The Keller ISD Natatorium opened in March 2003 and is located in Keller Town Center. It is a remarkable, state of the art indoor swimming facility featuring 25 lanes for competition and training use. We offer swimming lessons as well as U.S. and High School team training. The KISD Natatorium has three 1-meter diving boards and two 3-meter diving boards and a water depth of twelve feet six inches for competitive diving competition and lessons.