hi chickie I always use my CIBC bank card in Jamaica u just have to go to a scotia atm machine to withdraw and there is a fee for 100jm dollar per interact and they give u lower Canadian rate hope this helps ;)
you can take the knutsford express bus it leaves new kingston to ochio rios or montego bay and it jus cost $1,400 for each person you can just check out the schedule online and book your trip that's knutsfordexpress.com