Port console - trash can, towels, dry food, original amp
Starboard console - cold food cooler, throw cushion, shoes, guest storage
under aft bench - not much; tool box, noodle (keeps the tool box in place), a few parts, first aid kit
under port L bench - fenders, duffel of carpet pieces (if it rains), duffel of isinglass pieces (if rain expected), inflatable SUP sometimes
bow storage - PFDs, fire extinguisher, guest storage
ski locker - skis, paddle, boat hook, noodles, sometimes an ISUP, sometimes PFDs
under bow filler cushion - 2 fenders, guest storage
Without kids, gear storage is much easier . . .