//List of coords need to check.
        List<Coord> scanCoords = new ArrayList<Coord>();
        //List of coords already mapped.
        List<Coord> grave = new ArrayList<Coord>();
        //Add starting coord to scan list.
        scanCoords.add(new Coord(x, y));

        //Iterator
        ListIterator<Coord> coord = scanCoords.listIterator();
        while(coord.hasNext()){
            //Current x, y.
            Coord c = coord.next();
            int yb = c.getY();
            int xb = c.getX();

            //Loop over tiles all around xb,yb except for themselves.
            for(int ya = yb - 1; ya < yb + 1; ya++){
                for(int xa = xb - 1; xa < xb + 1; xa++){
                    //If xa,ya out of bounds continue.
                    if(xa < 0 || ya < 0 || xa >= width || ya >= height) continue;
                    //If looped over starting coords, ignore.
                    if(xa == xb && ya == yb) continue;
                    //If xa,ya is not land tile, ignore.
                    if(tempId[xa + ya * width] != 0) continue;
                    //If current island already has tile mapped, ignore.
                    if(i.contains(xa, ya)) continue;
                    //If tile has already been mapped ignore.
                    if(grave.contains(new Coord(xa, ya))) continue;

                    //Add new coord to scan list.
                    scanCoords.add(new Coord(xa, ya));
                    //Add new coord to island tiles.
                    i.coords.add(new Coord(xa, ya));

                }
            }
            //Add starting point to grave
            grave.add(new Coord(xb, yb));
        }