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From157US$ /night
Check-in
31Dec2025Select date
Check-out
01Jan2026Select 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
8.6
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 8000 square feet of meeting space and a rooftop restaurant with water views. AC Hotel By Marriott Portsmouth Downtown/Waterfront provides complimentary WiFi, a 24-hour fitness center, and electric car charging stations. The European-inspired AC Kitchen serves breakfast from 7:00 AM to 10:00 AM, featuring freshly baked croissants, house-made Spanish egg tarts, and Iberico prosciutto. The property includes an in-house bar serving craft beers and handcrafted cocktails. Air-conditioned rooms come equipped with rainfall showerheads, private bathrooms, and flat-screen TVs. The AC Hotel sits 0.5 miles from Portsmouth Harbor Trail and Portsmouth Athenaeum, with Prescott Park Theatre 1 mile away. Pease International Tradeport Airport is situated 3 miles from the property.

Pros

Pet-friendly accommodation accepting animals up to 100 pounds

Within 0.5 miles of multiple dining options including Portsmouth Brewery and Barrio

Mobility-accessible rooms with features like roll-in showers and wheelchair-height toilets

Comprehensive sustainability program with measured carbon footprint of 12.65 kg per room night

Cons

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

Check-in time starts late at 4:00 PM

“In my opinion, this is a modern option that stands out with its rooftop bar and European-inspired dining; the location near historic landmarks and the waterfront is certainly a plus. I noted the well-equipped fitness center and dynamic meeting spaces, making it suitable for both leisure and business. It's a solid choice for a stay in Portsmouth.”
Hotel logo
Isabella MooreSenior Editorial Director at Petfriendlyhotels
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Select your room type

Cozy rooms, spacious suites, and family-friendly homes, all with flexible cancellation policies & 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
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Price and room availability calendar

Check availability and rates for your selected dates!

Facilities

Enjoy premium amenities for a relaxing stay with your pet

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

  • 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

Discover delightful dining experiences at Ac Hotel By Marriott Portsmouth Downtown/Waterfront, where vibrant culinary offerings await. Enjoy hearty breakfasts, modern lounges, and alluring rooftop views that invite guests to unwind while savoring each bite.
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
Casual and inviting, perfect for morning gatherings
Key Offerings
Buffet breakfast featuring a selection of pastries, fresh fruits, and hearty options to start the day right.
Reservation
Not needed
Monday to Friday: 07:00 - 10:00, Saturday and Sunday: 08:00 - 11:00

Rooftop at the Envio

Contemporary dining with scenic views
Ambiance
Modern rooftop setting overlooking the bustling waterfront, perfect for evenings
Key Offerings
Craft cocktails and a selection of light bites to complement the stunning vistas, creating an enchanting dining atmosphere.
Reservation
Recommended
Monday to Wednesday: 15:00 - 21:00, Thursday: 12:00 - 21:00, Friday and Saturday: 12:00 - 22:00, Sunday: 12:00 - 21:00

AC Lounge

Casual dining and bar
Ambiance
Modern lounge with a relaxed vibe, perfect for unwinding
Key Offerings
An array of small plates and drinks, ideal for casual gatherings or a cozy night in, featuring crafted cocktails and a comfortable setting.
Reservation
Not needed
Monday to Wednesday: 16:00 - 21:00, Thursday: 16:00 - 21:00, Friday and Saturday: 16:00 - 22:00, Sunday: 16:00 - 21:00

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 walking
Submarine museum showcasing the USS Albacore, an innovative research vessel. Interactive exhibits make it a family-friendly spot.
Strawbery Banke Museum
Strawbery Banke Museum
20 minutes walking
History museum featuring restored historic homes and landscapes, bringing over 300 years of Portsmouth's history to life.
Market Square
Market Square
4 minutes walking
Vibrant hub with shops, cafes, and street performances. Great for dining and people-watching in an historic setting.
Prescott Park Theatre
Prescott Park Theatre
20 minutes walking
Outdoor theatre hosting summer performances. Scenic views along the waterfront enhance the cultural experience.
Kayaking on the Piscataqua River
10 minutes driving
Rent kayaks and explore the beautiful river. Guided tours available, suitable for both beginners and seasoned paddlers.
Wellness Yoga at Portsmouth Yoga
10 minutes walking
Relaxing yoga classes held in a serene environment. Perfect for unwinding after a busy day. Classes for all levels.
Hiking at Peirce Island
20 minutes driving
Trails featuring scenic views of the back channels and harbor. Great for moderate hiking and enjoying natural beauty.
Rooftop at The Envio
Rooftop at The Envio
1 minute walking
Upscale rooftop dining with stunning views. Signature cocktails and fresh seafood dishes highlight the menu.
Two-Fifty Market
Two-Fifty Market
3 minutes walking
Casual dining spot known for fresh, locally sourced ingredients. Vegan and gluten-free options available.
Green Elephant
Green Elephant
5 minutes walking
Innovative vegetarian and vegan cuisine in a cozy atmosphere. Seasonal menu inspired by global flavors.
Portsmouth Music Hall
10 minutes walking
Historic theatre showcasing live performances, movies, and special events. A cultural staple with a charming atmosphere.
The Press Room
9 minutes walking
Live music venue featuring local and national acts. Casual vibe with great food and drinks, fun for all ages.
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
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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
How far is Ac Hotel By Marriott Portsmouth Downtown/Waterfront from Pease International Tradeport?
The hotel is 5 km from Pease International Tradeport.
What kind of breakfast does Ac Hotel By Marriott Portsmouth Downtown/Waterfront offer?
The hotel provides a European-inspired breakfast featuring freshly baked croissants, house-made Spanish egg tarts, and classic favorites.
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 by 11:00.
What fitness amenities are available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel features a fitness centre equipped with advanced fitness equipment.
Does Ac Hotel By Marriott Portsmouth Downtown/Waterfront have on-site dining options?
Yes, the hotel has an on-site restaurant that offers breakfast and seasonal cuisine.
What notable landmarks are near Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Nearby landmarks include Strawbery Banke Museum (0.5 km) and Market Square (0.3 km).
Is parking available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Yes, private parking is available on-site for a fee of 45 USD per day.
Is there a bar at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel features a bar/lounge area along with a rooftop bar.
What room amenities are available at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Rooms at the hotel include air conditioning, a flat-screen TV, and a private bathroom with complimentary toiletries.
What is a unique feature of Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel includes a rooftop bar with scenic views and handcrafted cocktails.
What services are available for business travelers at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
The hotel offers over 743.2 m² of dynamic meeting space and a business centre.
Are there any recreational activities offered at Ac Hotel By Marriott Portsmouth Downtown/Waterfront?
Guests can enjoy activities such as cycling and guided walking tours.

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