It covers an area of about 260 hectares . the seaward boundary is demarcated by linking the tips of heung lo kok and kwun tsoi kok through the northern end of flat island ( ngan chau ) and moon island ( mo chau ) . the landward boundary follows the high water mark along the coastline 此海岸公园海域面积约占260公顷，其海上界线以连接向螺角与棺材角尖端的直线为限，并穿越银洲和磨洲的北端；陆上界线则随岸边的高潮线划分。
