Library Information

Port Jefferson Free Library

100 Thompson Street

Port Jefferson, NY 11777

(631) 473-0022

Monday-Friday: 9:30 AM - 9:00 PM

Saturday: 9:30 AM - 5:00 PM

Sunday: 1:00 PM - 5:00 PM

Summer Hours (May-Sept): Close at 5:00 PM on Friday and Closed on Sunday

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