Port Jefferson Free Library

Contact Information


100 Thompson Street
Port Jefferson, NY 11777
United States

Main Building 631-473-0022 • Teen Center (Direct) 631-509-5707
Fax Number
(631) 473-4765
Contact Email
Visit our website

Hours & Holidays

Operating Hours
Sunday: 13:00-17:00
Monday: 9:30-21:00
Tuesday: 9:30-21:00
Wednesday: 9:30-21:00
Thursday: 9:30-21:00
Friday: 9:30-17:00
Saturday: 9:30-17:00
Additional Hours

The Used Bookshop and Teen Center Hours are: Mon-Thurs: 10 am - 8 pm • Fri & Sat: 9:30 am - 5 pm • Sun: 1-5 pm (not in summer) | The Main Library, Used Bookshop and Teen Center are closed on Sundays during the summer from Memorial Day weekend through Labor Day weekend. 

Holiday Closures
Christmas Eve
Day after Thanksgiving
Easter Sunday
Father's Day
Independence Day
Labor Day
Memorial Day
Mother's Day
New Year's Day
New Year's Eve
President's Day

Available Services

Museum Passes
American Airpower Museum
Children's Museum of the East End
Cold Spring Harbor Fire House Museum
Cradle of Aviation Museum
Fire Island Lighthouse
Frick Collection
Guggenheim Museum
Intrepid Sea, Air and Space Museum
LI Museum of American Art, History and Carriages
Long Island Children's Museum
Long Island Explorium
Museum of Modern Art
New York State Empire Pass
New York Transit Museum
Parrish Art Museum
South Fork Natural History Museum
The Jazz Loft in Stony Brook
Vanderbilt Museum and Planetarium
Public Services
3D Printer
B&W Copier
Board Games
Career Online High School
Color Copier
Curbside Pickup
Discount Tickets
ESL Groups
Headphones for purchase
Home Delivery
Lawn Games
Library of Things
Meeting Rooms
Microfilm Reader
Mobile Printing
Music and Memory
One-on-One Appointments
Passport Services
Public Access Computers
Scanning Station
Sewing Machines
Technology Training
USB's for purchase
WiFi Hotspots
Word Processors