"Cheapest: take route taxi to Sav, then to Black River, walk to bridge and find a boat to take you to PB."

So would you just ask a route taxi for rate directly to Black river? Is there a need to go to Sav? Would you have the driver wait for you to return back to Negril? We have limited time in Jamaica so I don't really want to go to YS, but would love to check out Pelican Bar...