Mallard Landing is a beautiful family neighborhood located in North St. John's County. It is nestled between Jacksonville to the north and St. Augustine to the Southeast. Just minutes from the St. Johns River, Mallard Landing is an ideal location. When you drive through the neighborhood, the thought that comes to mind is how big the lots are! Each home has plenty of space, and you don't get the feeling that you and your neighbors are living one on top of the other.