Fall Hours Start Monday, September 2nd and runs throughout the school year!
The Long Island Explorium is open additional school holidays and breaks. Check back here for updated scheduling.
Jun 08, 2024 10:00AM—5:00PM
Port Jefferson Harborfront
Jun 03, 2023 10:00AM—5:00PM
Jun 08, 2019 10:00AM—5:00PM
