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 20, 2025 5:00PM—6:30PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
Nov 18, 2025 5:00PM—6:30PM
Oct 30, 2025 5:00PM—6:30PM
Oct 28, 2025 5:00PM—6:30PM
Feb 27, 2025 5:00PM—6:00PM
Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777
Jan 23, 2025 5:00PM—6:00PM
