Athos Sea Cruises sails for the Mt. Athos area from April to October at 10:30 am (€20), with an additional afternoon departure at 2pm in July, August, and September, tours last three hours. There is a commentary in English, French, and German. Tickets can be bought from the Ouranoupolis central square.
Near tower on main road, Ouranoupolis, 63075, Greece
23770-71370; 23770-71400; 23770-21041