Do you know how cheap?
"ask for a local taxi to the mobay bus park, get out and take the bus to Lucea, get out at bus park and catch the route taxi to Green Island, get out and catch the route taxi to Negril, it's just that easy! " qtd. from kim&betty
I would imagine it's not the most convenient way especially with luggage, but I would like to know what is reasonable/expected to pay for each leg.