The Palm Beach Cardinals are a Minor League Baseball team of the Florida State League and the Single-A affiliate of the St. Louis Cardinals.

They are located in the town of Jupiter in Palm Beach County, Florida, and play their home games at Roger Dean Chevrolet Stadium.

[1] They share the facility with the Jupiter Hammerheads, also of the Florida State League.

In conjunction with Major League Baseball's restructuring of Minor League Baseball in 2021, the Cardinals were organized into the Low-A Southeast at the Low-A classification.

[2] In 2022, the Low-A Southeast became known as the Florida State League, the name historically used by the regional circuit prior to the 2021 reorganization, and was reclassified as a Single-A circuit.