Events Archive - Long Island Explorium

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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…

NOON Year’s Eve, Wednesday, December 31, 2025

Dec 31, 2025 10:00AM—12:00PM

Noon Year’s Eve – Countdown to Noon Celebration Wednesday, December 31st, 2023 – 10 AM – 12 PM,Noon Year’s Eve – Countdown to Noon Celebration Experience the Magic of a Morning New Year’s Celebration!Kick off the New Year with a joyful morning celebration at the Long Island Explorium. There is no need to stay…

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…

HOLIDAY Open Play Hours – Dec 26th

Dec 26, 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 20th- 21st

Dec 20, 2025 1:00PM—Dec 21, 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…

Dicken’s Festival Weekend – Open Play Hours – Dec 6th & 7th

Dec 06, 2025 12:00AM—Dec 07, 2025 11:59PM

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

See a list of Upcoming Events Open Play Hours – School Year Hours in Effect Open Hours, during Dicken’s Festival Weekend: December 6-7thJoin the Long Island Explorium for a Weekend of Family Fun! December 6-7, 20251:00-5:00 pm (museum open hours) Step back in time for a festive afternoon at the Long Island Explorium! Enjoy popcorn…

Community Appreciation Day – Black Friday at the Long Island Explorium!

Nov 28, 2025 1:00PM—5:00PM

Long Island Explorium 101 E Broadway, Port Jefferson, NY

Celebrate Community, Creativity, and Cheer this Black Friday Open Hours, November 28, 2025 (Black Friday)Community Appreciation Day Black Friday at the Long Island Explorium! Black Friday at the Long Island ExploriumFriday, November 28, 20251:00 PM to 5:00 PM Kick off the holiday season with a STEM filled afternoon at the Long Island Explorium. Bring the…

Open Play Hours – SCHOOL HOLIDAY- Nov 26th

Nov 26, 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 – Nov 22nd – 23rd

Nov 22, 2025 1:00PM—Nov 23, 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…

STEM Scouts: Girl Scout Badge Quest – Special Agents & Detectives – November 20, 2025

Nov 20, 2025 5:00PM—6:30PM

Long Island Explorium 101 East Broadway Port Jefferson, NY 11777

November 20, 2025 – GIRL SCOUTS – STEM SCOUTS Thursday, November 20th, 2025 Juniors & Cadettes Thursday, November 20, 2025 | 5:00 – 6:30 PM Long Island Explorium, Port Jefferson A thrilling STEM mystery adventure for curious Scouts! Who stole the cookies? Step into the shoes of a real detective and use logic, observation, and critical…

STEM Scouts: Girl Scout Badge Quest – Mechanical Engineering – November 18, 2025

Nov 18, 2025 5:00PM—6:30PM

Long Island Explorium 101 East Broadway Port Jefferson, NY 11777

NOVEMBER 18, 2025 – GIRL SCOUTS – STEM SCOUTS November 18, 2025 For Girl Scout Daisies & Brownies Tuesday, November 18, 2025 | 5:00 – 6:30 PMFor Girl Scout Daisies & Brownies Calling all Girl Scouts! Join us at the Long Island Explorium for a special evening of hands-on STEM discovery designed just for scouts.…