About the Society

The Historical Society of Greater Port Jefferson was founded in 1967. Its purpose is to discover, preserve and disseminate knowledge about the history of the Greater Port Jefferson area. Public meetings with historical presentations are held throughout the year. The Society also prepares annual exhibits and displays in the Mather House Museum. Our photographs and documents are available to researchers by appointment. An annual fund raising Auction is held in the fall and an Antiques and Gardens Show and Sale is held in the spring.



About the Museum

Mather Museum is open Wednesday to Sunday, 12 - 4 p.m. from May 25 to October 13, 2019.  A docent guided tour is available for the main museum and all of the complex buildings. Donation requested.

For information and directions please call (631) 473-2665. You are cordially invited to become a member5