Event List

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Age Group
Program Type

Christmas Eve

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Christmas

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

New Year's Eve

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

New Year's Day

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing
Baby Harbor Seal

Seal Walk at Cupsogue Beach

Saturday, January 17, 2026 at 1:00pm - 3:00pm
Off Site
Program Type:
Information/Lecture, On the Road
Age Group:
Families, Adults
Upcoming
Registration Required
Offsite Event

MLK Jr Day

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Presidents Day

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Easter Sunday

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Memorial Day

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Independence Day

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing

Library Closed

All Day
Main Library, Mastic Beach Branch, Moriches Branch, All three library buildings, Off Site, Online Program, Mastic Recreation Center
Closing