A day on Buyukada - When do the boats arrive??? (Istanbul)

Hey all,
As some of us will be coming at different time and from different destinations, I was wondering if someone could tell me how I would learn the ARIVAL times of the boats at Buyukada? I would like to have the earlier arrival meet the later arrivals at a certain place at a certain time, if I only knew when they arrived.
But if I don't know, let's say that we will meet at the clock tower in the center of the little port town on the hour, 10:00 and 11:00. Anyone that arrives after that will have to play hide-and-go-seek and find us. ;-)
Hope to see a lot of you tomorrow for a beautiful walk, run, of peddle. Twenty-one degrees and a wonderful day/
Rock on!!!!!
Marty