AC Hotel by Marriott Portsmouth Downtown / Waterfront

299 Vaughan St., Portsmouth, NH 03801 United States (USA) near Exit 7 (16) on I-95 (~0.7mi)
View Map Reservations: 1-800-219-2797
3.5 Star Property
43.079746-70.762420
+1-800-219-2797
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Check availability
  • Access to gym on-site
  • 156 sleeping rooms in hotel
  • 5 floors in property
  • 9 suites in property
  • Check in: 15:00
  • Check out: 15:00
  • Hotel has a green policy
  • Groups/Meetings rating of 7.3/10
  • 5 meeting rooms in property

Check Current Prices






Standard prices by room type for the next 60 days

Rates shown are nightly rates before taxes and do not necessarily reflect all discounts available. The chart provides the cheapest public rates available by room type.

Room Types

Check Rates1 King Bed Sofa
Non-Smoking
Check Rates1 King Bed with Sofa Bed
Non-Smoking
Check Rates1 King Sofa Bed Refrigerator 320sqft 29sqm Wireless Internet Complimentary Coffee Tea
Non-Smoking

Local Attractions

Portsmouth NH is filled with numerous restaurants and bars, historical sites and modern art galleries. We are minutes from local beaches and an hour from the mountains for skiing and hiking.

Verified Reviews of AC Hotel by Marriott Portsmouth

Below are the verified reviews from guests that we have booked recently:
"Great staff, overall good experience."
Overall Score4.0/ 5
Rooftop restaurant and first floor fireplace bar were excellent. Front desk and dining staff were superb.
(Individual traveler, booked 1 room), from US flag
20-Jan-2025 Verified Review, stayed from Fri Jan 17 to Mon Jan 20 2025 at a $214.33 average nightly rate.
"Perfect spot for parents of the bride."
Overall Score4.0/ 5
Great staff and wonderful, comfortable room. Loved the pillows.
(Individual traveler, booked 1 room), from US flag
30-Jun-2024 Verified Review, stayed from Thu Jun 27 to Sat Jun 29 2024 at a $348.49 average nightly rate.
"Everything was very nice."
Overall Score5.0/ 5
We had a good time. The all you can eat breakfast was really good!
(Individual traveler, booked 1 room), from US flag
29-May-2024 Verified Review, stayed from Fri May 24 to Sun May 26 2024 at a $352.99 average nightly rate.
"Staff was great, hotel was very nice. "
Overall Score4.0/ 5
Staff was great, hotel was very nice.
(Individual traveler, booked 1 room), from US flag
24-Mar-2024 Verified Review, stayed from Sat Mar 23 to Sun Mar 24 2024 at a $309.00 average nightly rate.

Property Description

The AC Hotel Portsmouth merges a modern, urban vibe with its seaside heritage. Guests can enjoy a European-inspired breakfast at the AC Kitchen, complimentary WiFi, fitness center, and over 8,000 square feet of dynamic meeting space topped by a Rooftop bar. Within walking distance, guests can explore the bustling waterfront and Market Square, the historic downtown area filled with restaurants, galleries, shops, and entertainment. Visit historic landmarks such as the Strawbery Banke Museum, enjoy an outdoor concert at Prescott Park, catch a live show at The Music Hall or plan a shopping adventure just over the Piscataqua River at the Kittery Shopping Outlets. Outdoor adventures such as kayaking, paddle boarding or boating tours to the Isles of Shoals are located moments from the hotel. Unfold a historic, enriching stay at one of New England's most charming seaside cities, centrally located just 1 hour north of Boston and 1 hour south of Portland, ME.

