http://blueholejamaica.ning.com/

Here is the blue hole close to Negril website, we have taken a scooter past this on the way to Little Bay - another place you may want to check out.
Depending where you are going you may want to consider a dirt bike..some of the roads are rather beaten up.

Here is something else you may want to check out
http://www.zipline-tours.com/tours.html

Enjoy your trip...lots of really nice places if you head south ..bluefields bay, treasure beach that would be a fun ride...and great food everywhere!