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| Location: | 601 Biscayne Boulevard Miami, Florida 33132 | |
| Owner: | Miami-Dade County | |
| Operator: | Basketball Properties Ltd. | |
| Capacity: | 19,600 16,500 (without upper levels) | |
| Broke ground: | February 6, 1998 | |
| Opened: | December 31, 1999 | |
| Cost: | $213 million ($327 million in 2019 dollars) | |
| Tenants | ||
| Miami Heat (NBA) (2000–present) Miami Sol (WNBA) (2000–2002) | ||
| Floor design | ||
Miami Heat 
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Kaseya Center is a multi-purpose indoor arena in Miami, Florida, home to the NBA's Miami Heat. The arena was constructed in 1998 for $213 million as a replacement for the Miami Arena.
It is directly served by the Miami Metrorail at Government Center station via free transfers to Metromover Omni Loop, providing direct service to Freedom Tower and Park West stations. The Arena is also within walking distance from the Historic Overtown/Lyric Theatre Metrorail station.
It has 2,105 club seats, 80 luxury suites, and 76 private boxes. The Waterfront Theater is Florida's largest theater which is housed within the arena, that can seat between 3,000 and 5,800. The theater can be configured for concerts, family events, musical theatre and other stage shows. American Airlines has a hub at the Miami International Airport that maintains the FTX Arena Travel Center at the venue.
The arena was known as the American Airlines Arena from 1999 to 2021. In June 2021, the arena changed its name from the American Airlines Arena to the FTX Arena.