Since the early hours, the first ships from Crete and the Aegean islands have started to dock, with initial estimates indicating around 24,300 passengers arriving throughout the day.
Authorities said nearly 330,000 vehicles passed through the toll booths heading north to Lamia and west towards Corinth from the greater Athens area last Friday
Public transport in Athens will be limiting services over the Greek Easter Holiday. Shops will be closed on May 6 and 7.