This was a great stay! Perissa is a quiet town away from a ton of tourists but still very Santorini like. The airbnb is 2 min walking from the black sand beach and bus station. The bus will take you anywhere for 1-2 euros.
The airbnb was clean and we had room service daily. They were very sweet and did the dishes, bedding, and even folded up our chargers and clothes. We were very surprised and happy! Our room had a balcony and it was great to eat breakfast and watch the sunrise/set from.
Support local with this family-run business rather than a company hotel. They are very nice and serve breakfast in the downstairs restaurant.