Roger Dean Stadium is one of only two stadiums in Florida to host two Major League Baseball teams annually for spring training : the Miami Marlins and St. Louis Cardinals ( the other is The Ballpark of The Palm Beaches , which opened in 2017 , hosting the Washington Nationals and Houston Astros ) . In both venues , the teams share the main stadium where the games are played . However , the teams have their own practice fields , outdoor batting cages , several pitching mounds , and state - of - the - art conditioning rooms .

Question: where do the florida marlins have spring training
Answer: Roger Dean Stadium