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Portsmouth
Ac Hotel By Marriott Portsmouth Downtown/Waterfront
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Ac Hotel By Marriott Portsmouth Downtown/Waterfront, Portsmouth

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From157US$ /night
Check-in
16Feb2026Select date
Check-out
17Feb2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
Great
8.5
9.1
/10
4.0
/5
“This hotel is perfectly situated, making it super easy to walk to all the best restaurants and bars in downtown!”view full review

AC Hotel By Marriott Portsmouth Downtown/Waterfront offers a modern, urban vibe in a historic seaside city, featuring amenities such as complimentary WiFi and a fitness center. This 4-star Portsmouth hotel includes over 8000 square feet of meeting space and a rooftop bar with water views.

Rooms & Amenities

The rooms at AC Hotel By Marriott Portsmouth Downtown/Waterfront are air-conditioned and feature private bathrooms with rainfall showerheads. In-room amenities include a flat-screen TV, wardrobe, tea and coffee facilities, and free toiletries.

Dining Options

Guests can enjoy a European-inspired breakfast featuring freshly baked croissants and classic favorites at the AC Kitchen. The property offers a restaurant which serves local seasonal eclectic cuisine along with an in-house bar.

Leisure & Activities

AC Hotel By Marriott Portsmouth Downtown/Waterfront features a 24-hour fitness center and offers opportunities for outdoor adventures such as kayaking and paddleboarding. Historic sites like Strawbery Banke Museum and Prescott Park are available for exploration nearby.

Services & Transportation

The hotel provides a 24-hour front desk and valet parking services for guest convenience. Nearby transport options include Portsmouth International Airport and multiple bus stops within walking distance.

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Select your room type

Ac Hotel By Marriott Portsmouth Downtown/Waterfront 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
Queen Room Two Queen Beds Hearing Accessible
2 persons
305 sq. feet 
2 King Size Beds
Shower
Heating
room details
King Room Sofa Bed Adapted Tub Mobility Accessible
King Room Sofa Bed Adapted Tub Mobility Accessible
2 persons
305 sq. feet 
1 King-size bed and 1 Sofa bed
Heating
Air conditioning
room details
Suite 1 King Sofa bed Corner room
Suite 1 King Sofa bed Corner room
2 persons
400 sq. feet 
1 King-size bed
Shower
Heating
room details
Larger Suite 1 King Sofa bed
Larger Suite 1 King Sofa bed
2 persons
485 sq. feet 
1 King-size bed and 1 Sofa bed
Shower
Heating
room details
Click button to see more rooms
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Price and Room Availability Calendar

Check availability and prices for your dates now!

Facilities

Ac Hotel By Marriott Portsmouth Downtown/Waterfront offers amenities for your comfortable stay and unforgettable experiences
Delicious Rooftop Meals!
“I had a salad and appetizer at the rooftop restaurant, and it was absolutely good with a stunning view to match!” view full review
Helpful Valet Service!
“Ralph in valet parking was a lifesaver! He guided me through the parking options with such expertise that I felt truly supported.” view full review
Comfortable & Modern!
“The room had a modern look with nice furniture; it was a clean and inviting atmosphere that made my stay enjoyable.” view full review
Accessible Comfort!
“I noticed well-implemented accessibility features throughout the hotel, ensuring a comfortable stay for all guests.” view full review

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
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Ac Hotel By Marriott Portsmouth Downtown/Waterfront Location

299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
Map view
299 Vaughan Street, Portsmouth, New Hampshire, United States, 3801
City landmarks
Museum
USS Albacore Museum
2300 ft
Museum
Richard Jackson House
2300 ft
Museum
Strawbery Banke Museum
1.1 mi
Park
Prescott Park Theatre
1.1 mi
Landmark
Portsmouth African Burying Ground
2000 ft
Museum
Governor John Langdon House
2400 ft
Landmark
Rundlet-May House
3100 ft
Landmark
Warner House
2100 ft
Landmark
Wentworth Gardner and Tobias Lear Houses
3800 ft
Church
St. John's Episcopal Church
2700 ft
Library
Portsmouth Public Library
2700 ft
Bridge
Memorial Bridge
2700 ft
Park
Prescott Park Arts Festival
3000 ft
Landmark
Freemans Point
2900 ft
Landmark
Badger's Island
3100 ft
Landmark
North Mill Pond
2300 ft
Gallery
New Hampshire Art Association
2300 ft
Landmark
ellO gallery & shop
2400 ft
Nearby
Square
Market Square
1000 ft
Museum
John Paul Jones House
1000 ft
Garden
Moffatt-Ladd House
1000 ft
Gallery
Piscataqua Fine Arts Studio and Gallery
2000 ft
Market Square
Portsmouth Harbor Trail
1000 ft
Library
Portsmouth Athenaeum
1000 ft
Church
North Church of Portsmouth
1000 ft
319 Vaughan St
3S Artspace
1000 ft
10 Vaughan Mall #215
Portsmouth Team Building
1000 ft
Store
Summer Sessions Portsmouth
1000 ft
Gallery
NJM Gallery
1000 ft
Gallery
Three Graces Gallery
1000 ft
Restaurants
Rooftop at The Envio
0 ft
299 Vaughan St
Two-Fifty Market
600 ft
250 Market St
Green Elephant
1200 ft
35 Portwalk Pl
BRGR Bar
1100 ft
34 Portwalk Pl located beneath the Residence Inn
Statey Bar & Grill
1100 ft
238 Deer St
The Oar House
1700 ft
55 Ceres St
Shalimar India Restaurant
1600 ft
80 Hanover St
La Carreta Restaurante Mexicano
1600 ft
172 Hanover St
The Friendly Toast
2100 ft
113 Congress St
Getting around
City Centre
Portsmouth11 min  ·  3000 ft
Airports
Portsmouth International Airport at Pease (PSM)19 min  ·  7.6 mi
Portland International Jetport (PWM)118 min  ·  48.6 mi
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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

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Check-in
16Feb2026Select date
Check-out
17Feb2026Select date
Rooms and Guests2 Guests, 1 Room
  • Overview
  • Rooms
  • Price calendar
  • Facilities
  • Location
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