The second Belle Isle Bath House opened in 1909.

Photo from the Library of Congress; Retouching by Helmut Ziewers

Photo from the Library of Congress; Retouching by Helmut Ziewers

Thousands of Detroiters visited the Bath House each summer.

Photo from the Library of Congress

The Bath House, seen in 1912

Photo from the collection of Vance Patrick

An undated photo of the second bath house

Photo from the collection of Vance Patrick

The Bath House in June 1934

Detroit News photo from the collection of Vance Patrick

The Bath House and beach packed with Detroiters on July 16, 1932

Detroit News photo from the collection of Vance Patrick

The Bath House on July 1, 1937

Detroit News photo from the collection of Vance Patrick

Photo from the collection of Vance Patrick