List of Triple-A baseball stadiums

There are 30 stadiums in use by Triple-A Minor League Baseball teams, which are the top affiliates of Major League Baseball clubs. The International League uses 20 stadiums, and the Pacific Coast League uses 10. The oldest stadium among these teams is Cheney Stadium, home of the PCL's Tacoma Rainiers, which opened in 1960. The newest stadium is The Ballpark at America First Square, home of the PCL's Salt Lake Bees, which opened in 2025. One stadium was built in the 1960s, two in the 1980s, seven in the 1990s, eleven in the 2000s, seven in the 2010s, and two in the 2020s. The highest seating capacity of all active Triple-A teams is 16,600 at Sahlen Field, where the IL's Buffalo Bisons play. The stadium with the lowest capacity is Tacoma's Cheney Stadium, which seats 6,500.