Hair Braiding in Grand Cayman or Ocho Rios?

I know my 3 daughters are going to want their hair braided on this trip. We have pretty long excursions planned for both Ocho Rios and Grand Cayman so I don't know if we're going to have time for this. Has anyone had this done either place that would know the details? Like how long does it take for shoulder length hair? About how much does it cost? How do you find someone trustworthy to do it? Thanks for any advice!