Get a Library Card

Membership to the Port Jefferson Free Library is free to residents of the Port Jefferson Union Free School District. Miller Place and Mount Sinai School District residents have the option to elect membership in either the Port Jefferson Free Library OR Comsewogue Library each year.

*Active membership may not be established in both libraries*

Apply or Renew in person or online below

You must present/upload any TWO of the following items which list both your name and address within the Library’s service district.

Items must be current:

  • NYS Driver License or Non-Driver ID
  • NYS Auto Registration or Insurance Card
  • Federal, State, County and/or Town Government Issued ID
  • Property Tax Receipts
  • Business Statements (Utility, Bank or Credit Card dated within 60 days)

All children are encouraged to have a Library card in their name. Both child and parent must be present when applying. Each patron must present his/her own Library card in order to use Library services. Please notify the Library immediately of any change of information or if the card has been lost or stolen.

Lost or damaged cards will be replaced at a cost of $1.00.

Get a Library Card Online

Fill out and submit the form below and have your library card number emailed to you within 2 business days. Please note, library cards can only be issued to residents of the Mount Sinai, Miller Place and Port Jefferson SCHOOL Districts. If you reside in another school district please check the Long Island Index to see your library district.

Parent/legal guardian must apply for minor child (under age 18)

Please attach any of the following: NYS Driver License or Non-Driver ID, NYS Auto Registration or Insurance Card, Federal, State, County and/or Town Government Issued ID, Property Tax Receipts, Business Statements (Utility, Bank or Credit Card dated within 60 days)
Please attach any of the following: NYS Driver License or Non-Driver ID, NYS Auto Registration or Insurance Card, Federal, State, County and/or Town Government Issued ID, Property Tax Receipts, Business Statements (Utility, Bank or Credit Card dated within 60 days)
I apply for the right to use the Library and agree to abide by all Library guidelines and policies.

Temporary Digital Library Card

Click here to apply for a temporary digital library card, valid for 30 days. With this temporary digital card, you are able to download ebooks and use databases available from livebrary.com, brought to you by the public libraries of Suffolk County, NY.