What's open, what's closed on Long Island for Thanksgiving, 2025

As a federal holiday, government offices, schools and courts are closed for Thanksgiving on Long Island.

But not all services are shuttered and some retail locations remain open for last-minute shoppers.

Here's what's open and closed for Thanksgiving on Long Island:

Government buildings

Administrative buildings in Nassau and Suffolk counties, including courts and the district attorney’s offices, are closed. Courts are only open for arraignments. State and town hall buildings are closed as are all federal facilities.

Schools

All public schools on Long Island are closed and virtually all will remain closed on Friday and will remain open on Monday.

Mail

The United States Postal Service is closed. No mail will be delivered except Priority Express Mail.

Financial markets

The NYSE and Nasdaq observe all federal holidays, including Thanksgiving and are also closed. It is open on Nov. 28 but will close early at 1 p.m.

Long Island Rail Road

The LIRR will operate on a weekend schedule.

For those heading to the Macy's Thanksgiving Day Parade, the LIRR will operate additional trains to and from Manhattan on the Babylon, Port Jefferson, and Ronkonkoma branches before and after the parade. On Friday, the LIRR will run on a regular weekday schedule.

NICE Bus is operating on an adjusted Sunday schedule for Thanksgiving. Suffolk County Transit buses are closed.

Banks

Banks are closed on all federal holidays. 

Grocery stores

Most national grocery store chains are open on Thanksgiving for last-minute turkey-day needs, although many close early. Check your local store for details.

Retailers

Most major retailers, such as Walmart and Target will be closed on Thanksgiving but many stores will open as early 5 a.m. on Black Friday.