Placid Harbor is rich in history 

The Winpisinger Center was originally known as Placid Harbor.  The Winpisinger Center is located in St. Mary’s County, Maryland, an area rich in history.  Native American tribes had many settlements and a rich cultural history in the Chesapeake Bay area.  The first European settlements in Maryland and Maryland’s original colonial capitol were established nearby in the 17th century.  Numerous actions during the War of 1812 took place in the vicinity.  

Placid Harbor itself was owned by a well-to-do Maryland landowner and later by one of the most anti-worker, anti-union radio commentators in history – Fulton Lewis, Jr.  The IAM purchased the property and buildings from the Retail Clerks Union in 1980 and began construction of the new classrooms and administrative facilities in 1982.  In 2001, the IAM undertook and opened an expansion of the facilities which dramatically increased the dormitory and instructional space available.