The Castle is a 501(c)3 not-for-profit organization. Our mission is:

Through our historic property, distinctive collections, and dynamic educational programs, The Castle invites a diverse audience to discuss the story of the Marietta, Ohio community and its role in shaping the past, present, and future of our region, state, nation, and world.

Learn more about our mission, vision, and beliefs.

To be a part of fulfilling that mission, there are three ways that you can assist us:

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