An official Path Through History Site! The Maritime Explorium is a hands-on interactive museum for families to explore the rich maritime heritage of the area through activities and exhibits rich in science, technology, engineering and math. The museum is housed in the historic Bayles Chandlery building located on the waterfront in downtown Port Jefferson. The museum has an exhibit area dedicated to the history of the building with photos of the exterior and interior of the Chandlery dating to the late 1800's and early 1900's. Interactive exhibits feature Port Jefferson harbor and the native flora and fauna with information about the environment and conservation.