There are 10 stadiums in use by Triple-A West baseball teams. The oldest stadium is Cheney Stadium, home of the Tacoma Rainiers, which opened in 1959. The newest stadium is Las Vegas Ballpark, home of the Las Vegas Aviators, which opened in 2019. One stadium was built in the 1950s, two in the 1990s, four in the 2000s, and three in the 2010s. The highest seating capacity of all active stadiums is 14,511, at Smith's Ballpark where the Salt Lake Bees play. The lowest capacity is Tacoma's Cheney Stadium, with 6,500 seats. All stadiums use a grass surface.