Hours, Directions & Parking

Main Library Hours  NEW!

Mon-Thurs: 9:30AM-9:00PM
Friday & Saturday: 9:30AM-5:00PM
Sunday: 1:00-5:00PM

Teen Center Hours

Mon-Thurs: 10:00AM-8:00PM
Friday: 10:00AM-5:00PM
Saturday: 9:30AM-5:00PM
Sunday: 1:00-5:00PM

Holiday Closings

New Year’s Day, Presidents Day, Easter Sunday, Mother’s Day, Memorial Day, Father’s Day, Independence Day, Labor Day, Thanksgiving, Black Friday, Christmas Eve, Christmas Day, New Year’s Eve.


Directions to the Port Jefferson Free Library

100 Thompson Street, Port Jefferson, NY 11777

Directions from the Long Island Expressway

Take the LIE to NY Route 112 North (Exit 64 North). Proceed North on Route 112. Cross over Route 25 & Route 347. Continue on Route 112/25A (Main Street past the Railroad Station, down hill and into the Village of Port Jefferson. Turn right onto East Main Street and proceed to Thompson Street. The Library is on the corner. The Teen Center is located across East Main Street.

Directions from Alternate Routes

From western Long Island drive east on 25A from Smithtown through Stony Brook and Setauket to Port Jefferson Village. From western Long Island take Northern State Parkway to Veteran’s Memorial Highway. Drive East to Route 347 (Nesconset Highway). Proceed on Route 347 to Route 112. Turn left and proceed to Port Jefferson Village to Library. From Eastern Long Island take Route 25 to Route 112. Turn right onto Route 112 and proceed North to Port Jefferson Village. Turn right onto East Main Street and proceed to Thompson Street. The Library is on the corner. The Teen Center is located across East Main Street.



– The Library maintains a small parking lot directly behind the building off of Thompson Street, which is free for all Library users during our hours of operation.

– The Village of Port Jefferson offers many parking options.

Click to be redirected to the Village of Port Jefferson’s Parking webpage.

– On-street parking in designated spaces is free and timed. Time limits are shown on roadway signs and are strictly enforced. Always read the roadway sign.

Thompson Street (alongside the library) is limited to 30 minutes
East Main Street (in front of the library) is limited to 2 hours

– The Town of Brookhaven maintains a parking lot in between the marina and ferry parking lots. Fees are set by the Town of Brookhaven and may apply. Information is available from their booth at the entrance during their predetermined seasonal business hours.

The Library does NOT reimburse parking tickets