It's a little too obnoxious to camp here another year. They play very loud music sometimes, often until 2 am.
When you're in downtown Manawa you can hear it as if it's 30 feet away but you're actually 2-3 miles away. It's probably bouncing off the lake I'd imagine.
I don't really like adding to a nuisance or having to sleep inside of one when I'm on vacation. If they make more of an effort to be considerate to their guests and their neighbors I'd reconsider. Repositioning their equipment so sound doesn't go across the whole campground would be a good start.