Here are some additional options:
- Best Western Circus City Inn, on US31 just outside Peru a few miles north of the site: close to the site, one of the nicer hotels, one of the more expensive
- Knights Inn, across the street from the Best Western in Pero: close to the site, inexpensive, no breakfast
- Grissom Inn: closest to the site on the old base, can't say much since I have never stayed there
Peru is closer and does have couple dinner options, but not nearly the same selection as Kokomo. You need to decide what's important to you (price, distance from the site, cleanliness, dinner choices, breakfast, pool, etc.).