Green Sustainability

Yes Marriott Green Choice Program

Details / Other Expenses

Check In: 15:00
Check Out: 15:00
Floors: 5
Rooms: 156
Corridors: All Rooms Have Interior Hallways
Non Smoking Rooms: 156
Handicap Rooms: 20
Rooms with 1 Bed: 124
Rooms with 2 Beds: 32
Suites: 9
Room Windows: Windows Do Open
Cleaning Frequency: Daily
Meeting Rooms: 5 View Spaces
Meeting Space: 8300 sq. feet
Banquet Space: Holds 298 people
Dist. to Food/Bars: On-site
Dist. to 24hr Restaurant: 2.0 Mi
Dist. to Nearest Gym: On-site
FEMA Approved: Yes
Pool Info: no pool on site
Ownership: Colwen Management
Policies / Expenses
Cancellation:
48 hours for individual guestrooms
Nightly Parking: 30
Total Taxes: 9.00%
Total Misc Fees: $0.00 USD
(mandatory resort fees/taxes)
Occupancy Tax: 9.00%
Food and Beverage Tax: 9.00%
Parking Fee: 30.00 Per Night (Valet)
Food and Beverage Service Charge: 20.00%
Audio Visual Service Charge: 20.00%
Banquet Bartender Fees: 75.00 Per Item
Chef Attendant Fees: 125.00 Per Item
Avg. Continental Breakfast Cost: 17.00 Per Person
Avg. Buffet Breakfast Cost: 23.00 Per Person
Avg. Plated Lunch Cost: 25.00 Per Person
Avg. Buffet Lunch Cost: 28.00 Per Person
Avg. Boxed Lunch Cost: 24.00 Per Person
Avg. Plated Dinner Cost: 54.00 Per Person
Avg. Buffet Dinner Cost: 57.00 Per Person
Morning Break Cost: 13.00 Per Person
Afternoon Break Cost: 11.00 Per Person
Banquet Soda: 5.00 Per Person
Banquet Bottled Water: 6.00 Per Person
Banquet Reception w Hors d'oeuvres: 11.00 Per Person/Per Hour

Amenities / Features


  • Air conditioning
  • Alarm clock
  • ATM
  • Central location
  • Complimentary newspaper
  • Conference facilities
  • Credit card accepted: Mastercard/Visa
  • Credit card accepted: American Express
  • Credit card accepted: Discover
  • Credit card accepted: Diners Club
  • Credit card accepted: JCB
  • Dinner available
  • Electric Car Charging Station
  • Electronic key card
  • Elevator
  • Express Check-Out
  • Facilities for the disabled
  • Fax available
  • Fitness and health center
  • Free local calls
  • Handicap accessible
  • Central heating
  • Ice Maker
  • Internet - wireless
  • Free WiFi Internet
  • Ironing facilities
  • Laundry valet service
  • Licensed bar
  • Non-smoking rooms
  • 24 hours opened
  • Office or business center
  • Private bathroom in room
  • Refrigerator
  • Restaurant
  • Safe in rooms
  • Self controlled heating/cooling system
  • Shower
  • Tea and coffee making facilities
  • Telephone
  • Telephone in all rooms
  • Telephone - Free local calls
  • Television
  • TV - Free Cable
  • TV Channel: HBO
  • TV Channel: Weather Channel
  • TV Channel: Discovery Channel
  • TV room
  • Valet Parking
  • Voicemail

Pet Friendly?

Service animals complying with ADA Title lll regulations are allowed.

Sorry, pets are not allowed.

Parking Info

Valet Parking $30 over night. Public Parking - Foundry Place Garage .75 per hour.

Internet / WiFI

Complimentary Wi-Fi throughout hotel.

Suggested AI Generated Itinerary

    Day 1

  • Breakfast: Colby's Breakfast & Lunch - Start your day with a hearty breakfast at this cozy diner. Located 0.3 miles from the hotel.
  • Lunch: The Friendly Toast - Indulge in creative comfort food and delicious milkshakes. Located 0.7 miles from the hotel.
  • Dinner: The Black Trumpet Bistro - Enjoy a fine dining experience with a Mediterranean-inspired menu. Located 0.5 miles from the hotel.
  • Activity: Strawbery Banke Museum - Explore the living history museum showcasing 400 years of American history. Located 0.4 miles from the hotel.

