250 Market Street, Portsmouth, New Hampshire 03801 USA
+1 603-431-2300

Premier Portsmouth, NH hotel and meeting destination

Rewards Category 5 · Points needed per night

Sheraton Portsmouth Harborside Hotel welcomes travelers to downtown Portsmouth, New Hampshire with spacious rooms and condominium-style suites, superb amenities and a brilliant waterfront location. Situated in the heart of Portsmouth's historic downtown district on the Piscataqua River, we're steps away from historic attractions, quaint boutiques and more than 70 restaurants. Venture out and sample craft beers at one of several acclaimed local breweries, browse the unique shops of downtown Portsmouth or soak in the sun at one of the area's picturesque beaches or parks. After a day of exploring, enjoy waterfront dining with a view at Two-Fifty Market, our signature restaurant, or unwind with a dip in the indoor pool or a luxury massage at DuDa Spa, a full-service salon and spa next door. Situated near the University of New Hampshire and featuring flexible event space, our hotel is also a premier wedding destination and a great place for meetings of all sizes in Portsmouth, New Hampshire.

Show More

Guest Reviews

3.9 out of 5.0
76% of guests recommend this hotel

Hear from our guests about their stay from 614 confirmed guest reviews

Key Amenities

  • Fitness center
  • Pool
  • Pet friendly
  • Free high-speed internet


  • Our full-service hotel is in the heart of Portsmouth, New Hampshire's historic downtown district on the Piscataqua River.

    Learn more
  • Our suites are among the most spacious in Portsmouth, offering the perfect setting for special occasions and intimate gatherings.

    Learn more
  • Sheraton features the largest event space in Portsmouth, NH, with our Grand Ballroom accommodating up to 350 attendees.

    Learn more

Book Direct With Sheraton Portsmouth and Save!

Our most comprehensive list of perks are yours when you book directly with us. You’ll start benefiting the moment you book with our Best Rate Guarantee, Member Exclusive Rates, ability to modify or cancel your reservation, free Internet for members, and the ability to earn free nights.

Guest Rooms

Spacious, comfortable rooms in downtown Portsmouth, NH