Museum Hours

Current & Upcoming

Open Play Hours – March 29th thr 30th

Mar 29, 2025 1:00PM—Mar 30, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Museum Hours Open Play at the Long Island Explorium Join us as we celebrate STEM, Space, Math, and Maker Activities all month long with exhibits, workshops, and special events! Join us for hands-on activities, crafts, and more. Our current General Hours are: Saturday and Sunday: 1 PM – 5 PM School Year Hours in effect…

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Past | Archive

Open Play Hours – March 22nd thr 23rd

Mar 22, 2025 1:00PM—Mar 23, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Open Play Hours – March 15th thr 16th

Mar 15, 2025 1:00PM—Mar 16, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Open Play Hours – March 8th thr 9th

Mar 08, 2025 1:00PM—Mar 09, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Open Play Hours – March 1st thr 2nd

Mar 01, 2025 1:00PM—Mar 02, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Open Play Hours – Winter Break

Feb 18, 2025 1:00PM—Feb 21, 2025 5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Ice Festival Weekend – Open Play Hours – 1-25-25

Jan 25, 2025 1:00PM—5:00PM

Long Island Explorium Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777