The Crackstate is a monumental stins in the Dutch town of Heerenveen, Friesland.

It was built in 1648 by order of Johannes Sytzes Crack, the namesake of the estate.

The Crackstate was built in 1648 by order of Johannes Sytzes Crack, grietman of Aengwirden, on the site where a stins stood dating from 1599.

For more than a century, the building served as a courthouse and as a Huis van Arrest (prison).

During the Second World War, torture and executions took place in this prison by members of the Nazi German Sicherheitsdienst (SD).