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AC Hotel by Marriott Portsmouth

3.5 star property

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Photo gallery for AC Hotel by Marriott Portsmouth

A modern building with large glass windows, a covered walkway, and a view of the cityscape at dusk.
A modern bar area with a long counter, bar stools, and decorative wall art.
Restaurant
Property amenity
Lobby

Reviews

9.2 out of 10
Wonderful

Popular amenities

  • Pet-friendly
  • Free Wi-Fi
  • 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, Prescott Park
    ‪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 Wi-Fi

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 Wi-Fi

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 Wi-Fi

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 Wi-Fi

View all photos for Room, 2 Queen Beds

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

Room, 2 Queen Beds

10.0 out of 10
Exceptional
(1 review)
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

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 4
  • 2 Queen Beds
  • Free Wi-Fi

View all photos for Suite, 1 Bedroom

Flat-screen TV

Suite, 1 Bedroom

  • 1 bedroom
  • Sleeps 3
  • 1 King Bed
  • Free Wi-Fi

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 Wi-Fi

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 Wi-Fi

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Lobby
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  • Pool
  • Breakfast included
  • Pet-friendly
  • Free Wi-Fi
4.7 out of 5, Exceptional, 1,165 reviews
The price is €202
includes taxes & fees
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Hampton Inn & Suites Portsmouth Downtown

About this property

AC Hotel by Marriott Portsmouth

Along with a restaurant, this smoke-free hotel has 2 bars/lounges and a 24-hour fitness centre. WiFi in public areas is free. Other amenities include valet parking, free use of bicycles and dry cleaning. Housekeeping is available on request.
AC Hotel by Marriott Portsmouth offers 156 accommodations with a safe and complimentary bottles of water. Flat-screen televisions come with premium cable channels. Bathrooms include complimentary toiletries and hairdryers.

This Portsmouth hotel provides complimentary wireless Internet access. Business-friendly amenities include desks, desk chairs and telephones. Additionally, rooms include coffee/tea makers and an iron/ironing board. Hypo-allergenic bedding, change of towels and change of bedsheets can be requested. Housekeeping is provided on a daily basis.

Recreational amenities at the hotel include a 24-hour fitness centre and complimentary bicycles.

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

Our customers tell us that they can't get enough of the helpful staff at AC Hotel by Marriott Portsmouth. During your stay, you're just a quick walk from Market Square. You'll find features such as free WiFi in public areas, plus 2 bars and a restaurant.
  • Free WiFi
  • Enjoy a bite to eat at the restaurant
  • Buffet breakfast served daily for a fee
  • Valet parking available for a fee
  • Amenities include newspapers, a front desk safe and 10 meeting rooms
  • On-site recreation includes a 24-hour gym and complimentary bicycles
  • Guests speak favourably about the area's walkability and the bar
  • Within a 15-minute walk of The Music Hall and Prescott Park
  • Pets welcome for a fee (restrictions apply)
AC Hotel by Marriott Portsmouth offers its guests a 24-hour fitness centre and complimentary bicycles. There's a restaurant on site. You can unwind with a drink at one of the 2 bars/lounges. Public spaces have free WiFi.

There are 10 meeting rooms available. The business-friendly AC Hotel by Marriott Portsmouth also features gift shops/newsstands, laundry facilities, and dry cleaning/laundry services. For a fee, parking is available.

This 3.5-star Portsmouth hotel is smoke free.

For a fee, guests can enjoy buffet breakfast on weekdays from 6:00 AM to 10:30 AM and at the weekend from 7:00 AM to 11:00 AM.
AC Kitchen – On-site restaurant.
AC Lounge – On-site lobby lounge. Open selected days.
Rooftop at the Envio – On-site rooftop bar. Open daily.

