Our cruise in Feb 2010 on Celebrity Mercury makes a stop in Nassau, Bahamas is that with-in distance of CoCo Cay ? Would it be one of the offered excursions?
Unless your ship is specifically stopping at Coco Cay you can't go there. It isn't as though Coco Cay is open all the time just waiting for people to show up. Coco Cay is open only when a ship is scheduled to be there and only those passengers are allowed ashore. Beyond the boilerplate, Coco Cay is not very close to Nassau. It is around 50 miles away.