I went ziplining with Jamaica Ziplining Adventure tours.. they are one of the best on the island.. they also have one of the longest zips at 1600 feet and absolutely breath taking. I was very impressed with the safety and the tour guides made it alot of fun. Even the crazy ride up in the funked out military type jeep is fun! here is the website.. let me know if you go and what you think. http://www.zipline-tours.com/