 Additionally, several major cruise line corporations have each purchased an uninhabited island which they now operate as private island destinations available exclusively to their respective ships.These include Great Stirrup Cay, owned by Norwegian Cruise Line, Little Stirrup Cay otherwise known as Royal Caribbean International's "Coco Cay", Carnival Corporation's Little San Salvador Island or "Half Moon Cay", and Castaway Cay, of Disney Cruise Line.Of these, only Castaway Cay offers ships an actual pier for docking.