The Mayani Courthouse is a historic courthouse located on Bayfront Boulevard in Downtown, Mayani. The first part of the courthouse was built in 1907, and the tower was built in 1925. The building was originally built for storage of deceased and executed criminals after the outlaw cleaning of Mayani Beach and afterwards until it was made into a courthouse during the 1940's. It stands 10 floors tall and when the courthouse was built, it was the tallest building in Florida. The courthouse is also linked to the Grove County Administration Center.

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