I'm pretty close to the end of the game and am trying to complete challenges.
All three of the social challenges are still open, and all three at 2 apiece. On a different person's account, I saw all three completed before they got into the third sequence but I can't seem to find Royal Convoys, White Whales, or Community/Social Chests to save my life.
It's gotten to the point where I'm wondering if it has something to do with my friends who also play ACIV or something because I can't seem to get anywhere with it.
Best Answer
You can locate convoys by talking to bartenders and paying for info. I either get a location for a convoy or for a cadaver which then has a cool item on him like a treasure map. Some bars have given me info more than once when I come back at a later time. If the bartender "glows" when you look at him, he has info! I read that the white whale shows up randomly when you are playing while on line. I check my fleet and stay connected. Check your map frequently and look for a whale icon that is glowing light blue, then get there quick! When it happened for me, there was a clock running, so if I didn't get there on time, he would have been gone.