The times I've gone to Kent Lake, it was all done from the shore. The places I've had good crappie fishing is near the west boat launch...there are a lot of piers over there and I've seen a lot of boats slow trolling throughout that area. The other place I've fished was near the canoe rental area...where a lot of people leave their boats during boating season. I know you wanted more detail, but from a shore fisherman that's the best I can provide...sorry.
I'd rather be on the lake enjoying the thrill of my rod telling me there's a fish on the end of my line. :D
Corey