New Exhibit!
Eight decades ago, Chatham Radio covertly intercepted
German U-boat messages and was credited with shortening
the Battle of the Atlantic, the longest single battle of World War II.
Can You Keep A Really Big Secret?
explores everyday life in Chatham as a wartime “Navy town”
and the mission that helped change the course of the war.

A maritime communication history and STEM education center, Chatham Marconi includes the
Marconi/RCA-Wireless Museum featuring interactive exhibits, an Education Center offering classes and activities for children and families, and an Antenna Trail perfect for a nature walk.
Summer STEM Is Fun!


Register now for exciting 2025 summer learning adventures in
Science, Technology, Engineering and Math!
Every summer Chatham Marconi Summer STEM offers a wonderful selection of opportunities to engage children’s curiosity and creativity during school vacation.
Summer STEM is a popular program for families living or vacationing on the Cape, and tuition discounts for children and grandchildren are a Chatham Marconi Membership benefit at the Supporting Level and above. Space is limited, so be sure to check the class schedule and descriptions and register soon!


Chatham Marconi Speaker Series
Cape Cod Bay's Target Ship
July 24th @ 7PM
Do you remember “The Target Ship”? What was the need for a target ship and why was it brought to Cape Cod Bay? Perhaps you have your own stories of seeing the SS James Longstreet out in Cape Cod Bay in the '60s, '70s and early '80s.

Awareness Inspires Conservation
August 7th @ 7PM
This program will provide audiences with an understanding of the ongoing white shark research projects being conducted and funded by the Atlantic White Shark Conservancy, how that research is impacting conservation and public safety efforts, and up to date information on what that research has taught us
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The Global Maritime Industry (Part II)
September 4th @ 7PM
In the second part of his 2-part presentation, Christopher McMahon continues his detailed look at the industry and the ships which make global trade possible.

Reginald Fessenden:
Brilliant Inventor, Unsuccessful Radio Entrepreneur
October 2nd @ 7PM
Reginald Aubrey Fessenden, a Marconi contemporary, made significant advances in radio technology from 1900 to 1911. We’ll look at his life, selected radio inventions, business activity and contrast his contributions to that of Guglielmo Marconi.
