This is a picture of the many villa(s) on the island. I have been warned that as long as you stepped out of the ferry, literally thousand people will flock at you with their signs telling you to stay in their villa, hostel, hotel, whatever. To avoid the surcharge associated with walk-ins, we chose to book our villa through hostelworld.com. It costs us only 10 Euros per night per person, in a private double room!
Another villa near ours, which has a swimming pool, the mountains in the background will make you feel like you're in a desert under a boiling sun. In fact, Santorini came from a volcanic eruption, hence the whole island is a bit steep in terms of landscape, and mountains are quite barren.
Here we arrived at the first and the largest town on Santorini, THIRA (also called FIRA):
Below are pictures from another town - Oia (pronounced as EEE-AAA).
Basically the white houses with blue domed tops are churches.