A jetty-lined Nantucket Sound beach in Dennis Port with a livelier wave break than the calmer bay beaches across town.
What to expect
Parking
Paid lot sticker or daily pass
Swimming
Allowed water tested by the state
Getting in
Parking
Paid lot
Coststicker or daily passStickerDennis beach sticker
Sea St (Dennis Port) lot
Details unconfirmed
Access points along this beach
Common questions
Is Sea Street in Dennis 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.
Is there parking at Sea Street, and what does it cost?
Paid lot (sticker or daily pass). Sea St (Dennis Port) lot
Are there restrooms at Sea Street?
Public restrooms are listed near the beach. Seasonal hours are common, so they may be closed off-season.
What rules should I know at Sea Street?
Dogs prohibited Memorial Day weekend through Labor Day, and whenever piping plovers are nesting.
Been here? Help keep it current.
Prices, hours, and facilities change. A quick note keeps the next visitor from guessing.