The Good- Stella's house is a nice and clean cave house with plenty of space for 4-5 people and a spectacular view of the sea. The kitchen has all you need to prepare your food and avoid eating all three meals in nearby restaurants. Both Maria's who manage the property are exceptionally kind, responsive and knowledgeable about the what to do and see around the island. They are available almost anytime during the day to answer all your questions.
The Bad- While driving around the less crowded areas of the island is fun, traffic in the Oia area is heavy, especially during the sunset hours. The roads are two way narrow streets with buses, cars and motor bikes squeezing through. Parking spaces are dusty and have limited space. Buses and taxis are available but their number and schedule are limited.
The Ugly - We encountered a vicious local man, with white hair in a white shirt, who claimed to be the owner of one of the units below Stella's house but he could be a custodian of multiple units as well. When my son and I were posing for taking a photo of the sunset on a spot on the public walk way he pushed me and said not to stop in front of his claimed house which was vacant at that time. I was about to call the police (dial 112 anywhere in Europe) but decided against it for not spending my family vacation time on filling police reports.
The conclusion - Stella's house is a good place to stay in Oia but keep an eye for the vicious man in white.