We didn't block rooms at a hotel for the wedding, but here are some places close to the venue:

Hyatt Place Indianapolis / Carmel

12045 Illinois St, Carmel, IN 46032

Renaissance Indianapolis North Hotel

11925 N Meridian St, Carmel, IN 46032

Residence Inn by Marriott Indianapolis Carmel

11895 N Meridian St, Carmel, IN 46032

Homewood Suites by Hilton Indianapolis Carmel

11355 N Meridian St, Carmel, IN 46032

If you want to stay a little further from the venue, there are a lot of hotels in the Fishers, Zionsville, and Westfield areas.