Sara here are some...
Kamei campgrounds, it has 50 tent and RV sites...
509-687-3690
Lake Chelan state park.144 sites
1-888-226-7688
Lakeshore RV park, they have 165 RV hookup sites and 22 tent sites...
509-682-8023
Lightning Pine, has 45 tent sites
509-923-2572
Wapato Lake campground has a bit of everything..
509-687-6037 or 509-687-9635
25 Mile Creek state park 235 acre campground.
1-888-226-7688 or 509-687-3610
If all else fails get ahold of Lake Chelan chamber of commerce.
1-800-424-3526
http://www.lakechelan.com
I hope you can find something to your liking.
I'm sure you already have thought about this but ask each one if they have a web-site, I don't have them listed just their phone #'s.
Collie