I agree with heater, those 3 properties have the best beach right now IMO. You really don't need a pool in Negril, the ocean is so shallow and calm.
Our favorite is Nirvana, there are several options that are directly beachfront, meaning a direct view of the ocean with no man made obstructions at all. The staff there is great, we've been there 4 times. Clean, rustic, not fancy.