The twin fin fell out of favor for a few decades there, but in recent years, they've made a serious comeback. Watch Ari Browne and Bryce Baker show why that
Simply messing around on little waves can be a blast too as long as you have the right mindset. Ari Browne certainly has that. You don't even need to stand up.
It's wildly difficult to get as good as Ari Browne is on a finless surfboard. Here he is in Bali, sliding around sans kegs. It's a beautiful thing, isn't it?