Birthday Parties

Book a Birthday Party

Make Your Child’s Birthday Unforgettable at the Long Island Explorium!

Host a celebration where fun, learning, and imagination come together. Our birthdays offer exclusive, private use of the Explorium, ensuring your group has full access to our immersive indoor exhibits. Whether you choose our Free Play Extravaganza or our STEM Adventure Party, every moment sparks curiosity and delight.

Choose Your Party Experience

Free Play Extravaganza – $300

  • What’s Included:
    • Private admission for up to 12 children (including the birthday child)
    • 90 minutes of open-ended play and exploration
    • 2 pizzas to keep the party energy high
  • Add-Ons:
    • Additional children (up to 20 total): $20 each
    • Extra pizzas: $25 each

COMING SOON TO THE EXPLORIUM and NEW FOR 2025
STEAM Adventure Party – $420
(intended for 1st grade and up)

  • What’s Included:
    • Private admission for up to 12 children (including the birthday child)
    • 2 hours of guided, hands-on STEM activities
    • Each child receives a take-home STEM kit
    • 2 pizzas to refuel mid-adventure
  • Add-Ons:
    • Additional children (up to 20 total): $32 each includes 1 STEAM Kit per child.
    • Extra pizzas: $25 each

Scheduling & Availability

  • Year-Round Parties:
    • Weekends: 10:30 am – 12:00 pm or 5:30 pm – 7:00 pm
    • Weekdays & Other Times: Available by request

We recommend booking early as dates fill up quickly!


Reserve Your Party Today

A $50 non-refundable deposit is required to secure your date. Ready to get started? Simply fill out the form below, and our team will help you plan a one-of-a-kind birthday celebration. If you have any questions or prefer to speak with us directly, feel free to call or email.

Book early as availability is limited.

Dates and times by reservation
Call: 631-331-3277
Email: parties@longislandexplorium.org

A $50 non-refundable deposit is required at booking to secure the date.

Animal Family
a week ago
6 years later still bringing the youngest who will be turning 8 this year and she loves going to play and have fun with all...
N W
2 years ago
Although space is small, it has all kinds of STEM setups and toys for kids to explore. My kid and her friend enjoyed their time...
Dara Persinger
2 years ago
My almost 5yr old loved this place! The young adults who work there were very nice, and we definitely plan on going back frequently! It's...