Ersi Villas was a great home for Sarah and I during our stay in Santorini. Elias was very thorough and hospitable. He gave us a complete rundown of the island upon arrival - in terms of sightseeing, transportation, and general information. He also accommodated our every need. His office is on location, so he was available whenever we had questions. Sarah needed to make a rehearsal wedding dinner and he had free time, so he drove her there. Really kind. His mother makes breakfasts that are really affordable and delicious. I suggest you treat yourself in the mornings. Excellent location - the bus stop is just a short walk up the stairs. Also, it was walking distance to Firostefani, which ended up being our favorite town. We had the view of the sunrise, making for warm days that we appreciated when we visited in April. The room was tended to while we were away. Fresh towels and cleanliness were a nice treat to return to.
The only thing I would mention is that when we arrived, the shuttle dropped us off at the main street as opposed to the street down below, closer to the Villas. Each of us carried one large, heavy suitcase, so it was a little bit of a challenge with the cobblestone and stairs. But in general, we agreed that we would pack much lighter if we ever travelled to Santorini again. I would highly recommend Ersi Villas.