Hi! These would be my recommendations. I think the best idea is to rent a car. It is the easiest way to get to san quirico. Once in san quirico, if you do not have a car, it will be almost impossible to visit any of the towns nearby. The town itself is small.....and beautiful, but you will want to visit nearby towns. A car is a must! If not, the second best way is to take a train. In firenzi, SMN, or Santa Maria Novella, is the main train station. From there you can easily take trains all the way to buonconvento.....about ten minutes from SQ. (You would change trains in siena) From buonconvento, it could possibly be difficult to get to SQ as taxis are scarce and the bus passes by....but no one is available there to help you. You would have to know how to get the bus. A better option is to take the train from smn to siena, where you can take a bus that will go directly to san quirico. At the train station in siena there is generally someone who can help you with a ticket for this bus....though they will probably not speak English. But if you say 'bus' and 'san quirico', you'll have a good chance of getting your ticket. Keep in mind, this booth in siena is not always manned.....so it's best to get there during the day....as opposed to 10 at night. The buses come right to the station and stop....so you can always ask a driver. I highly suggest downloading to your smartphone google translate....and download the Italian language so that you can translate with it while your phone is offline. This is very important!!! Within the app you can download a language directly to your phone so it will always be with you regardless of whether your cell service is on or not. This is all free! But better yet, get a car! Good luck!

Yes there are. The commune has nice pedal assisted bicycles. The are located in the chigi palace which is the main commune building. You can ask at the tourist office also. Other places also rent bicycles and the tourist office can guide you.

I'm sorry, but I don't know. We had a car so it wasn't anything we looked into. Good luck, and have a nice trip.