Things to Do

Simply walking around town is fun! Congress St, State St, Market St / Market Square, Prescott Park (waterfront.) You’ll find many restaurants, historic buildings, old architecture, maritime scenery. 
 
Historic landmarks listed in the National Trust for Historic Preservation:
Strawbery Banke
Wentworth Gardner Historic Home
 
Tug Boats – walk down Bow Street to see the often photographed Portsmouth Tugboats. Stop into a nearby restaurant and sit on one of “the decks” that overlook the Piscataqua River.
 
Take the 20-30 minute walk to Maine over the Memorial Bridge to Government St and into Kittery Foreside. One block of fun: Anju Noodle bar, Lils Cafe, The Black Birch, Festina Lente, The Corner Pub.
 
Drive to Great Island Common in New Castle, a 10 minute drive from downtown Portsmouth. Photograph Portsmouth Harbor Lighthouse and Whaleback Lighthouse. Around the corner is The Wentworth Hotel. Get a drink at the bar, have a spa treatment, take in the views. 
 
Drive Route 1A from Portsmouth through Rye and North Hampton. Eighteen miles of scenic ocean views. Stop at Petey‘s in Rye for a lobster roll! The Carriage House is a popular spot for dinner.FOOD / DRINK ItalianRistorante MassimoCafe Mediterraneo Mamma Lucas SeafoodJumpin Jays Fish Cafe
Surf
Old Ferry LandingRow 34Martingale Wharf SteakThe LibraryCureToscana Chophouse MoreDurbar SquareShalimarThe GoatMUSIC Jimmy’s BluesClubThe Press Room  TO EXPLORE The Music Hall
Prescott Park
Strawbery Banke
The USS AlbacoreWentworth Coolidge MansionGreat Island Common  PORTSMOUTH PAST & PRESENT History buffs might find this link interesting: https://lostnewengland.com/category/new-hampshire/portsmouth-new-hampshire/