Stay in Nafplio and drive in radial directions to ancient sightseeing Ancient Olympia, Epidaurus, Mycenae, Argos, Corinth, Mystra, Sparta, one destination a day.
From the port of Kyllini in the north west of the Peloponnese, ferries serve the Ionian Islands of Kefalonia and Zakynthos
From the port of Patras there many ferries daily to Italy
From Kythera island there are boats to Crete every few days.