I have stayed on Wab. River upstream from Clay L. A friend owns a private cabin on the river near Quibell. I have not fished the lake, but the river has been hard on me. I have swamped a boat and never caught any decent fish. My friend swears that the fishing is great, though. He is up there 20+ weeks of the year (he lives in N. MN) and has shown me video and photos. My impression is that the fishing is hot or cold nothing in between.
I go to Quibell (Clay L.) because it's free, for my annual fishing trip I stay outside Ear Falls, Ont. (1 1/2 hours north on Red Lake Road). If you are interested, I can provide more info on the outfitter in Ear F. He lives in Cedar Rapids, IA during winter, he may book you at a reduced rate if he still has open cabins.
Good luck where ever...