A journey worth taking slowly
A week needs two bases, not a new room every beach
Halkidiki's coast invites constant movement. Resist it. Two nights near Afitos introduce Kassandra's village and resort life; four nights around Nikiti or farther south make Sithonia a proper stay. The car should expand the choice, not dictate every hour.
On Kassandra, use one full day for the coast that suits the group. On Sithonia, check wind and leave for a chosen beach early. Famous coves have limited legal parking. When the access road is full, continue to a less fragile place rather than creating another lane of blocked cars.
Road timing
Summer weekend traffic can transform the return to Thessaloniki. Do not trust an off-season map estimate before a flight. Fuel the night before and leave a generous margin.
Boat trips towards the Athos coastline operate under their own schedules and access rules; Mount Athos itself is not an ordinary drive-in attraction. Book a legitimate excursion and understand what it includes.
Driving notes
Build in time for unplanned stops, refuel before mountain stretches, and avoid driving after dark on unfamiliar rural roads.