Bow Street seafood and river views
River House and Surf put chowder, lobster rolls, oysters, sushi, and cocktails beside the working Piscataqua; compare the menu, deck weather, stairs, and reservation policy.
Oysters, chowder, lobster rolls, seasonal kitchens, brick dining rooms, waterfront decks, bakeries, coffee, brunch, and cocktails
Portsmouth's dining depth exceeds its size. Use Friday for an easy arrival meal, reserve one dinner that matters, and leave room for a bakery, coffee window, or waterfront lunch discovered on foot.
River House and Surf put chowder, lobster rolls, oysters, sushi, and cocktails beside the working Piscataqua; compare the menu, deck weather, stairs, and reservation policy.
Cure and other small central dining rooms suit a reserved dinner built around seasonal American cooking rather than a waterfront table. Weekend seats can disappear early.
Congress and adjoining streets cover Chinese and sushi, comfort food, pubs, bakeries, and quick lunches within a few blocks of shops, theaters, and museums.
The Friendly Toast and downtown cafes put breakfast near Market Square; for Strawbery Banke or an early boat check-in, confirm opening time and choose the shortest walk south or east.
Walk or make one short move west for breweries and restaurants outside the densest visitor blocks; verify distance before promising a car-free night.
Match the table to The Music Hall or Seacoast Repertory Theatre and check last seating before buying tickets. Compact blocks do not guarantee a kitchen stays open after the curtain.

Breakfast geography
Choose breakfast near the first fixed stop: Strawbery Banke to the south, a harbor departure near the river, or a museum and shopping loop around Market Square. Confirm current hours directly; small kitchens and cafes change service days seasonally.