Past | All
Open Play Hours – June 28th thr 29th
Jun 28, 2025 1:00PM—Jun 29, 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 – Summer Hours Start July 3rd 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…
View MoreOpen Play Hours – June 21st thr 22nd
Jun 21, 2025 1:00PM—Jun 22, 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 – Summer Hours Start July 3rd 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…
View MoreOpen Play Hours – June 19th
Jun 19, 2025 1:00PM—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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreOpen Play Hours – June 14th thr 15th
Jun 14, 2025 1:00PM—Jun 15, 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 – Summer Hours Start July 3rd 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…
View MoreOpen Play Hours – June 7th thr 8th
Jun 07, 2025 1:00PM—Jun 08, 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 – Summer Hours Start July 3rd 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…
View MoreFirst Mondays: Homeschool Families Exclusive at the LI Explorium 6-2-25
Jun 02, 2025 10:00AM—12:00PM
First Mondays: Homeschool Families Exclusive at the Long Island Explorium Exclusive STEM Adventures for Homeschool Families – Start each month with an enriching and interactive STEM experience designed exclusively for homeschool families at the Long Island Explorium! First Mondays offer a unique opportunity for homeschoolers to enjoy private, hands-on access to our engaging exhibits while…
View MoreOpen Play Hours – May 31st thr June 1st
May 31, 2025 1:00PM—Jun 01, 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreOpen Play Hours – May 24th thr 25th
May 24, 2025 1:00PM—May 25, 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreOpen Play Hours – May 17th thr 18th
May 17, 2025 1:00PM—May 18, 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreFirst Mondays: Homeschool Families Exclusive at the LI Explorium TUESDAY EDITION 5-6-25
May 06, 2025 10:00AM—12:00PM
First Mondays: Homeschool Families Exclusive at the Long Island Explorium Exclusive STEM Adventures for Homeschool Families – Start each month with an enriching and interactive STEM experience designed exclusively for homeschool families at the Long Island Explorium! First Mondays offer a unique opportunity for homeschoolers to enjoy private, hands-on access to our engaging exhibits while…
View MoreOpen Play Hours – May 3rd thr 4th
May 03, 2025 1:00PM—May 04, 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreSensory Saturdays, 4-26-25
Apr 26, 2025 10:00AM—11:30AM
Sensory Saturdays at the Long Island Explorium – Sensory Friendly STEM Exploration Join us at the Long Island Explorium for SENSORY SATURDAYS – a brand-new program designed to offer a sensory-friendly environment for families to explore STEM concepts in a calm and supportive space! Highlights: Each month, we’ll feature a special sensory-friendly activity that encourages…
View MoreOpen Play Hours – April 26th thr 27th
Apr 26, 2025 1:00PM—Apr 27, 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreSTEM Scouts: Girl Scout Badge Quest – April 24th – Outdoor Innovators
Apr 24, 2025 5:00PM—6:30PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
STEM Scouts: Girl Scout Badge Quest Inspiring Future Innovators STEM Scouts: Girl Scout Badge QuestThursday, April 24th – Outdoor Innovator Girl Scouts (Daisies, Brownies, and Juniors) are invited to the Long Island Explorium to engage in hands-on STEM activities designed to help them earn their STEM badges. Each month, Scouts will explore a new theme—Engineering,…
View MoreCommunity Mix & Mingle
Apr 22, 2025 6:00PM—8:00PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
Community Mix & Mingle Tuesday, April 22, 2025 | 6:00 – 7:00 PMCommunity Mix & Mingle Connect with neighbors, and friends at our casual evening of conversation, community and celebration Community Mix & MingleShare Your Vision for the Explorium! Tuesday, April 22, 2025 | 6:00 – 7:00 PMLong Island Explorium Please RSVP to help us…
View MoreSpring Break Camp 2025
Apr 14, 2025 9:00AM—Apr 16, 2025 12:00PM
Monday, Tuesday, & Wednesday April 14th, 15th, and 16thSTEM ADVENTURE CAMP – SPRING BREAK 2025 Welcome to the Long Island Explorium’s Spring Break STEM Adventure Camp! Over three exciting mornings, budding scientists, builders, and wayfinders will explore the wonders of nature, experiment with innovative robotics, and embark on an oceanic quest—all inspired by favorite movie…
View MoreFirst Mondays: Homeschool Families Exclusive at the LI Explorium 4-7-25
Apr 07, 2025 10:00AM—12:00PM
First Mondays: Homeschool Families Exclusive at the Long Island Explorium Exclusive STEM Adventures for Homeschool Families – Start each month with an enriching and interactive STEM experience designed exclusively for homeschool families at the Long Island Explorium! First Mondays offer a unique opportunity for homeschoolers to enjoy private, hands-on access to our engaging exhibits while…
View MoreSensory Saturdays, 3-29-25
Mar 29, 2025 10:00AM—11:30AM
Sensory Saturdays at the Long Island Explorium – Sensory Friendly STEM Exploration Join us at the Long Island Explorium for SENSORY SATURDAYS – a brand-new program designed to offer a sensory-friendly environment for families to explore STEM concepts in a calm and supportive space! Highlights: Each month, we’ll feature a special sensory-friendly activity that encourages…
View MoreOpen 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: Closed June 19–22 for Maintenance Saturday and Sunday: 1 PM – 5 PM…
View MoreSTEM Scouts: Girl Scout Badge Quest -March 27th – Robo-Rangers
Mar 27, 2025 5:00PM—6:30PM
Long Island Explorium 101 East Broadway Port Jefferson, NY 11777
STEM Scouts: Girl Scout Badge Quest Inspiring Future Innovators STEM Scouts: Girl Scout Badge QuestThursday, March 27th – Robo-Rangers Girl Scouts (Daisies, Brownies, and Juniors) are invited to the Long Island Explorium to engage in hands-on STEM activities designed to help them earn their STEM badges. Each month, Scouts will explore a new theme—Engineering, Cybersecurity,…
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