Golf Headquarters Mini Golf, O'Fallon

Location: 3465 Hwy K, O'Fallon, MO 63368

Website: https://www.golf-headquarters.com/pitch-n-putt/

This mini golf course has 18 lighted holes with ponds, streams, and waterfalls. It's under $5 per person, and the course is mostly shaded. Pheasant Run is next door but they offer a driving range and a full golf course. 

The Falls Mini Golf, O'Fallon

Location: 1301 Crooked Stick Dr., O'Fallon, MO 63366

Website: https://www.fallsgolf.com/bookteetimes

The Falls has an 18-hole mini golf course and a driving range as well. Adults are $7 and kids are $5. 

I saw lots of Koi fish and frogs in the pond.