School Year Scheduling is in Effect!
In addition the Long Island Explorium is open on:
Closed Christmas Eve, Christmas Day, & New Year's Day
Additional dates to be added
Nov 11, 2025 9:00AM—3:00PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
Nov 04, 2025 9:00AM—3:00PM
Oct 13, 2025 9:00AM—3:00PM
Oct 02, 2025 9:00AM—3:00PM
Jan 29, 2025 9:00AM—12:00PM
Jan 20, 2025 9:00AM—12:00PM
