My parents also live in northern Michigan (Where abouts are you?) and my dad is in the process of selling his boat he used to take out on Lake Charlevoix and out into Lake Michigan to get a pontoon.
I've been on them multiple times and skied behind them, the only big difference you're gonna see is it takes longer to stop and circle around to go pick up the person when they fall.
Pontoons for all their bulk and yes some of them are eyesores....are just about the coolest summer piece of equipment you can own for a family. Those things seriously can be equiped with everything and anything.