Book directly & pay
up to 10% less
than on Booking.com
Check rooms and rates
From157US$ /night
Check-in
08Jan2026Select date
Check-out
09Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
-
Close to the waterfront
Great
8.5
9.1
/10
4.1
/5

The 4-star Ac Hotel By Marriott Portsmouth Downtown/Waterfront is within 20 minutes' walk of Strawbery Banke Museum in Portsmouth and boasts 2 bars. Boasting a location only a few feet from Market Square, this hotel offers 173 rooms and a lounge bar onsite.

Location

The non-smoking hotel is located in a business area of Portsmouth, within 3 miles of Kittery Premium Outlets. USS Albacore Museum is only a few steps from the property, while Russell Street bus stop is approximately 5 minutes' walk away.

The hotel is located 0.2 miles from Port of Portsmouth Maritime Museum in Portsmouth.

For those traveling from afar, Pease International Tradeport airport is 25 minutes' drive away.

Rooms

An ironing set and air conditioning, along with tea and coffee-making facilities, provide in-room convenience at the Ac Hotel By Marriott Portsmouth Downtown/Waterfront. Bathrooms are equipped with a separate toilet and a shower, as well as comforts such as a hairdryer and bath sheets.

Eat & Drink

Breakfast is served from 7:00 AM to 11:00 AM on weekends. AC Kitchen, an onsite restaurant, is open for breakfast.

Leisure & Business

This Portsmouth accommodation provides a shared lounge and various recreational opportunities. Guests can work out in a fitness area. The Ac Hotel By Marriott Portsmouth Downtown/Waterfront also provides a meeting room for those arriving on business.

“AC Hotel Portsmouth occupies a sweet spot downtown, and based on what I've seen, its seaside-meets-urban design works well for business and leisure travelers. The rooftop bar seems like a real draw, and the European-inspired dining gives it a distinct touch. I think this hotel could be an excellent choice for exploring the waterfront or hosting events.”
Hotel logo
Emily RoseEditor-in-Chief at Luxuryhotels
View all

Select your room type

The hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Queen Room Two Queen Beds Hearing Accessible
2 persons
28 m² 
2 King Size Beds
Shower
Heating
King Room Sofa Bed Adapted Tub Mobility Accessible
2 persons
28 m² 
1 King-size bed and 1 Sofa bed
Heating
Air conditioning
Suite 1 King Sofa bed Corner room
2 persons
37 m² 
1 King-size bed
Shower
Heating
Larger Suite 1 King Sofa bed
2 persons
45 m² 
1 King-size bed and 1 Sofa bed
Shower
Heating
Click button to see more rooms
Show all rooms
Show all roomsLess

Price and Room Availability Calendar

Check availability and prices for your dates now!

Facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

General

  • No smoking on site
  • Free Wi-Fi
  • Parking
  • Safe deposit box
  • 24-hour reception
  • Express check-in/ -out
  • Pets allowed
  • Rooms/ Facilities for disabled
  • 24-hour security
  • Luggage storage
  • Allergy-free rooms
  • Lift
  • ATM/Cash machine
  • Coffee shop
  • Smoke detectors
  • Electric vehicle charging station
  • Fire extinguishers
  • Key card access

Sports & Fitness

  • Fitness centre
  • Cycling

Services

  • Laundry
  • Dry cleaning
  • Tours/Ticket assistance
  • Shops/Commercial services
  • Welcome drink
  • Happy hour

Dining

  • Restaurant
  • Snack bar
  • Bar/ Lounge area
  • Dinner
  • Special diet menus

Business

  • Business centre
  • Meeting/ Banquet facilities
  • Fax/Photocopying

Children

  • Cots
  • Children's menu

Spa & Leisure

  • Leisure/ TV room

Room features

  • Air conditioning
  • Heating
  • Garden furniture
  • Tea and coffee facilities
  • Ironing facilities

Bathroom

  • Free toiletries

Media

  • Flat-screen TV
  • AM/FM alarm clock
Show more

Dining Onsite

At the Ac Hotel By Marriott Portsmouth Downtown/Waterfront, a delightful array of dining experiences awaits, from casual breakfasts to serene rooftop dinners. Each venue celebrates modern design and offers an inviting atmosphere, perfect for travelers seeking both comfort and a taste of local charm.
Ac Hotel By Marriott Portsmouth Downtown/Waterfront Restaurant photo
Ac Hotel By Marriott Portsmouth Downtown/Waterfront Restaurant photo
Ac Hotel By Marriott Portsmouth Downtown/Waterfront Restaurant photo

AC Kitchen

Continental breakfast
Ambiance
Bright and welcoming space perfect for morning gatherings
Key Offerings
Indulge in a buffet breakfast featuring a selection of baked goods, artisanal breads, and fresh fruit. A great start to the day, the relaxed setting encourages leisurely meals before heading out to explore.
Reservation
no
Monday to Friday: 7:00 AM - 10:00 AM; Saturday and Sunday: 8:00 AM - 11:00 AM

Rooftop at the Envio

Modern American
Ambiance
Stunning rooftop setting with sweeping views of the waterfront
Key Offerings
Dine on creative dishes while soaking in the evening ambiance. The rooftop atmosphere is perfect for winding down with friends or enjoying a romantic sunset dinner over the charming cityscape.
Reservation
recommended
Monday to Wednesday: 3:00 PM - 9:00 PM; Thursday: 12:00 PM - 9:00 PM; Friday and Saturday: 12:00 PM - 10:00 PM; Sunday: 12:00 PM - 9:00 PM

