Guanyin Cave — Guanyin Cave on Green Island is located on the marine terrace of Gongguan Village, which locals call Caoshan. It is a natural stalactite cave. In front of the cave entrance stands a couplet: "

Guanyin Cave. Guanyin Cave on Green Island is located on the marine terrace of Gongguan Village, which locals call Caoshan. It is a natural stalactite cave. In front of the cave entrance stands a couplet: ". Guanyin Cave on Green Island is located on the marine terrace of Gongguan Village, which locals call Caoshan. It is a natural stalactite cave. In front of the cave entrance stands a couplet: "Green waters and lush mountains, a sacred site of Guanyin; Island scenery, a celestial abode." Inside the cave stands a stalagmite resembling the Bodhisattva Guanyin, attracting an increasing number of pilgrims and flourishing incense offerings. Address: 臺東縣綠島鄉觀音洞(佛祖洞) Hours: 00:00–23:59 Taitung