We have used them twice. They were worth every penny, absolutely amazing! We paid in cash, yes we tipped them 10% in cash also. I would absolutely use them again!
We had private tours with them. Our family of 4 which included 2 teenagers loved every minute. We payed in cash and paid a tip I cannot remember how much. The driver was fantastic and made us fell like it was an Italian uncle picking us up to show us his city. We had 3 different trips with them and a different driver each time . Each time we were made to feel like family.
Three responses is probably a lot for this board. There's limited DCL experience in the Med, but perhaps you'll catch someone who's just returning. You could also ask over at cruisecritic.
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