets to stay for free?

Although they can't stay for free, pets are welcome at AC Hotel by Marriott Portsmouth for a fee of USD 100.00 per accommodation, per stay.

Does AC Hotel by Marriott Portsmouth have connecting rooms available?

No, this hotel doesn't feature connecting guestrooms.

Where is the closest airport to AC Hotel by Marriott Portsmouth?

The closest major airport to AC Hotel by Marriott Portsmouth is Portsmouth, NH (PSM-Portsmouth Intl.), which is 4.2 mi away (14 minutes by car). Another top airport is Sanford, ME (SFM-Sanford Seacoast Regional), which is located 28.8 mi away (34-minute drive).

Are there rooms with balconies that I can book at AC Hotel by Marriott Portsmouth?

No, you won't find guestrooms with balconies at AC Hotel by Marriott Portsmouth.

AC Hotel by Marriott Portsmouth Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 722 out of 1000 reviews
Rating 8 - Good. 164 out of 1000 reviews
Rating 6 - Okay. 57 out of 1000 reviews
Rating 4 - Poor. 36 out of 1000 reviews
Rating 2 - Terrible. 21 out of 1000 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

9.0/10

Amenities

9.6/10

Property conditions & facilities

Reviews

10/10 Excellent

christopher

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
great porperty if you are spending a night or weekend in Portsmouth.
Stayed 1 night in Nov 2025

10/10 Excellent

Inga

Liked: Cleanliness, amenities, property conditions & facilities
The room was amazing..corner suite spacious and comfortable. Very clean
Stayed 2 nights in Feb 2026

8/10 Good

Chihiro, Corning

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Very clean, modern and beautiful.
Stayed 1 night in Feb 2026

10/10 Excellent

LEIF

Stayed 1 night in Feb 2026

10/10 Excellent

Bradford

Liked: Cleanliness, staff & service, amenities
Room was perfect
Stayed 1 night in Feb 2026

10/10 Excellent

Danielle

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Our room was spotless , staff we're very nice.
Stayed 1 night in Feb 2026

10/10 Excellent

Austin

Traveled with partner
Liked: Cleanliness, property conditions & facilities
Such a great experience. Staff was friendly and the room was excellent.
Stayed 1 night in Feb 2026

10/10 Excellent

Debra

Stayed 2 nights in Feb 2026

10/10 Excellent

Jean

Liked: Cleanliness, amenities, property conditions & facilities
Staff were friendly and helpful. Hotel was clean and welcoming
Stayed 1 night in Dec 2025

6/10 Okay

Peter

Liked: Cleanliness, staff & service, amenities
Room was nice, but I paid for a Harborview and there was no view only of a cemetery hotels should change their descriptions leading you on
Stayed 4 nights in Feb 2026

10/10 Excellent

Fritz

Liked: Cleanliness, staff & service, amenities
The room was clean. Very accommodating staff. Lobby vibe was first-rate. Great lounge area with fireplace and the rooftop restaurant was very exceptional.
Stayed 1 night in Feb 2026

10/10 Excellent

Jane

Traveled with family
Liked: Cleanliness, staff & service, amenities
Spotless room and very courteous and helpful staff
Stayed 1 night in Jan 2026

10/10 Excellent

Pam

Liked: Cleanliness, amenities, property conditions & facilities
Great place to stay! Hotel was very clean and beautifully decorated. Staff was awesome especially Kaylie at the front desk, so kind and helpful. Also enjoyed chatting with the girl bartender at the rooftop restaurant. Will definitely be returning in the future!
Stayed 1 night in Feb 2026

10/10 Excellent

Dena

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Excellent stay! The staff was outstanding, great service and very friendly! The rooms are very clean, nice shower and comfortable bedding. The rooftop bar was decorated beautifully for the winter season! Definitely recommend 👏
Stayed 1 night in Jan 2026

10/10 Excellent

Gina

Liked: Cleanliness, staff & service, amenities
The staff were great and the rooms were updated and quiet.
Stayed 1 night in Jan 2026

10/10 Excellent

Charles

Stayed 1 night in Jan 2026

10/10 Excellent

Marya

Traveled with family
Liked: Cleanliness, staff & service, amenities
Absolutely exceptional customer service across the board. This should be your first choice hotel in Portsmouth.
Stayed 1 night in Jan 2026

10/10 Excellent

DANA RENEE, HAMILTON

Business traveler
Liked: Cleanliness, amenities, property conditions & facilities
Everyone was friendly. The breakfast was amazing and Alyana is top notch! The perks make you feel special too…free specialty cocktails each evening, 1/2 off an appetizer, $25 meal credit. The valet service is really convenient too! All around great place to stay! Will be back!
Short ribs at Envio
Complimentary espresso martini
Beautiful rooftop bar
Delicious breakfast
Stayed 5 nights in Jan 2026

10/10 Excellent

Benjamin

Stayed 1 night in Jan 2026

10/10 Excellent

Karin

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Beautiful hotel in walking distance to everything. Love the rooftop bar and the gym.
Stayed 1 night in Dec 2025

10/10 Excellent

Steve

Stayed 2 nights in Jan 2026

6/10 Okay

Sean

Traveled with group, Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Layout was bad, very segmented lobby and first floor. Elevators were down for 1 day which made things difficult, stairs are all located outside
Stayed 2 nights in Dec 2025

10/10 Excellent

patricia

Stayed 1 night in Dec 2025

8/10 Good

vanessa

Stayed 2 nights in Dec 2025

4/10 Poor

Robert

Disliked: Room comfort
The room was supposed to be a king bed it was a queen which they consider a king.The heat in the room was insufficient. We have stayed there 6 times prior never stay there again. We travel a lot very disappointed with the accommodations there.
Stayed 2 nights in Dec 2025

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