Babalew,

Not sure about the details of your trip and how long you plan on staying but car rentals out of Kingston are relatively inexpensive compared to 10 years ago. The car I rented last year (picked it up at the airport) was relatively new (about 60,000 KM) had AC and was an automatic. I think it was something like $35 USD a day somewhere in that neighborhood. Can't remember which company it was but I booked and paid for it from the US. It was a good car and worked out fine. The train no longer runs from Kingston and I don't really know the other option available but once in Treasure Beach if you want to truck around a rental car comes in handy. Hope this helps!! John