The library is closed on Sundays during the summer.

Sunday hours are from September through May only.

Library is closed on Sundays from mid-June to early October – Call for more information.

Harborfields Public Library is dedicated to providing access to information, ideas and knowledge through books, programs, technology and other resources. We welcome and support our community in its pursuit of education, culture and enrichment activities.

Sunday hours are from October through mid-May only.

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.