Sheraton Portsmouth Harborside Hotel: address, phone and airport distance

Sheraton Portsmouth Harborside Hotel, a Sheraton hotel (Marriott International) in Portsmouth, United States.

Sheraton Portsmouth Harborside Hotel is a Sheraton hotel (Marriott International) at 250 Market Street, Portsmouth, NH, 03801, United States. The nearest airport with scheduled flights is Portsmouth International Airport at Pease (PSM), 5.2 km away in a straight line.

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

Sheraton Portsmouth Harborside Hotel: quick facts

Brand: Sheraton (Marriott International)
Address: 250 Market Street, Portsmouth, NH, 03801
City: Portsmouth, New Hampshire, United States
Phone: +1 603-431-2300
Rooms: 182
Official hotel page: marriott.com
Map: 43.07995, -70.75952

Check live rates for Sheraton Portsmouth Harborside Hotel

Nearest airports

Airport	Straight-line distance
Portsmouth International Airport at Pease (PSM)	5.2 km
Manchester-Boston Regional Airport (MHT)	57.4 km
Portland International Jetport (PWM)	72.7 km

Calculated from map positions; the road route is longer.

Other Marriott International hotels in Portsmouth

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

Hotels from other chains nearby

Hilton Garden Inn Portsmouth Downtown (Hilton), 178 m away
Hampton Inn & Suites Portsmouth Downtown (Hilton), 260 m away
Homewood Suites by Hilton Portsmouth Downtown (Hilton), 445 m away
Holiday Inn Portsmouth (IHG Hotels & Resorts), 1.6 km away
Anchorage Inn & Suites - Portsmouth (Choice Hotels), 1.7 km away
Best Western Plus Portsmouth Hotel and Suites (Best Western Hotels & Resorts), 1.8 km away
Port Inn and Suites Portsmouth, an Ascend Collection Hotel (Choice Hotels), 1.9 km away
Homewood Suites by Hilton Portsmouth (Hilton), 2.2 km away

Frequently asked questions

Where is Sheraton Portsmouth Harborside Hotel?

Sheraton Portsmouth Harborside Hotel is at 250 Market Street, Portsmouth, NH, 03801, United States.

Which airport is closest to Sheraton Portsmouth Harborside Hotel?

Portsmouth International Airport at Pease (PSM) is the closest airport with scheduled flights, 5.2 km away in a straight line. The drive is longer.

Which hotel group runs Sheraton Portsmouth Harborside Hotel?

Sheraton Portsmouth Harborside Hotel is a Sheraton hotel, a brand of Marriott International.

What is the phone number of Sheraton Portsmouth Harborside Hotel?

Marriott International lists +1 603-431-2300 for Sheraton Portsmouth Harborside Hotel.

How many rooms does Sheraton Portsmouth Harborside Hotel have?

Marriott International lists 182 rooms at Sheraton Portsmouth Harborside Hotel.

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.