Thanks! I emailed Luxurious Carib Tours and they got right back to me!
this was the response:
"Thanks for making it Luxurious Carib Tours Jamaica, We would be happy to provide you with transportation from Sangsters to West End Negril at a cost of $55.00USD (One Way) and (Round Trip) of a $110.00 USD for (1-3) persons.
We do provide cell phones upon request at no extra cost. So feel free to enter your request for a cell phone if needed.
This Price quoted is for a private transfer, this prevents you from the hassle at the airport and waiting time allotted by other taxi and tour operators. Upon arrival you also receive a complimentary drink and rest stops if needs be on your way to your resorts.
Please note that with our Private transfer you and your party will be the only person travelling in that vehicle.
If there are any concerns with the information given please feel free to contact us at anytime we will be happy to assist you with any further information."

We also have special offers where you can get further discounts on other services, such as tours and transportation if you use our service.

If you are happy with the price quoted please send us a confirmation email with your name, Telephone number, Flight number, arrival time and date, Hotel/Resort you want to be transported to and also number of persons arriving.
Best Regard
Andre and Ricardo
What a savings for me! that is about a third of the cost I was quoted by my TA!
I think I will use these guys. Have they been around for a while or are they new?