The tour was outstanding, and the service was top-notch. Our hotel was a bit remote, though accessible by car. So as to avoid long transfer times, they picked us up in a separate car. We met up with the rest of the group at the first winery. Then after the last stop, that same car/driver delivered my wife and I back to our remote locale.
Our guide, Dora, was very knowledgeable and friendly. Her English was impeccable, and we learned a lot about the uniqueness of Santorini wines, as well as the island itself. We wound purchasing a few cases from one of the wineries, which they were able to then ship home for us.