"Edisto" was one of the icebreakers designed by Lieutenant Commander Edward Thiele and Gibbs & Cox of New York, who modeled them after plans for European icebreakers he obtained before the start of World War II. She was the last of seven completed ships of the of icebreakers operated by the United States Coast Guard. Her keel was laid on May 15, 1945 at Western Pipe and Steel Company shipyards in San Pedro, California, she was launched on December 28, 1946, and commissioned on March 20, 1947.