The Cedar Key Museum State Park is a state park in Cedar Key, Florida. It features the Saint Clair Whitman House which is the main highlight of the site serving as a biographical museum.

The Saint Clair Whitman House is a historic house, best noted for its association with Saint Clair Whitman. Whitman is famous for being the founder of the first museum in Cedar Key. The Cedar Key Museum State Park was established in 1962 to showcase this property, which also features Whitman’s collections that include antique glassware, old bottles, old photographs of the city, a complete collection of sea shells, and items from the pencil, fiber broom, and brush manufacturing days among other things.

The Cedar Key Museum State Park also offers a short nature trail and some opportunities for wildlife observation.