Here's several more I thought of:

Birmingham Point Campground
5295 Barge Island Rd, Benton, KY 42025
(270) 354-8482

King Creek
(currently has two spots)
http://fishinkentucky.com/seaonaltent.html

Southern Komfort
http://southernkomfort.com/camping.html

Bee Springs
http://www.beespringlodge.com/camping.htm

Lakeside Campground
http://www.visitlakesidecampground.c....html#seasonal

Sportsmans Anchor
http://www.anchorresortandmarina.com/camping.htm