Sunday hours September through May 

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 September through May only.

Welcome to the beautiful, new Dix Hills Branch located at 55 Vanderbilt Parkway.

The mission of the Half Hollow Hills Community Library is to offer a welcoming space, both digital and physical, with professional staff, services, programs and materials that provides learning, cultural enrichment and entertainment to the community.

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.

Sunday hours are for September through May only.