Closed June 19–22 for Maintenance
Summer Scheduling is in Effect!
The Long Island Explorium is closed on:
Check back here for updated scheduling.
Aug 27, 2025 1:00PM—Sep 01, 2025 5:00PM
Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777
Aug 20, 2025 1:00PM—Aug 24, 2025 5:00PM
Jul 30, 2025 1:00PM—Aug 03, 2025 5:00PM
Jul 23, 2025 1:00PM—Jul 27, 2025 5:00PM
Jul 16, 2025 1:00PM—Jul 20, 2025 5:00PM
Jul 09, 2025 1:00PM—Jul 13, 2025 5:00PM
