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From157US$ /night
Check-in
22Jan2026Select date
Check-out
23Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

Hotel Details

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

AC Hotel By Marriott Portsmouth Downtown/Waterfront - Modern Waterfront Hotel with Rooftop Bar and European-Inspired Dining

Located in the bustling waterfront district, this 4-star Portsmouth hotel features over 8000 square feet of meeting space and a rooftop restaurant with water views. AC Hotel By Marriott Portsmouth Downtown/Waterfront provides air-conditioned rooms equipped with rainfall showerheads, complimentary toiletries, and wardrobes. The AC Kitchen serves European-inspired breakfast from 7:00 AM to 10:00 AM on weekdays, featuring freshly baked croissants, Spanish egg tarts, and Iberico prosciutto. The property includes a 24-hour fitness center, complimentary WiFi, and 10 meeting rooms. The AC Hotel's location places guests within walking distance of Market Square's galleries, shops, and the Strawbery Banke Museum.

Pros

Electric car charging stations available on-site

Accessible facilities throughout, including roll-in showers and mobility-friendly rooms

Pet-friendly accommodation accepting animals up to 100 lbs

Free bicycle rentals for guest use

Cons

Off-site parking at Foundry Place Garage costs $40 daily

Airport is 3 miles from the property

“The AC Hotel in Portsmouth understands the needs of both business and leisure travelers, with over 8,000 square feet of meeting space ready for professional gatherings. I appreciate that the hotel embraces its seaside heritage through its modern design and also rooftop bar, and that the in-house European-inspired dining options ensure a convenient and satisfying stay.”
Hotel logo
Charlotte EvansHead of Editorial at Hotelsdowntown
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Select room type

Choose from double rooms, family suites, and premium stays. Enjoy breakfast, flexible cancellations, and exclusive deals.
Queen Room Two Queen Beds Hearing Accessible
2 persons
305 sq. feet 
2 King Size Beds
Shower
Heating
King Room Sofa Bed Adapted Tub Mobility Accessible
2 persons
305 sq. feet 
1 King-size bed and 1 Sofa bed
Heating
Air conditioning
Suite 1 King Sofa bed Corner room
2 persons
400 sq. feet 
1 King-size bed
Shower
Heating
Larger Suite 1 King Sofa bed
2 persons
485 sq. feet 
1 King-size bed and 1 Sofa bed
Shower
Heating
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Facilities

Hotel has comfortable rooms, premium services, and a prime downtown location

General

  • No smoking on site
  • Free Wi-Fi
  • On-site car park
  • 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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Dining Onsite

At Ac Hotel By Marriott Portsmouth Downtown/Waterfront, dining options blend contemporary ambiance with a touch of local charm. Guests can savor delicious meals while enjoying scenic views, from hearty breakfasts to delightful dinners, making every moment flavorful and inviting.
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

Rooftop at the Envio

Casual American
Ambiance
Modern rooftop setting with breathtaking views of the waterfront and cityscape.
Key Offerings
Guests can unwind with a selection of craft cocktails and locally inspired dishes while soaking in the sunset ambiance.
Reservation
Recommended for peak dining times.
Open for dinner from Monday to Wednesday, 3:00 PM - 9:00 PM; Thursday, 12:00 PM - 9:00 PM; Friday to Saturday, 12:00 PM - 10:00 PM; Sunday, 12:00 PM - 9:00 PM.

AC Kitchen

Continental breakfast
Ambiance
Bright and airy dining space that welcomes guests to a relaxing breakfast experience.
Key Offerings
A delightful buffet spread of fresh pastries, fruits, and breakfast classics to start the day on a delicious note.
Reservation
Not needed.
Available for breakfast from Monday to Friday, 7:00 AM - 10:00 AM; Saturday to Sunday, 8:00 AM - 11:00 AM.

AC Lounge

Light bites and beverages
Ambiance
Modern lounge atmosphere, perfect for casual gatherings or unwinding after a busy day.
Key Offerings
An ideal spot for craft cocktails and light, shareable plates that cater to casual dining.
Reservation
Not required.
Open for dinner from Monday to Wednesday, 4:00 PM - 9:00 PM; Thursday, 4:00 PM - 10:00 PM; Friday 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
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
Explore Portsmouth
Explore Portsmouth
Top Attractions
Activities
Dining
Entertainment
USS Albacore Museum
USS Albacore Museum
9 minutes walking
Naval history at the USS Albacore Museum features a unique submarine experience and insightful exhibits for history enthusiasts.
Strawbery Banke Museum
Strawbery Banke Museum
20 minutes walking
An outdoor history museum showcasing preserved homes and gardens. Seasonal events provide engaging family experiences.
Prescott Park Theatre
Prescott Park Theatre
20 minutes walking
Outdoor theatre featuring live performances and festivals in a beautiful park setting along the waterfront.
Portsmouth African Burying Ground
Portsmouth African Burying Ground
10 minutes walking
Historic site commemorating the African American community's contributions and offers reflective educational experiences.
Kayaking on the Piscataqua River
5 minutes driving
Adventurous kayaking available with local rental companies, offering thrilling river views and wildlife encounters.
Yoga at Prescott Park
20 minutes walking
Relaxing outdoor yoga sessions in Prescott Park provide a serene atmosphere amidst nature. Check seasonal schedules for classes.
Rooftop at The Envio
Rooftop at The Envio
1 minute walking
Upscale dining with stunning rooftop views and a menu featuring local seafood. Reservations recommended for peak times.
Two-Fifty Market
Two-Fifty Market
3 minutes walking
Casual spot for farm-to-table fare, with a focus on fresh ingredients and diverse menu options accommodating dietary needs.
Green Elephant
Green Elephant
5 minutes walking
Vegetarian and vegan-friendly restaurant known for its innovative dishes and vibrant atmosphere, perfect for health-conscious diners.
Portsmouth Music Hall
10 minutes walking
Historic theater hosting diverse performances, including live music, comedy shows, and special events for all ages.
The Press Room
10 minutes walking
Live music venue with a relaxed vibe, featuring local bands and open mic nights. Great for a casual night out with friends.
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
FAQs
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 is at 16:00 and check-out is at 11:00.
How far is AC Hotel By Marriott Portsmouth Downtown/Waterfront from Pease International Tradeport?
The hotel is located 5 km from Pease International Tradeport.
What breakfast options does AC Hotel By Marriott Portsmouth Downtown/Waterfront offer?
The hotel offers a buffet breakfast featuring a variety of items, which is available for an additional charge of 22 USD.
What fitness amenities are available at AC Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel features a fitness center equipped with advanced equipment.
Is there parking available at AC Hotel By Marriott Portsmouth Downtown/Waterfront?
Private parking is available on-site for 45 USD per day.
What dining options are available at AC Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel has an on-site restaurant, bar, and snack bar offering seasonal cuisine and handcrafted cocktails.
How far is AC Hotel By Marriott Portsmouth Downtown/Waterfront from popular local attractions?
The hotel is approximately 0.5 km from Market Square and other historic attractions, including Strawbery Banke Museum.
Can guests enjoy outdoor activities while staying at AC Hotel By Marriott Portsmouth Downtown/Waterfront?
Yes, guests can enjoy cycling and have access to complimentary bicycles.
What amenities do the rooms at AC Hotel By Marriott Portsmouth Downtown/Waterfront include?
Rooms include air conditioning, flat-screen TVs, private bathrooms with rainfall showerheads, and free toiletries.
Does AC Hotel By Marriott Portsmouth Downtown/Waterfront offer business services?
The hotel provides access to a business center and features 10 meeting rooms for events.

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