I live in New Braunfels when i'm not at school in Austin, so i hope i can help. The Guadalupe will have more college age people and beer, and the Comal will be a little more toned down, though not much more. Camp Warnecke Estates sounds like something that would be perfect for you. the river is slower and a pretty good depth there, and there is a small enclosed area of water for younger kids. Schlitterbahn is literally right across the street, if that interests you.
Camp Warnecke
on the Guadalupe the only actual cabins i know of are the Mountain Breeze Cabins, or a name similar to that. there are condos and other proerties all along the miles of river between New Braunfels and Canyon Lake.
another place to look at is the Frio River in Concan. thats a great place, but i've only stayed there once in a tent, so i can't help much :hs:
hope that helps
