A south-shore beach also known locally as Point O'Breakers, reachable by the town's oversand vehicle permit as well as on foot. It sits along the same general stretch of coastline as Miacomet, a bit further east.
What to expect
Swimming
Allowed water tested by the state
Hours
Nantucket lifeguards are on duty from late June through Labor Day, roughly 9am to 5pm, and vehicles are barred from the lifeguarded beaches during those hours.
From late JuneDogs
Leashed, licensed dogs are allowed on Nantucket's public beaches, but never in dune vegetation, marsh grass, or other fenced or posted protected-wildlife areas.
Managed by
Natural Resources Department
508-228-7230 · WebsiteGetting in
Access points along this beach
Point of Breakers oversand access
Included among the town's permitted beach-driving destinations
Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Sewerbeds Beach by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Water °F | 39° | 38° | 42° | 50° | 57° | 67° | 76° | 75° | 69° | 61° | 51° | 42° |
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Monthly averages from NOAA, Nantucket Island (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Sewerbeds Beach in Nantucket open today?
Open, no advisory on record in the latest MA DPH posting (updated 2026-09-13). MA DPH is the authority. Check the status the morning you go.
What's the water temperature at Sewerbeds Beach?
Water at Sewerbeds Beach averages about 38°F in February and 76°F in July, based on NOAA readings at Nantucket Island from 2022 to 2024. For today's temperature, see the conditions above.
What rules should I know at Sewerbeds Beach?
No alcohol, glass, or smoking on public beaches, $300 fine for violations.
Can you swim at Sewerbeds Beach?
Yes. Sewerbeds Beach has no swimming advisory in the latest MA DPH posting (updated 2026-09-13). Check again the morning you go.
Are dogs allowed at Sewerbeds Beach?
Leashed, licensed dogs are allowed on Nantucket's public beaches, but never in dune vegetation, marsh grass, or other fenced or posted protected-wildlife areas.