After a brief tour of duty around San Diego during the early part of 1946, she was ordered to Pearl Harbor to prepare for Operation Cross-roads.

Bexar operated along the Eastern seaboard and in the Caribbean until July 1950, making a Mediterranean cruise (January–February 1948) with Marines embarked.

Between March 1948 and July 1950 she participated in several amphibious exercises and Naval Reserve cruises along the East Coast.

During the latter she served as flagship for Operation Big Switch, the movement of prisoners from Koje Do to Inchon, Korea.

Bexar made another tour of the Far East (23 October 1954 – 22 April 1955) during which she participated in the Tachen Islands evacuation.

She was returned to the Maritime Administration on 1 July 1972, and laid up in the National Defense Reserve Fleet at Suisun Bay, California.