The waters that launched Brooke Shields’ movie career are by any measure one of the most beautiful spots in Jamaica. The 55m-deep ‘Blue Hole’ (as it is known locally) opens to the sea through a narrow funnel, but is fed by freshwater springs that come in at about a depth of 40m. As a result the water changes color through every shade of jade and emerald during the day thanks to cold freshwater that blankets the warm mass of seawater lurking belo