AC Lounge

Casual dining
Ambiance
Modern lounge with a relaxed, inviting atmosphere
Key Offerings
Unwind with a selection of light bites and refreshing beverages in this chic setting, designed for socializing. Perfect for a cozy evening after a day of exploring, with an in-house bar offering a variety of drinks.
Reservation
no
Monday to Wednesday: 4:00 PM - 9:00 PM; Thursday to Saturday: 4:00 PM - 10:00 PM; Sunday: 4:00 PM - 9:00 PM

Location

299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
Map view
299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
Nearby
Square
Market Square
290 m
Museum
John Paul Jones House
290 m
Garden
Moffatt-Ladd House
290 m
Gallery
Piscataqua Fine Arts Studio and Gallery
590 m
Market Square
Portsmouth Harbor Trail
290 m
Library
Portsmouth Athenaeum
290 m
Church
North Church of Portsmouth
290 m
319 Vaughan St
3S Artspace
290 m
10 Vaughan Mall #215
Portsmouth Team Building
290 m
Store
Summer Sessions Portsmouth
290 m
Gallery
NJM Gallery
290 m
Gallery
Three Graces Gallery
290 m
Restaurants
Rooftop at The Envio
0 m
299 Vaughan St
Two-Fifty Market
180 m
250 Market St
Green Elephant
340 m
35 Portwalk Pl
BRGR Bar
330 m
34 Portwalk Pl located beneath the Residence Inn
Statey Bar & Grill
330 m
238 Deer St
The Oar House
490 m
55 Ceres St
Shalimar India Restaurant
470 m
80 Hanover St
La Carreta Restaurante Mexicano
470 m
172 Hanover St
The Friendly Toast
630 m
113 Congress St
Explore Portsmouth
Explore Portsmouth
Top Attractions
Activities
Dining
Entertainment
USS Albacore Museum
USS Albacore Museum
9 minutes' walk
Nautical history focused on the USS Albacore submarine; unique exhibits and guided tours available.
Strawbery Banke Museum
Strawbery Banke Museum
20-minute walk
Living history museum featuring preserved homes; highlights include costumed interpreters and seasonal events.
Market Square
Market Square
4 minutes' walk
Vibrant gathering place with shops and eateries; perfect for people-watching and local events.
Prescott Park Theatre
Prescott Park Theatre
20-minute walk
Scenic outdoor venue for arts performances; hosts summer festivals and live theater shows.
Kayaking
4 minutes' walk
Kayak rentals available nearby; explore the beautiful coastal waters at your own pace.
Yoga Sessions
10 minutes' walk
Relaxing yoga classes offered at local studios; perfect for unwinding after a day of exploration.
Rooftop at The Envio
Rooftop at The Envio
1 minute' walk
Stunning rooftop views and creative cocktails; a chic spot for enjoying small plates.
Green Elephant
Green Elephant
5 minutes' walk
Vegetarian and vegan fare in a casual atmosphere; known for its flavorful dishes and fresh ingredients.
Two-Fifty Market
Two-Fifty Market
3 minutes' walk
Casual dining with locally sourced ingredients; offers a diverse menu and relaxed vibe.
Prescott Park Arts Festival
Prescott Park Arts Festival
10 minutes' walk
Seasonal arts festival featuring music and theater in a beautiful park setting; great for families.
Portsmouth Music Hall
5 minutes' drive
Historic venue showcasing concerts and films; known for its eclectic programming and beautiful architecture.
Getting around
City Centre
Portsmouth11 min  ·  900 m
Airports
Portsmouth International Airport at Pease (PSM)19 min  ·  12.2 km
Portland International Jetport (PWM)118 min  ·  78.2 km
Want to see exclusive early booking offers?
See our exclusive rates!
Check Rates
Property information and rules
Check-in
from 16:00-23:59
Check-out
until 11 am
Guest Parking
Private parking is possible on site at USD 45 per day.
Internet
is available in for free.
Breakfast
A full breakfast is served at the price of US$22 per person per day. 
Pets
Pets are allowed on request.
Number of floors:
5
Number of rooms:
173
FAQs
About Ac Hotel By Marriott Portsmouth Downtown/Waterfront
What is the distance from Ac Hotel By Marriott Portsmouth Downtown/Waterfront to Pease International Tradeport?
The hotel is 5 km from Pease International Tradeport.
What are the check-in and check-out times at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Check-in is at 16:00 and check-out is at 11:00.
What breakfast options are available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Guests can enjoy a buffet breakfast featuring European-inspired options for an additional charge of 22 USD.
What on-site dining options does Ac Hotel By Marriott Portsmouth Downtown/Waterfront provide?
The hotel features a restaurant, in-house bar, and snack bar.
What fitness facilities are available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Guests have access to a fitness centre equipped with advanced equipment.
Are there business services available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel provides business facilities, including 10 meeting rooms and a business centre.
What popular attractions are near Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Nearby attractions include Strawbery Banke Museum (1 km) and Market Square (0.5 km).
Is parking available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Private parking is available on-site for 45 USD per day, and no reservation is needed.
What room amenities are provided at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Rooms include air conditioning, a flat-screen TV, a desk, and a private bathroom with complimentary toiletries.

Next best alternative

Consider them for your next trip.
Check-in
08Jan2026Select date
Check-out
09Jan2026Select date
Rooms and Guests2 Guests, 1 Room

Want to save 15%?

Unlock mobile deal now
Book your stay with special mobile rate on and save up to 15%.
Ac Hotel By Marriott Portsmouth Downtown/Waterfront Exterior photo

Ac Hotel By Marriott Portsmouth Downtown/Waterfront

8.5
Great226 reviews
900 m from center
141 US$
157 US$
per night
Mobile-only price