Thank for the info, all. It sounds like I won't need to mess with extra gear, which will be nice because it'll make room for another cooler.
Even if four guests to a boat is a little tight, I'd prefer that over splitting up. I'm content not fishing much and letting my wife get in on the action as much as possible if it comes down to it. The more I can get her interested in fishing, the better. I'm sure my buddy feels the same about his, as well.
Thanks, all!