Location Information
100 Thompson Street
Port Jefferson
, NY
11777-1897
The mission of the Port Jefferson Free Library is to be a place of lifelong learning where the community gathers to share and obtain open access to information, services and entertainment, through literature, programming, facility use and outreach.

Phone:
Main Building (631) 473-0022 • Teen Center (631) 509-5707
Fax Number:
(631) 473-4765
Contact Email:
adref@portjefflibrary.org
Visit our website:
Public Services:
3D Printer
B&W Copier
Board Games
Career Online High School
Color Copier
Curbside Pickup
ESL Groups
Fax
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
Storytimes
Technology Training
USB's for purchase
Wi-Fi
WiFi Hotspots
Word Processors
Museum Passes:
American Airpower Museum
Children's Museum of the East End
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
Nassau County Museum of 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
Hours of operation
- Monday:9:30 - 9:00
- Tuesday:9:30 - 9:00
- Wednesday:9:30 - 9:00
- Thursday:9:30 - 9:00
- Friday:9:30 - 5:00
- Saturday:9:30 - 5:00
- Sunday:1:00 - 5:00
The library is operating on new hours. We now close at 5 PM on Fridays. | We are open Sundays after Labor Day weekend through the weekend before Memorial Day weekend. | 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.