    • Day 2

  • Breakfast: Popovers on the Square - Enjoy freshly baked pastries and breakfast classics in a charming setting. Located 0.2 miles from the hotel.
  • Lunch: The Portsmouth Brewery - Savor craft beers and delicious pub fare at this local brewery. Located 0.3 miles from the hotel.
  • Dinner: Moxy - Experience modern American cuisine with a twist in a vibrant atmosphere. Located 0.6 miles from the hotel.
  • Activity: Isles of Shoals Steamship Company - Embark on a scenic cruise to the beautiful Isles of Shoals. Located 0.5 miles from the hotel.

    • Day 3

  • Breakfast: Café Espresso - Start your day with a cup of coffee and a freshly baked pastry at this cozy café. Located 0.3 miles from the hotel.
  • Lunch: The District - Enjoy a variety of gourmet sandwiches and salads at this trendy eatery. Located 0.6 miles from the hotel.
  • Dinner: Ristorante Massimo - Delight in authentic Italian cuisine in an elegant setting. Located 0.4 miles from the hotel.
  • Activity: Prescott Park - Explore the beautiful waterfront park with gardens, live performances, and scenic views. Located 0.7 miles from the hotel.

Previously known as:
AC by Marriott Portsmouth, AC Hotel by Marriott Portsmouth

Meeting Rooms and Banquet Rooms at AC Hotel by Marriott Portsmouth Downtown / Waterfront

Below are the meeting, banquet, conference and event spaces at AC Hotel by Marriott Portsmouth Downtown / Waterfront.

Feel free to use the AC Hotel by Marriott Portsmouth Downtown / Waterfront meeting space capacities chart below to help in your event planning. Hotel Planner specializes in Portsmouth event planning for sleeping rooms and meeting space for corporate events, weddings, parties, conventions, negotiated rates and trade shows.

Meeting Room Name L x W x H
(Feet)		 Size
(sqft.)		 Banquet
5'/6'
Banquet Space Layout		 Crescent
Crescent Tables Layout		 Classroom
Classroom Meeting Layout		 Hollow
Square
Hollow Square Table Layout		 U-Shape
U Shape Meeting Layout		 Boardroom
Boardroom Meeting Space		 Convention
8'/10'
Convention Booth Layout		 Theater
Theater Layout		 Reception
Reception Desk for Meeting		 Regist.
Desk
Registration Desk for Meeting
Marea 55 x 26 x 10 1485--/--------------/--------
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Marea

Room Type:
General Meeting Room
Total Size:
1485 Sq. Mi
Dimensions:
55 x 26 x 10 Ft.
Floor Level:
1
Power Outlets:
12
Columns:
0
Windows:
6
Natural Light?:
Yes
Obstructions?
No
Built In Screens?
No
Built In Stage?
No
Built In A/V?
No
Amenities Available
  • Coffee/Tea Setup
  • Food/Beverage
  • Projection Equip.
  • TV/VCR/DVD
  • WIFI Internet
  • Podium
  • LAN Internet
  • Microphone
  • Teleconferencing
  • White Board
  • Video Conference
  • Flip Chart
  • Air Conditioning
  • Computer Rentals
  • Simultaneous Interpretation
  • Sound System
Raynes 19 x 15 x 10 285--/----------12--/--------
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Raynes

Room Type:
Boardroom
Total Size:
285 Sq. Mi
Dimensions:
19 x 15 x 10 Ft.
Floor Level:
1
Power Outlets:
10
Columns:
0
Windows:
0
Natural Light?:
No
Obstructions?
No
Built In Screens?
Yes
Built In Stage?
No
Built In A/V?
Yes
Amenities Available
  • Coffee/Tea Setup
  • Food/Beverage
  • Projection Equip.
  • TV/VCR/DVD
  • WIFI Internet
  • Podium
  • LAN Internet
  • Microphone
  • Teleconferencing
  • White Board
  • Video Conference
  • Flip Chart
  • Air Conditioning
  • Computer Rentals
  • Simultaneous Interpretation
  • Sound System
The Envio 86 x 51 x 12 4386--/--------------/--------
Close This

