The drainage spout is hidden from view by a rock. To the side of every dwelling entrance are "backrest stones." The residents often sit and chat here, and they erect as many of these stones as there are members of the household.
主屋入口旁豎著「靠背石」，達悟人常靠坐在石頭前面聊天，一家有幾個人就放幾個石頭，家裡有人過世，就推倒其中一個石頭。