Museum Hours Archives - Long Island Explorium

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Open Play Hours – March 14-15th

Mar 14, 2026 1:00PM—Mar 15, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Feb 28th- March 1st

Feb 28, 2026 1:00PM—Mar 01, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Feb 21st- 22nd

Feb 21, 2026 1:00PM—Feb 22, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Winter Break Open Play Hours – Feb 20th

Feb 20, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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. Monthly Theme for:February…

Winter Break Open Play Hours – Feb 19th

Feb 19, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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. Monthly Theme for:February…

Winter Break Open Play Hours – Feb 18th

Feb 18, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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. Monthly Theme for:February…

Winter Break Open Play Hours – Feb 17th

Feb 17, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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. Monthly Theme for:February…

Winter Break Open Play Hours – Feb 16th

Feb 16, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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. Monthly Theme for:February…

Open Play Hours – Feb 14th – 15th

Feb 14, 2026 1:00PM—Feb 15, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Closed Due to Snow – Jan 25th

Jan 25, 2026 ALL DAY

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Jan 24th

Jan 24, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

HOLIDAY Open Play Hours – Jan 20th

Jan 20, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Jan 17th- 18th

Jan 17, 2026 1:00PM—Jan 18, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Jan 10th – 11th

Jan 10, 2026 1:00PM—Jan 11, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Jan 3rd – 4th

Jan 03, 2026 1:00PM—Jan 04, 2026 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

HOLIDAY Open Play Hours – Jan 2nd

Jan 02, 2026 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

HOLIDAY Open Play Hours – Dec 31st

Dec 31, 2025 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

HOLIDAY Open Play Hours – Dec 30th

Dec 30, 2025 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

HOLIDAY Open Play Hours – Dec 29th

Dec 29, 2025 1:00PM—5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…

Open Play Hours – Dec 27th – 28th

Dec 27, 2025 1:00PM—Dec 28, 2025 5:00PM

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

Museum Hours See a list of Upcoming Events Open Play Hours – School Year Hours in Effect 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…