Fishing from a stand-up paddle board (or "SUP") can be highly productive: You're stealthier, you don't draw nearly as much water as you would in a skiff (or ... bottle and a fly rod (or balancing ...
I had driven 10 hours each way to fly fish for tarpon ... which required that I ride in the poling skiff with a full-size bed pillow clamped under my arm to cushion the fractures.