Yes, of course there are no restrictions at all on the use of jetskis etc in Poland. Please feel very free to jump on a PWC without getting your licence and without checking to see if that lake is a quiet zone.
His question was where are good places to ride, not whether you need a vest.
And his answer was that the none are good if he is failing to comply with local law.
You should work on your sentence level reading comprehension skills .
Given how you love to tell us about your sailing trips, I'm amazed that you have never read about some lakes being noise-free zones. Or did you read about them and fail to understand what you'd read?
Yes, of course there are no restrictions at all on the use of jetskis etc in Poland. Please feel very free to jump on a PWC without getting your licence and without checking to see if that lake is a quiet zone.
These guys are obviously riding somewhere. I remember in the late 90's my old man would go to Kryspinów west of Krakow. Too small for my tastes though.