This Weekend · Sep 12–13

This weekend on Long Island.

Every family event on the calendar for the next two days across Nassau and Suffolk, plus a few editor picks and rainy-day backups.

9family events this weekend

This weekend (Sep 12–13) on Long Island, our picks include Greenport Farmer's Market @ Mitchell Park, Havens Farmers Market, and Long Island Garlic Festival. The full weekend lineup is below, along with seasonal picks and indoor backups if the weather turns.

On the calendar

Family events this weekend

Farmers Market
Mitchell Park
Greenport Farmer's Market @ Mitchell Park

Sep 12–Oct 17 (Saturdays, May 23, 2026 through October 10, 2026, 9:00 AM to 1:00 PM)

Farmers Market
Free
Shelter Island History Museum
Havens Farmers Market

Sat Sep 12 (Saturdays, May 23-September 5)

Donations to the Museum to support our programs and operations are always appreciated.

Festival
Waterdrinker Family Farm & Garden
Long Island Garlic Festival

Sep 12–Sep 13 (Annual (24th Annual event))

$20 per person

Festival
Eisenhower Park
Other
Paid
Eisenhower Park
NSSA's Jack's Run 5K Run/Walk

Sat Sep 12 (Annual)

Registration required

Festival
Free
Larkfield Road
Second Annual Street Bazaar at the East Northport Festival

Sep 12–Sep 13

Admission to the Street Bazaar is free.

Festival
Long Island Railroad Station
Festival
Free
TOBAY Beach Marina
Waterfront Festival and Marine Expo

Sat Sep 12 · 12:00 pm–4:00 pm (Annual)

Fair
Argyle Park
Fair at Argyle Park

Sun Sep 13 (Annually)

See the full events calendar →

Worth the drive

Editor picks this season

Ages 1–13
Huntington Station
Ages 1–13
Hauppauge
Ages 1+
West Babylon
Ages 1+
Centereach
If it rains

Indoor backups

Ages 1–13
Huntington Station
A Latte Fun

Indoor Playground·Indoor
Ages 1–13
Hauppauge
A Latte Fun Hauppauge

Indoor Playground·Indoor
Ages 1+
West Babylon
AMF Babylon Lanes

Bowling·Indoor
Ages 1+
Centereach

More indoor activities on Long Island →

Good to know

This weekend, answered

What's free this weekend on Long Island?

Many family events on Long Island are free to attend, and our free-events guide collects all the upcoming ones in one place. Town and county parks, playgrounds, and many beaches are also free to visit any day. See free family events →

What can we do indoors if it rains this weekend?

Our indoor-activities guide has the rainy-day answer: trampoline parks, indoor playgrounds, bowling, museums, and craft studios across Long Island. Check hours before you head out; nearly every listing links the venue's site. See indoor activities →