The Mayor's Office now handles the Jisco Lake fishing keys. No more than 3 boats and no more than 10 fisherman are allowed to fish on any given day. During hunting season, you may have a key to hunt on Jisco Lake property 2 days during hunting season. Cost for the key is $20.00. When then key is returned, the $20.00 will also be returned, if key is not returned within a reasonable amount of time, you will not be refunded the money.