Long Island Explorium - Print on Demand

Port Jeff Harbor 101 East Broadway, Port Jefferson, New York, 11777 Map

Free admission for up to 6 people. Museum is open 1 p.m. to 5 p.m. year round on Saturday and Sunday and select school holidays. Museum hours during July and August are Wednesday-Sunday from 1pm-5pm. Visit longislandexplorium.org or call 631-331-3277 for more information.

Please be advised, patrons are responsible for contacting the museum to confirm hours and schedules.

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Passes Availability

Digital (downloadable via email) passes are available. Select your desired visit date from the calendar below.

April 2025

Determining Availability