Upcoming Events

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

Skate into STEM: Celebrating 20 Years of Innovation

Mar 07, 2025 6:00PM—8:00PM

The Rinx at Port Jefferson 101-A East Broadway Port Jefferson, NY 11777

Sensory Saturdays, 3-29-25

Mar 29, 2025 10:00AM—11:30AM

Maker Faire Long Island, June 7th, 2025

Jun 07, 2025 10:00AM—5:00PM

Port Jefferson Harborfront

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

Mar 03, 2025 10:00AM—12:00PM

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

Apr 07, 2025 10:00AM—12:00PM

Sensory Saturdays, 4-26-25

Apr 26, 2025 10:00AM—11:30AM

Our current General Hours are:

Saturday and Sunday: 1 PM – 5 PM
School Year Hours in effect starting September 2nd, 2024

Additional hours during special events, school breaks, and holidays as noted. See our Calendar of Events page for upcoming events

Stay informed by signing up for our newsletter and following us on social media.

For more details, including a virtual tour, map, and additional information, visit our Visit Us Page.

Monday through Friday:
Closed
Saturday:
1:00 PM - 5:00 PM
Sunday:
1:00 PM - 5:00 PM

In addition to our regular hours, we will be OPEN:

  • Martin Luther King Jr Day: Monday, 1/20/25.
  • Lunar New Year: Wednesday, 1/29/25.
  • February Break: Monday, 2/17/25 through Friday, 2/21/25.
  • Spring Break: Monday, 4/14/25 through Friday, 4/18/25.
  • Memorial Day: Monday, 5/26/25.
  • Juneteenth: Thursday, 6/19/25.

Closed Christmas Eve & Christmas Day

Additional dates to be added