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Welcome to Hammond
Castle Museum

A historic treasure perched along the stunning coastline of Gloucester, Massachusetts. With nearly 100 years of history, this medieval-style castle was the creation of famed inventor John Hays Hammond Jr. and now serves as an exciting STEAM museum that blends history, science, and art.

Hammond Castle Museum offers visitors an array of interactive exhibits, educational programming, and hosts a variety of community events, from seasonal tours to theatrical performances and family-friendly activities.

Whether you’re exploring our collection of antiquities, delving into early 20th-century technology, or attending one of our engaging events, Hammond Castle Museum is a must-visit for history enthusiasts, families, and curious minds. Plan your visit today and experience one of New England’s premier cultural destinations!

Our Events Schedule

Want to learn more about upcoming events this season? Check out our 2025 Events Guide.

Guided & Self-Guided Tours

Enjoy a Guided or Self-Guided tours through one of the most amazing architectural structures in America. As a STEAM organization (Science, Technology, Engineering, Art, and Mathematics), we also celebrate our role as a historic house museum and lapidarium, emphasizing works of stone and marble in ways that set us apart....
A night of fierce performances, laughter, and glam as four of the...
9:30 am- 11:30 am | Join us for a seaside, en plein...
9:00 am - 3:30 pm | Gloucester residents enjoy complimentary admission every...
Tours run on the half hour beginning at 6:30 pm | These...

Bring your Together Forever Story to Hammond Castle

Hammond Castle Museum offers an enchanting setting for your special moments. Whether it’s an engagement, elopement, or wedding celebration, the Castle provides the perfect backdrop for both grand gatherings and smaller celebrations alike. Let your love story start in a place as timeless as romance itself.

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BECOME PART OF CAPE ANN HISTORY

Become a Member

Now is the perfect time to purchase a Membership! Don’t miss any chance to enjoy expanded access to this evolving STEAM Museum and vibrant historic site through YOUR Membership!

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Help Us Restore and Preserve The Museum

Help us safeguard an irreplicable piece of history as we continue to restore and preserve our nearly century-old historic site.

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Corporate Outings

For events from 10 to 100 guests, the Museum has designed exciting tours to encourage corporate team building and development.

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Spinning Platters with Hammond

Our new temporary exhibition features highlights from Hammond’s vast vinyl and shellac record collection,  along with interactive and multimedia elements that break down the science of sound
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An amazing journey

Called the “Father of Radio Control” and dubbed  “the Electronic Sorcerer” during his lifetime, John Hays Hammond Jr. lived a complex life and left an eclectic legacy.

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COME JOIN US.

A membership to the Museum gives you four seasons of entertainment, culture and events.

What Does my Membership Include?

Our members enjoy free admission to new, temporary exhibits and daytime tours, savings on special event tickets, and invites to member events. As a non-profit organization, your membership is entirely tax-deductible.

How am I Supporting the Museum?

Your support enables us to continue to evolve by creating new content, new exhibits, and new programs, as well as to restore and preserve this historic site for generations.  

Are There Other Membership Benefits?

Members enjoy up to 20% off special events, Spiritualism by Candlelight Tours, and purchases in the Museum Shop.

Error validating access token: Session has expired on Saturday, 04-Jan-25 07:02:54 PST. The current time is Thursday, 22-May-25 17:42:28 PDT.

Plan your visit today!

Welcome to Hammond Castle Museum!

Our new daily hours are 9:00 am to 3:30 pm; last entrance is at 2:45 pm.

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