Most bass clubs are always looking for new members. And non boaters are usually welcome as long as the clubs ratio isn't too heavily tilted toward non-boaters. Look for a club that has a "draw" format where you get an opportunity to fish with a different boater in each tournament vs a team format where you always fish with the same partner. I learned more in my first couple of seasons in a club than I had in the previous ten years of fishing! You can find a club that fits your fishing goals and personality.
The keys to success are to help pay for expenses regardless of your success on a given day, don't cast over his line and offer to help your boater load, unload, and even if he's a clean freak, help wipe down his rig at the end of the day.