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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 leather chairs, a bar counter, and pendant lighting.
A modern interior with black leather chairs, a central fireplace, and shelves with plants and books.
A modern interior with a fireplace, dark furniture, and a patterned rug.
A dining area with a view of a bridge and buildings.

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

A modern hotel room with a large bed, a desk, a sofa, and a TV.

Room, 1 King Bed with Sofa bed

9.0 out of 10
Wonderful
(2 reviews)
  • 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

A modern hotel room with a large bed, a desk, a sofa, and a TV.

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

A modern hotel room with a large bed, a desk, a sofa, and a TV.

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

A modern hotel room with a large bed, a desk, a sofa, and a TV.

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

A hotel room with two beds, a desk, a chair, and a large window with curtains.

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

A hotel room with two beds, a desk, a chair, and a large window with curtains.

Room, 2 Queen Beds, Hearing Accessible

  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

View all photos for Suite, 1 Bedroom

A modern living room with a flat-screen TV, dark leather sofas, a round coffee table, and a dining area with a bar stool.

Suite, 1 Bedroom

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

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

A modern living room with a flat-screen TV, a sofa, a chair, a small table, and a decorative wall piece.

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

A modern living room with a flat-screen TV, a sofa, a chair, a small table, and a decorative wall piece.

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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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 center. 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 safes and complimentary bottled water. Flat-screen televisions come with premium cable channels. Bathrooms include complimentary toiletries and hair dryers.

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

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.

Our customers tell us 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 like 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
  • Onsite recreation includes a 24-hour gym and complimentary bicycles
  • Guests speak favorably 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 center 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 on weekends from 7:00 AM to 11:00 AM.
AC Kitchen - Onsite restaurant. Open daily.
AC Lounge - Onsite lobby lounge. Open select days.
Rooftop at the Envio - Onsite 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 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

  • Pets: USD 100.00 per accommodation, per stay
  • Weight limit: 100 lbs 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.
  • Cribs (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
  • 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 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 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)
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. 727 out of 1009 reviews
Rating 8 - Good. 163 out of 1009 reviews
Rating 6 - Okay. 59 out of 1009 reviews
Rating 4 - Poor. 36 out of 1009 reviews
Rating 2 - Terrible. 24 out of 1009 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

9.0/10

Amenities

9.6/10

Property conditions & facilities

Reviews

Verified review

10/10 Excellent

Susan

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great experience would stay again anytime in the area.
Stayed 1 night in May 2026
Verified review

10/10 Excellent

Stephen

Liked: Cleanliness, staff & service, amenities
Breakfast buffet was wonderful.
Stayed 1 night in Apr 2026
Verified review

8/10 Good

Kevin J

Liked: Cleanliness, staff & service, property conditions & facilities
Clean room , good location - close to restaurants & bridge to Kittery.
Stayed 2 nights in Apr 2026
Verified review

10/10 Excellent

Marc

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean rooms and great staff
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Lisa

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent location-walking distance to downtown. Spacious rooms, very friendly and accommodating staff. Definitely will stay here again.
Stayed 2 nights in Apr 2026
Verified review

10/10 Excellent

Kyle

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Good location. Nice proximity to dining and shops. Staff was great.
Stayed 3 nights in Apr 2026
Verified review

10/10 Excellent

David

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Amazing Breakfast
Stayed 1 night in May 2026
Verified review

10/10 Excellent

Paul

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

10/10 Excellent

Wendy

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

10/10 Excellent

Janet

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very clean property. Friendly and helpful staff. Breakfast buffet was reasonably priced, good quality, and plentiful. Quiet room. Would stay again!
Stayed 2 nights in Apr 2026
Verified review

10/10 Excellent

Michael

Liked: Cleanliness, staff & service, property conditions & facilities
Easy check in, terrific staff and lobby was very nice with a bar. Breakfast was amazing both days. Valet service made the parking situation convenient. Terrific location
Stayed 2 nights in Mar 2026
Verified review

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 review

8/10 Good

Shawn

Liked: Cleanliness, staff & service, property conditions & facilities
Very nice place Simpl bed wasn't perfect
Stayed 1 night in Apr 2026
Verified review

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 review

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 review

10/10 Excellent

Richard

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

10/10 Excellent

Michael

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Went to town for a show at 3S Artspace. Hotel was next door. Beautiful facility and very nice rooms. Unfortunately not really affordable in the summer time. Great for an off season trip.
Stayed 1 night in Mar 2026
Verified review

10/10 Excellent

Martha

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

10/10 Excellent

Jane

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

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 review

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 review

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 review

10/10 Excellent

Megan

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

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 review

10/10 Excellent

Adams

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