We did not meet Maria, but she communicated with us frequently before our stay and arranged for a porter to direct us to the Cave upon our arrival. We hiked to Oia from Fira and ended up arriving well before our check-in time and Maria made arrangements for us to store our bags which was very helpful! The Cave had a breathtaking view and sat in the heart of Oia with close walking distance to many restaurants and shops! We sat for hours on the balcony enjoying wine and the scenery. There is no A/C, but with the multiple fans we were comfortable. The kitchen was small, but sufficient. The shower was interesting as there is no actual shower basin, you just shower right there by the toilet (make sure to remove the toilet paper first! Lol). Overall, we had an incredible stay and would definitely recommend this spot to anyone travelling to Santorini!