Alcatraz or the Rock is a name that is commonly associated with the infamous prison located on an island in San Francisco Bay. However, there are a number of synonyms that can be used to refer to this iconic landmark. Some possible alternatives include The Island Prison, The Penitentiary Island, and The Rock Island. Other terms that may be used to describe Alcatraz include The Alcatraz Federal Prison, The San Francisco Federal Penitentiary, and The Rock Jail. Regardless of the term used, Alcatraz remains a fascinating part of American history that continues to captivate visitors from around the world.