Sea Street Beach is an ocean beach in Dennis, Massachusetts.
What to expect
Parking
Paid lot Beach sticker or daily pass required during posted beach hours
Swimming
Water not monitored off-season
Dogs
No pets on any Dennis beach or beach lot from the Friday of Memorial Day weekend through Labor Day; West Dennis Beach extends the ban west of the middle bathhouse from April 1. Posted signs at the site take precedence.
Getting in
Parking
Paid lot
CostBeach sticker or daily pass required during posted beach hoursStickerDennis resident vehicle pass, weekly pass or daily pass
Sea St (Dennis Port) lot
Details unconfirmed
Sea St (Dennis Port) lot
CostBeach sticker or daily pass required during posted beach hours
the town's beach regulations list Sea Street Beach, Dennisport as a public parking area
Access points along this beach
Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Sea Street Beach by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Water °F | 40° | 39° | 42° | 49° | 55° | 63° | 69° | 68° | 66° | 60° | 50° | 44° |
|---|
Monthly averages from NOAA, Chatham (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Sea Street Beach in Dennis open today?
Sea Street Beach is not monitored right now. MA DPH samples beach water Memorial Day to Labor Day and posts no advisories or all-clears off-season, so there is no swim status to report. Swimming off-season is at your own risk.
Is there parking at Sea Street Beach, and what does it cost?
Paid lot (Beach sticker or daily pass required during posted beach hours). Sea St (Dennis Port) lot
Are there restrooms at Sea Street Beach?
Public restrooms are listed near the beach. Seasonal hours are common, so they may be closed off-season.
What's the water temperature at Sea Street Beach?
Water at Sea Street Beach averages about 39°F in February and 69°F in July, based on NOAA readings at Chatham from 2022 to 2024. For today's temperature, see the conditions above.
What rules should I know at Sea Street Beach?
Dogs prohibited Memorial Day weekend through Labor Day, and whenever piping plovers are nesting.
Can you swim at Sea Street Beach?
There is no MA DPH swim status for Sea Street Beach off-season: the state samples beach water Memorial Day to Labor Day. Swimming off-season is at your own risk; check conditions posted at the beach.
Are dogs allowed at Sea Street Beach?
No pets on any Dennis beach or beach lot from the Friday of Memorial Day weekend through Labor Day; West Dennis Beach extends the ban west of the middle bathhouse from April 1. Posted signs at the site take precedence.
Do you need a beach sticker to park at Sea Street Beach?
A beach sticker applies to parking here. Beach sticker or daily pass required during posted beach hours.