AC Hotel Portsmouth Downtown/Waterfront: address, phone and airport distance

AC Hotel Portsmouth Downtown/Waterfront, an AC hotel (Marriott International) in Portsmouth, United States.

AC Hotel Portsmouth Downtown/Waterfront is an AC hotel (Marriott International) at 299 Vaughan Street, Portsmouth, NH, 03801, United States. The nearest airport with scheduled flights is Portsmouth International Airport at Pease (PSM), 4.9 km away in a straight line.

From Marriott International's own hotel listing, collected 27 Oct, 2026.

AC Hotel Portsmouth Downtown/Waterfront: quick facts

Brand: AC Hotel (Marriott International)
Address: 299 Vaughan Street, Portsmouth, NH, 03801
City: Portsmouth, New Hampshire, United States
Phone: +1 603-427-0152
Rooms: 148
Official hotel page: marriott.com
Map: 43.07974, -70.76242

Check live rates for AC Hotel Portsmouth Downtown/Waterfront

Nearest airports

Airport	Straight-line distance
Portsmouth International Airport at Pease (PSM)	4.9 km
Manchester-Boston Regional Airport (MHT)	57.1 km
Portland International Jetport (PWM)	72.9 km

Calculated from map positions; the road route is longer.

Other Marriott International hotels in Portsmouth

Courtyard by Marriott Portsmouth
Fairfield Inn Portsmouth Seacoast
Residence Inn by Marriott Portsmouth
Residence Inn by Marriott Portsmouth Downtown/Waterfront
Sheraton Portsmouth Harborside Hotel

Hotels from other chains nearby

Hampton Inn & Suites Portsmouth Downtown (Hilton), 198 m away
Hilton Garden Inn Portsmouth Downtown (Hilton), 299 m away
Homewood Suites by Hilton Portsmouth Downtown (Hilton), 304 m away
Holiday Inn Portsmouth (IHG Hotels & Resorts), 1.4 km away
Anchorage Inn & Suites - Portsmouth (Choice Hotels), 1.4 km away
Best Western Plus Portsmouth Hotel and Suites (Best Western Hotels & Resorts), 1.5 km away
Port Inn and Suites Portsmouth, an Ascend Collection Hotel (Choice Hotels), 1.7 km away
Homewood Suites by Hilton Portsmouth (Hilton), 2.0 km away

Frequently asked questions

Where is AC Hotel Portsmouth Downtown/Waterfront?

AC Hotel Portsmouth Downtown/Waterfront is at 299 Vaughan Street, Portsmouth, NH, 03801, United States.

Which airport is closest to AC Hotel Portsmouth Downtown/Waterfront?

Portsmouth International Airport at Pease (PSM) is the closest airport with scheduled flights, 4.9 km away in a straight line. The drive is longer.

Which hotel group runs AC Hotel Portsmouth Downtown/Waterfront?

AC Hotel Portsmouth Downtown/Waterfront is an AC Hotel hotel, a brand of Marriott International.

What is the phone number of AC Hotel Portsmouth Downtown/Waterfront?

Marriott International lists +1 603-427-0152 for AC Hotel Portsmouth Downtown/Waterfront.

How many rooms does AC Hotel Portsmouth Downtown/Waterfront have?

Marriott International lists 148 rooms at AC Hotel Portsmouth Downtown/Waterfront.

All 21 chain hotels in Portsmouth

Sources: Marriott International's own hotel listing, collected 27 Oct, 2026 via All The Places (CC0); city data from GeoNames; airport positions from OurAirports. FlightGPT does not add details a hotel chain doesn't publish. Rates and availability are checked live when you search.