They're only flooded during harvest. Then they drain them, although I suspect they're always a bit squishy underneath. I'm right in the middle of cranberry land here - it's one of the biggest crops for the area.
lol. I said that Mikhail Kalashnikov, didn't set out to design a weapon for all terrorist. He did it for the Mother Land. Not for profit, not for pride. Just his way of helping mother Russia get a better gun.