Sea Street is a sliver of sand a short walk from Harwich Port's shops and restaurants, wedged between private beaches with no parking of its own.
What to expect
Parking
Parking not confirmed
Swimming
Allowed water tested by the state
Accessible
Wheelchair access noted
Managed by
Town of Harwich Recreation and Beach Commission
(508) 430-7553 · WebsiteGetting in
Parking
Parking not confirmed
No parking
Access points along this beach
Sea Street walk-in entrance
Common questions
Is Sea Street Beach in Harwich open today?
Open, no advisory on record in the latest MA DPH posting (updated 2026-07-16). MA DPH is the authority. Check the status the morning you go.
What rules should I know at Sea Street Beach?
No lifeguard on duty. No dogs on any Harwich beach between Memorial Day and Labor Day; off-season dogs are allowed on the sand. Red River Beach is the only exception, with on-leash dog walking permitted in the parking lot dawn-9am and 4:30pm-dusk in season.
Been here? Help keep it current.
Prices, hours, and facilities change. A quick note keeps the next visitor from guessing.