The natatorium, with its large expanse of glass for viewing of indoor activities, is adjacent to the City of Ballwin residential area. This indoor leisure pool has a waterslide, zero-beach entry, water vortex, current channel, bubble couch with water jets, three lap lanes and an open area that can be used for water aerobics. The natatorium also houses a whirlpool spa.
This facility won the 1997 Facility of Merit Award for outstanding design from Athletic Business magazine.