Closed June 19–22 for Maintenance
Summer Scheduling is in Effect!
The Long Island Explorium is closed on:
Check back here for updated scheduling.
Nov 08, 2025 1:00PM—Nov 09, 2025 5:00PM
Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777
Nov 01, 2025 1:00PM—Nov 02, 2025 5:00PM
Oct 25, 2025 1:00PM—Oct 26, 2025 5:00PM
Oct 20, 2025 1:00PM—5:00PM
Oct 18, 2025 1:00PM—Oct 19, 2025 5:00PM
Oct 13, 2025 1:00PM—5:00PM
