Complex sentence: Chapter 14-Polecrab Maskull awakes again and proceeds to the shore of the Sinking Sea (whence Swaylone's Island is seen), where he meets Polecrab, a fisherman, married to Gleameil.
Split into simpler sentences: Chapter 14-Polecrab Maskull reawakes and proceeds to the shore of the Sinking Sea, from which Swaylone's Island can be seen. There he meets Polecrab, a fisherman, married to Gleameil.