no, a scooter would be for short little trips. Furthest we ever went was Roaring River -- and my tush was killing me plus we broke down on the way home .... it was amazing how many locals stopped to help us out in the country. i guess that's the difference between the peeps in negril compared to USA or Europe -- they'll stop to help someone by the road every time.
Rent a motorcycle would be scary unless you're a daredevil -- scooter is a bit dangerous, too -- because of the speed and pot holes in the road. The locals know were they are cause there are only two or three main streets ....