We're staying in Oia at Aethrio next month and would like to hire a car for travel round the island. A few questions:
What are the roads like? I drove in Skiathos last year and a 4 X 4 was definitely required. Steep, gravel roads. Is Santorini similar or will a car get you everywhere?
Given the steep cliffs are the roads dangerous (ie no railings etc)? I've read a few stories about the Oia-Fira stretch of road?
Final and completely unrelated question - is the hike Fira-Oia well marked? (I assume its equally as remarkable to do it in either direction?)