Super mario sunshine cheats

mario with sun glasses talk to a specific pianta to wear these once you get enough shine sprites like 30 or so

tropical shirt talk to the same pianta when you get all 120 shine sprites

walk under water glitch when delphino plaza is flooded with water jump under the log close to the shine sprite gate and you should fall to the ground and be able to walk around under water without drowning just jump out the water to swim again
you can only visit 2 areas when the town is flooded and sometimes with this glitch you fall through the ground and die