AC Hotel by Marriott Portsmouth Downtown/Waterfront
299 Vaughan Street, Portsmouth
Checking price…
Top-rated service
Guests rate service 9.6/10.
Guests loved it
Helpful staff
Popular amenities
About AC Hotel by Marriott Portsmouth Downtown/Waterfront
Modern Accommodations and Convenient Location
Luxurious Amenities for a Relaxing Stay
Nearby Attractions and Easy Airport Access
To experience the perfect blend of modern comfort and convenience, book your stay at AC Hotel by Marriott Portsmouth Downtown/Waterfront. With a fitness centre, private parking, and a restaurant on-site, along with free WiFi and a 24-hour front desk, your every need is catered to. Relax in the in-house bar or get work done in the business area. Explore nearby attractions like Ogunquit Playhouse and Mount Agamenticus, all just a short distance away. And with the Portsmouth International at Pease Airport nearby, your travels are made easy. Book now for an unforgettable stay!
Good to know about AC Hotel by Marriott Portsmouth Downtown/Waterfront
Check-in
04:00 PM
Check-out
11:00 AM
Pets
Allowed
Children
Welcome
How AC Hotel by Marriott Portsmouth Downtown/Waterfront's price works
One flat fee
The price is what the hotel charges us plus one small, flat service fee — the same for every guest.
No surveillance pricing
We never use your device, location or browsing history to decide what you pay.
All-in, no surprises
Taxes and known fees are shown up front. What you see is what you book.
AC Hotel by Marriott Portsmouth Downtown/Waterfront reviews
Very good
234 reviews · updated January 2026
Guests loved
- + Helpful staff
- + Clean facilities
Worth noting
- – Extra charges
- – Noise from construction
Things to do near AC Hotel by Marriott Portsmouth Downtown/Waterfront
299 Vaughan Street, Portsmouth
Open in Google Maps ↗AC Hotel by Marriott Portsmouth Downtown/Waterfront property amenities
Internet
- WiFi available
- Free WiFi
Parking & transportation
- Parking
- Private parking
Pools, spa & fitness
- Fitness facilities
- Fitness center
Food & drink
- Restaurant
- Bar
- Shared lounge/TV area
- Snack bar
- Coffee Shop on site
Family
- Family rooms
- Kid meals
Accessibility
- Facilities for disabled guests
Services & conveniences
- 24-hour front desk
- Lift / Elevator
- Laundry
- Luggage storage
- Safety deposit box
- Fax/photocopying
- Dry cleaning
- ATM/cash machine on site
- Staff adhere to local safety protocols
- Laundry washed per local authority guidelines
Climate & comfort
- Non-smoking rooms
- Air conditioning
- Heating
- Non-smoking throughout
More
- Business center
- Pets allowed
- Express check-in/check-out
- Cycling
- Meeting/banquet facilities
- Minimarket on site
- Special diet menus - on request
- Allergy-free room
- Electric vehicle charging station
- Outdoor furniture
- Wine/champagne
- Guest rooms disinfected between stays
AC Hotel by Marriott Portsmouth Downtown/Waterfront room amenities
Bedroom
- Safety deposit box
Bathroom
- Shower
- Hair dryer
- Toilet
- Private bathroom
Entertainment
- TV
Food & drink
- Coffee/tea maker
- Refrigerator
- Microwave
Internet & phone
- Telephone
Comfort
- Air conditioning
- Heating
More
- Hearing accessible
- Desk
Frequently asked questions about AC Hotel by Marriott Portsmouth Downtown/Waterfront
What are the check-in and check-out times at AC Hotel by Marriott Portsmouth Downtown/Waterfront?
Check-in starts at 04:00 PM and check-out is by 11:00 AM.
Does AC Hotel by Marriott Portsmouth Downtown/Waterfront have WiFi?
WiFi is available at AC Hotel by Marriott Portsmouth Downtown/Waterfront. Check your room's details for whether it's free or carries a charge.
Is parking available at AC Hotel by Marriott Portsmouth Downtown/Waterfront?
Yes, parking is available at AC Hotel by Marriott Portsmouth Downtown/Waterfront. A fee may apply — see the property's important information.
Is there a gym at AC Hotel by Marriott Portsmouth Downtown/Waterfront?
Yes, AC Hotel by Marriott Portsmouth Downtown/Waterfront has fitness facilities.
Does AC Hotel by Marriott Portsmouth Downtown/Waterfront have a restaurant?
Yes, there is on-site dining at AC Hotel by Marriott Portsmouth Downtown/Waterfront. There's also a bar or lounge.
Do the rooms at AC Hotel by Marriott Portsmouth Downtown/Waterfront have air conditioning?
Yes, rooms at AC Hotel by Marriott Portsmouth Downtown/Waterfront have air conditioning.
Is AC Hotel by Marriott Portsmouth Downtown/Waterfront wheelchair accessible?
AC Hotel by Marriott Portsmouth Downtown/Waterfront offers facilities for guests with disabilities. Contact the property to confirm the specifics for your needs.
Is AC Hotel by Marriott Portsmouth Downtown/Waterfront pet-friendly?
Yes, pets are allowed at AC Hotel by Marriott Portsmouth Downtown/Waterfront.
Is AC Hotel by Marriott Portsmouth Downtown/Waterfront family-friendly?
Yes, AC Hotel by Marriott Portsmouth Downtown/Waterfront welcomes families and offers family facilities.
Is AC Hotel by Marriott Portsmouth Downtown/Waterfront non-smoking?
Yes, AC Hotel by Marriott Portsmouth Downtown/Waterfront is non-smoking throughout.
How far is AC Hotel by Marriott Portsmouth Downtown/Waterfront from Honolulu airport (HNL)?
It's about 5087 mi (straight-line) from Honolulu airport (HNL).
What's the closest beach to AC Hotel by Marriott Portsmouth Downtown/Waterfront?
The nearest is Lanikai Beach, about 5073 mi away (straight-line).
What is the cancellation policy at AC Hotel by Marriott Portsmouth Downtown/Waterfront?
It depends on the rate you pick — many rooms at AC Hotel by Marriott Portsmouth Downtown/Waterfront offer free cancellation. You'll see each room's exact policy before you book.
Are there extra fees at AC Hotel by Marriott Portsmouth Downtown/Waterfront?
Any mandatory property fees are shown in your all-in total before you book — no surprises at checkout.
What guest services does AC Hotel by Marriott Portsmouth Downtown/Waterfront offer?
AC Hotel by Marriott Portsmouth Downtown/Waterfront offers services such as laundry, luggage storage.
Is AC Hotel by Marriott Portsmouth Downtown/Waterfront a good place to stay?
Guests rate it 8.8/10 (Very good) across 234 reviews.
How does pricing work at AC Hotel by Marriott Portsmouth Downtown/Waterfront on travelpluscost?
One honest price: what the hotel charges us plus one small flat fee — the same for everyone, never based on your data. No hidden markup and no fake discounts.
AC Hotel by Marriott Portsmouth Downtown/Waterfront policies
Internet
WiFi is available in all areas and is free of charge.
Children and extra bed policy
Children of any age are allowed. You haven't added any cots. You haven't added any extra beds.
Pets
Pets are allowed. Charges may be applicable.
Parking
Private parking is possible on site (reservation is not needed) and costs USD 40 per day.
You need to know about AC Hotel by Marriott Portsmouth Downtown/Waterfront
Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply. A deposit may be required at the property.
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