I'll chime in and say Maho Beach. At least for a couple hours. Be the first folks off the ship and rent a cab..not much like $4 or $6PP to Maho Beach. Rent on or two lounge chairs from Sunset Bar. Then kids can play in the water, swim and watch the jets fly in for the next 2-3 hours. It is UNREAL and like nothing you have every done. They post the times, so you could watch till 1230 or 1 when the last of the big ones comes in from New York, then get a cab back to the market and explore in plenty of time till you get back on the ship.