Keller Park is Mountain Home's premier fast pitch softball facility. It is home to the City of Mountain Home Recreational Softball League. The park received renovations in the spring/summer of 2022. It boasts four newly turfed infields, new LED lighting, shade structures over seating areas, and a star climber playground set. It also hosts a variety of softball/ Ragball tournaments throughout the year.
Keller Park facilities include: a pavilion, a playground, four softball fields, a lighted walking trail and a dog park.