Sepiessa Point Reservation is an ocean beach in West Tisbury, Massachusetts.
What to expect
Swimming
Allowed water tested by the state
Dogs
Dogs must be restrained from running at large or kept within their owner's immediate control. Voice control is allowed, so this is not a leash mandate. The Animal Control Officer may pick up and impound a dog that is not restrained or…
Getting in
Parking
Free
CostFree
Martha's Vineyard Land Bank reservation, open to the general public. Very limited trailhead parking (only a few cars); no drive-up beach lot, access to the Tisbury Great Pond barrier beach is via trail or by canoe/kayak.
Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Sepiessa Point Reservation by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Water °F | 39° | 37° | 41° | 48° | 56° | 66° | 73° | 74° | 70° | 62° | 54° | 44° |
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Monthly averages from NOAA, Woods Hole (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Sepiessa Point Reservation in West Tisbury 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 parking at Sepiessa Point Reservation, and what does it cost?
Free (Free). Martha's Vineyard Land Bank reservation, open to the general public. Very limited trailhead parking (only a few cars); no drive-up beach lot, access to the Tisbury Great Pond barrier beach is via trail or by canoe/kayak.
What's the water temperature at Sepiessa Point Reservation?
Water at Sepiessa Point Reservation averages about 37°F in February and 74°F in August, based on NOAA readings at Woods Hole from 2022 to 2024. For today's temperature, see the conditions above.
Can you swim at Sepiessa Point Reservation?
Yes. Sepiessa Point Reservation has no swimming advisory in the latest MA DPH posting (updated 2026-09-13). Check again the morning you go.
Are dogs allowed at Sepiessa Point Reservation?
Dogs must be restrained from running at large or kept within their owner's immediate control. Voice control is allowed, so this is not a leash mandate. The Animal Control Officer may pick up and impound a dog that is not restrained or controlled.