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  • Discovery Days at the Long Island Explorium – 1-20-25

    Jan 20, 2025 9:00AM—12:00PM

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    School Holidays January 2025 Discovery Days Workshop – Dream Big Discovery Day School Holiday Drop-Off Program for Grades 2-69:00 AM – 12:00 PM | $40 per Child | Max 20 Children Start the new year with excitement and discovery at the Long Island Explorium’s January Discovery Days! These special programs offer hands-on learning experiences, sparking…

  • STEM Scouts: Girl Scout Badge Quest – January 23rd – Engineer It!

    Jan 23, 2025 5:00PM—6:00PM

    Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

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    Inspiring Future Innovators STEM Scouts: Girl Scout Badge Quest Thursday, January 23rd – Engineer It! 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, Robotics, and Outdoor STEM-through…

  • Discovery Days at the Long Island Explorium – 1-29-25

    Jan 29, 2025 9:00AM—12:00PM

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    School Holidays January 2025 Discovery Days Workshop – Dream Big Discovery Day School Holiday Drop-Off Program for Grades 2-69:00 AM – 12:00 PM | $40 per Child | Max 20 Children Start the new year with excitement and discovery at the Long Island Explorium’s January Discovery Days! These special programs offer hands-on learning experiences, sparking…

  • First Mondays: Homeschool Families Exclusive at the LI Explorium 2-3-25

    Feb 03, 2025 10:00AM—12:00PM

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    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 participating in a new, self-guided STEM activity every month. Program…

  • STEM Scouts: Girl Scout Badge Quest – February 27th – Cyber Explorers

    Feb 27, 2025 5:00PM—6:00PM

    Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

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    Inspiring Future Innovators STEM Scouts: Girl Scout Badge Quest Thursday, February 27th – Cyber Explorers 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, Robotics, and Outdoor STEM-through…

Current & Upcoming

Discovery Days at the Long Island Explorium – 1-20-25

Jan 20, 2025 9:00AM—12:00PM

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Discovery Day Interactive Workshops on MLK, Jr Day 2025 School Holidays January 2025Discovery Days Workshop – Dream Big Discovery Day School Holiday Drop-Off Program for Grades 2-69:00 AM – 12:00 PM | $40 per Child | Max 20 Children Start the new year with excitement and discovery at the Long Island Explorium’s January Discovery Days!…

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STEM Scouts: Girl Scout Badge Quest – January 23rd – Engineer It!

Jan 23, 2025 5:00PM—6:00PM

Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Register

STEM Scouts: Girl Scout Badge Quest Inspiring Future Innovators STEM Scouts: Girl Scout Badge QuestThursday, January 23rd – Engineer It! 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,…

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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

Museum Hours – During Port Jefferson Ice Festival Weekend at the Long Island Explorium  Open Play: During Port Jefferson Ice Festival January 18–19, 2025 Activity Included with Admission Icy Creations: Make Your Own Icicle Art Unleash your creativity this winter at the Long Island Explorium! Craft shimmering icicles that sparkle like those hanging from rooftops…

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Sensory Saturdays: Saturday, January 25, 2025

Jan 25, 2025 10:00AM—11:30AM

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🎉 Sensory Saturdays 🕛 Sensory Saturdays Sensory-Friendly STEM Exploration Last Saturday of Each Month: January 25, February 22, March 29, April 26th 10:00-11:30 am $25 per child (one adult allowed per child) $15 each additional child 15 children max Grades PreK-5 Join us for Sensory Saturdays, the last Saturday of each month, for a special…

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Discovery Days at the Long Island Explorium – 1-29-25

Jan 29, 2025 9:00AM—12:00PM

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Discovery Day Interactive Workshops on Lunar New Year 2025 School Holidays January 2025Discovery Days Workshop – Dream Big Discovery Day School Holiday Drop-Off Program for Grades 2-69:00 AM – 12:00 PM | $40 per Child | Max 20 Children Start the new year with excitement and discovery at the Long Island Explorium’s January Discovery Days!…

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First Mondays: Homeschool Families Exclusive at the LI Explorium 2-3-25

Feb 03, 2025 10:00AM—12:00PM

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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…

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STEM Scouts: Girl Scout Badge Quest – February 27th – Cyber Explorers

Feb 27, 2025 5:00PM—6:00PM

Port Jeff Harbor 101 East Broadway Port Jefferson, NY 11777

Register

STEM Scouts: Girl Scout Badge Quest Inspiring Future Innovators STEM Scouts: Girl Scout Badge QuestThursday, February 27th – Cyber Explorers 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,…

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First Mondays: Homeschool Families Exclusive at the LI Explorium 3-3-25

Mar 03, 2025 10:00AM—12:00PM

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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…

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First Mondays: Homeschool Families Exclusive at the LI Explorium 4-7-25

Apr 07, 2025 10:00AM—12:00PM

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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…

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First Mondays: Homeschool Families Exclusive at the LI Explorium TUESDAY EDITION 5-6-25

May 07, 2025 10:00AM—12:00PM

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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…

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Past | Archive

Open Play Hours – 1-5-25

Jan 05, 2025 1:00PM—5:00PM

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

Open Play Hours – 1-4-25

Jan 04, 2025 1:00PM—5:00PM

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

HOLIDAY Open Play Hours – 12-31-24

Dec 31, 2024 1:00PM—5:00PM

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

HOLIDAY Open Play Hours – 12-30-24

Dec 30, 2024 1:00PM—5:00PM

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