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 28, 2025 1:00PM—5:00PM
Long Island Explorium 101 E Broadway, Port Jefferson, NY
Apr 22, 2025 6:00PM—8:00PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
Dec 13, 2024 6:00PM—8:00PM
Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777
Nov 29, 2024 1:00PM—5:00PM
Oct 20, 2024 1:00PM—5:00PM
Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777
Oct 19, 2024 1:00PM—5:00PM
