Featuring a retractable roof and many other amenities, Chase Field is truly a modern facility with a classic appeal. According to the agreement between Chase Field and the Diamondbacks, this MLB expansion team will occupy the stadium for a minimum of 30 years and an additional possibility of a 10 year extension at the request of the Diamondbacks. A great number of spectators, 48,569 to be exact, can kick back and enjoy the great American game of baseball at Chase Field. With 69 luxury suites and six specialty party suites, fans have found comfort in the spacious 17,000 sq. ft. facility.