In 2009, the National Trust for Historic Preservation named the Commodore Ralph Middleton Munroe Marine Stadium to its list of America's 11 Most Endangered Historic Places. The National Trust designated the stadium as a National Treasure in March 2012.
The Commodore Ralph Middleton Munroe Marine Stadium was identified by the National Trust for Historic Preservation as one of the country's most endangered historic locations in 2009. Two years later, in March 2012, the National Trust formally designated the stadium as a national treasure.