According to an article from the columbian: "Vancouver forbids activity due to safety concerns" and it looks to be due to the height of the pier.
I saw someone doing fishing
Your chance of getting caught is slim to none.
You know something, that's an interesting question, because I don't recall a single person fishing but then again it's a high-end restaurant area, it might not be allowed. You can eat stinky good tasting fish but you can't catch it in the area.
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