Property amenities

Internet

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

Parking and transport

  • Electric car charging station on site
  • Height restrictions apply for on-site parking
  • Onsite parking available only on request
  • Secured, covered valet parking on site (USD 45 per night; includes in/out privileges)
  • Limited on-site valet parking
  • 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
  • Handrails in stairways (91 centimetre high)
  • Height-adjustable showerhead
  • Lever door handles
  • Lift (107 centimetre wide door)
  • 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 lift
  • Wheelchair-accessible public bathroom
  • Wheelchair-accessible registration desk (86 centimetre high)
  • Wheelchair-accessible restaurant
  • Wheelchairs on site

More

  • 5 floors
  • Banquet hall
  • Built in 2019
  • Double-glazed windows
  • No plastic coffee stirrers
  • No plastic drinking straws
  • Rooftop garden
  • Smoking not allowed
  • Some LED lighting used
  • 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
  • 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
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

  • Pets: USD 100.00 per accommodation, per stay
  • Weight limit: 100 lb per pet
  • Pets cannot be left unattended
  • Restrictions apply
  • For more information, you can reach out to the property at the number on the booking confirmation
    • Service animals are exempt from fees.

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types at the property

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Destination fee: USD 27.13 per accommodation, per night.

We've listed all charges provided to us by the property.

Optional extras

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

  • Fee for buffet breakfast: approximately USD 22 to 22 for adults and USD 12 to 12 for children
  • 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 may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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 on-site 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)
Front desk staff will greet guests on arrival at the property.
If you cancel your booking, you'll be subject to the host's cancellation policy. In accordance with EU regulations about consumer rights, property booking services are not subject to the right of withdrawal.

We should mention

  • Registered guests are the only ones allowed to be in guestrooms.
  • To make arrangements to bring your pet, contact the property directly at the number on your booking confirmation (please see the Fees section for related charges).
  • 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

AC Hotel by Marriott Portsmouth Reviews

Reviews

9.2

Wonderful

Rating 10 - Excellent. 725 out of 1000 reviews
Rating 8 - Good. 162 out of 1000 reviews
Rating 6 - Okay. 56 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

Verified

10/10 Excellent

Paul

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Nice hotel
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Wendy

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Veey clean and great amenities
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Darralynn

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent hotel, I really enjoyed everthing about this hotel! The aesthetics were fabulous! I would definely stay there again.
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Danielle

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

10/10 Excellent

christopher

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
Verified

10/10 Excellent

Richard

Liked: Cleanliness, staff & service, amenities
Staff friendliness and general cleanliness stood out.
Stayed 3 nights in Feb 2026
Verified

10/10 Excellent

Martha

Liked: Cleanliness, staff & service, property conditions & facilities
Extremely friendly, efficient staff!!
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Michael

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room. Good location. Easy check in and out. Complimentary drink
Stayed 1 night in Apr 2026
Verified

10/10 Excellent

Danielle

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Easy to get to. Great staff
Stayed 2 nights in Nov 2025
Verified

10/10 Excellent

Jane

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

10/10 Excellent

Adams

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Overall awesome
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

James

Liked: Cleanliness, staff & service, amenities
Great
Stayed 1 night in Apr 2026
Verified

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
Verified

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
Verified

10/10 Excellent

Austin

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

10/10 Excellent

Megan

Liked: Cleanliness, staff & service, amenities
Spacious room and great staff.
Stayed 2 nights in Dec 2025
Verified

10/10 Excellent

Jill

Liked: Cleanliness, staff & service, property conditions & facilities
Disliked: Amenities
Only stayed for one night for a comedy show. Was walking distance to everything downtown. Place was really nice, clean, and modern. Plan on coming back to visit Poursmith again and will most likely go back to the AC.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Bradford

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

10/10 Excellent

Anthony

Liked: Amenities, property conditions & facilities
Staff at the Front Desk were friendly and organized making check-in smooth. My room was larger than expected and extremely clean.
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Yoanny

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice hotel
Stayed 2 nights in Nov 2025
Verified

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
Verified

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
Verified

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
Verified

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
Verified

10/10 Excellent

Dena

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