Jamieson, Fausset and Brown on Acts 27:6

6. there ... found a ship of Alexandria, sailing into Italy, and he put us therein--(See on Ac 27:2). As Egypt was the granary of Italy, and this vessel was laden with wheat (Ac 27:35), we need not wonder it was large enough to carry two hundred seventy-six souls, passengers and crew together (Ac 27:37). Besides, the Egyptian merchantmen, among the largest in the Mediterranean, were equal to the largest merchantmen in our day. It may seem strange that on their passage from Alexandria to Italy they should be found at a Lycian port. But even still it is not unusual to stand to the north towards Asia Minor, for the sake of the current.