The Envio

Room Type:
General Meeting Room
Total Size:
4386 Sq. Mi
Dimensions:
86 x 51 x 12 Ft.
Floor Level:
3
Power Outlets:
15
Columns:
0
Windows:
6
Natural Light?:
Yes
Obstructions?
No
Built In Screens?
No
Built In Stage?
No
Built In A/V?
Yes
Amenities Available
  • Coffee/Tea Setup
  • Food/Beverage
  • Projection Equip.
  • TV/VCR/DVD
  • WIFI Internet
  • Podium
  • LAN Internet
  • Microphone
  • Teleconferencing
  • White Board
  • Video Conference
  • Flip Chart
  • Air Conditioning
  • Computer Rentals
  • Simultaneous Interpretation
  • Sound System
Media Salon A 11 x 9 x 10 99--/--------------/--------
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Media Salon A

Room Type:
Boardroom
Total Size:
99 Sq. Mi
Dimensions:
11 x 9 x 10 Ft.
Floor Level:
1
Power Outlets:
4
Natural Light?:
No
Obstructions?
No
Built In Screens?
No
Built In Stage?
No
Built In A/V?
Yes
Amenities Available
  • Coffee/Tea Setup
  • Food/Beverage
  • Projection Equip.
  • TV/VCR/DVD
  • WIFI Internet
  • Podium
  • LAN Internet
  • Microphone
  • Teleconferencing
  • White Board
  • Video Conference
  • Flip Chart
  • Air Conditioning
  • Computer Rentals
  • Simultaneous Interpretation
  • Sound System
Media Salon B 11 x 9 x 10 99--/--------------/--------
Close This

Media Salon B

Room Type:
Boardroom
Total Size:
99 Sq. Mi
Dimensions:
11 x 9 x 10 Ft.
Floor Level:
1
Power Outlets:
4
Columns:
0
Natural Light?:
No
Obstructions?
No
Built In Screens?
No
Built In Stage?
No
Built In A/V?
Yes
Amenities Available
  • Coffee/Tea Setup
  • Food/Beverage
  • Projection Equip.
  • TV/VCR/DVD
  • WIFI Internet
  • Podium
  • LAN Internet
  • Microphone
  • Teleconferencing
  • White Board
  • Video Conference
  • Flip Chart
  • Air Conditioning
  • Computer Rentals
  • Simultaneous Interpretation
  • Sound System
Check meeting space Prices or Need sleeping rooms? Get Portsmouth group rates
Planning an Event? Portsmouth Hotel RFP Request for Proposal | Find Meeting Space | Meeting Space Calculator

FAQs about AC Hotel by Marriott Portsmouth

What time is check in?

Check in time is 15:00 based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.

What time is check out?

Check out time is 15:00 based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.

How many rooms does AC Hotel by Marriott Portsmouth have?

There are 156 sleeping rooms in the hotel.

Is there any meeting space at AC Hotel by Marriott Portsmouth?

Yes, they have 5 meeting rooms that can support various table layouts.

What parking is available at AC Hotel by Marriott Portsmouth?

Valet Parking $30 over night. Public Parking - Foundry Place Garage .75 per hour.

How much does internet cost?

Complimentary Wi-Fi throughout hotel.

Can I get a AAA rate at AC Hotel by Marriott Portsmouth?

Sorry, this hotel does not offer AAA hotel discounts at this time.

Can I get a Senior or AARP rate at AC Hotel by Marriott Portsmouth?

Sorry, this hotel does not offer senior hotel discounts at this time.

Is there a gym at AC Hotel by Marriott Portsmouth?

Yes, there is a gym/fitness area available on-site at the property.

Testimonials:

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"I had previously spent several hours online comparing hotels and could have saved lots of time just using your site. Thanks for your quick response!" M.G. - Rio Rancho, NM

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