Nantucket's most developed north-shore beach, with calm, warm water over sandbars, a restaurant, tennis courts, and a boardwalk from a large parking lot. It's the beach the town built out for families and non-swimmers as much as for anyone wanting real waves.
What to expect
Parking
Paid lot unconfirmed
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. That's the town default unless posted otherwise.
From late JuneAccessibility
Four accessible parking spaces and a ~380-foot boardwalk from the lot to the beach
Dogs
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. Posted signs at the site take precedence.
Managed by
Town of Nantucket Marine & Coastal Resources Department
508-228-7261 · WebsiteGetting in
Parking
Paid lot
Costunconfirmed
Jetties Beach lot (Bathing Beach Rd)
Details unconfirmed
Jetties Beach lot (Bathing Beach Rd)
CostunconfirmedSpaceslarge lot, 4 accessible spaces
connects to the beach via a ~380-foot seasonal boardwalk
Access points along this beach
Bathing Beach Road entrance
What's here
Facilities
Restrooms
at the beach building
Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Jetties Beach by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Water °F | 39° | 38° | 42° | 50° | 57° | 67° | 76° | 75° | 69° | 61° | 51° | 42° |
|---|
Monthly averages from NOAA, Nantucket Island (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Jetties 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.
Is there a lifeguard here?
Jetties has lifeguards on duty through the summer season.
Not from mid-June through mid-September; outside that window dogs are allowed on leash but kept out of the dunes and marsh grass.
No. Only small, contained cooking fires or charcoal/propane grills away from dune vegetation are allowed, without a permit.
Is there parking at Jetties Beach, and what does it cost?
Paid lot (unconfirmed). Jetties Beach lot (Bathing Beach Rd)
Are there restrooms at Jetties 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 Jetties Beach?
Water at Jetties 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 Jetties Beach?
No bonfires, campfires, or fireworks.
Can you swim at Jetties Beach?
Yes. Jetties Beach has no swimming advisory in the latest MA DPH posting (updated 2026-09-13). Check again the morning you go.