Back to events
Festival · Northport
Great Cow Harbor Day Weekend
Sep 19–Sep 20, 2026Northport, Suffolk CountyFestival
This event has ended
It ran Sep 19–Sep 20, 2026.
This is an annual event. We have not confirmed dates for the next one, so check with the organizer before you plan around it.
About
A community celebration in Northport featuring a 10K race, sidewalk sales, a parade, a lighted boat display, and a crazy boat race.
Sources
Every Thursday
Get this weekend's picks by email
Thursday morning, free: the weekend's best family events across Long Island.
Coming up nearby
Upcoming events
Concert
PaidJohn W. Engeman Theater
Dr. Seuss' How The Grinch Stole Christmas! The Musical
Nov 12–Dec 27 (Most Wednesdays through Sundays: evenings 7 pm (8 pm Nov 12-13), weekend matinees 2 pm (also Fri Nov 27 at 2 pm). No shows Nov 25-26 or Dec 25; Nov 15 and Dec 24 are 2 pm matinee only)
Holiday
Northport Village Park
Fair
Northport High School