Not really much around sicamous as far as lake front. There is also Yard Creek just east of sicamous on the trans can. Lots of private ones around salmon arm, blind bay and sorrento, none of the provincial ones have hookups unfortunately if you have to have them, but Ive camped at both Shuswap Lake, and Harold Provincial Parks, both are fantastic, with showers, flush toilets, lake front etc. Just depends how badly you need the hookups or not....
Joe Schmucks Motel/campground in sicamous has a few full service sites, it backs on to the eagle river, and is only a 2 minute drive to the public beach, ive stayed in the cabins before but never camped there.book early depending when you want to go, August is a gong show out there.
www.joeschmucks.ca/
www.shuswaplakecamping.com
http://www.blindbayresort.com/vacati...s/camping.html