City Sports On 4 is an indoor sports complex and field. It hosts after-school sports clubs for basketball, football, baseball, soccer, lacrosse and hockey. Its programs include a 2-3 year old Mommy and Me sports program, 3-8 all sports program and 5-8 one-sport program, as well as the opportunity to create an independent class. It also has youth and adult leagues. The complex is available for rentals, as well as birthday parties.