Qualla: Green Island, Taiwan

Green Island, Taiwan: Introduction

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit R98524028, CC BY-SA 4.0. The prisoners who survived Green Island went on to build a democracy. During Taiwan's decades of martial law, this small volcanic island 33 kilometers off the eastern coast served as one of the regime's most isolated detention facilities, where political dissidents were imprisoned by the Kuomintang government through the era known as the White Terror. Among the inmates were the founders of the Democratic Progressive Party, including Shih Ming-teh, and the writer Bo Yang, whose satirical commentary on Chinese political culture earned him years behind bars. Today, the prison cells stand open to the public. Tourists step through the same gates that once locked in Taiwan's political conscience, then walk down to the harbor to catch a boat to the coral reefs.

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Image: R98524028 | CC BY-SA 4.0

Green Island, Taiwan: An Island of Many Names

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Dquai, CC BY-SA 4.0. The Amis people, the island's original inhabitants, called it Sanasai. Before 1949, the Chinese name translated roughly as 'Fire-Burned Island' - Huoshao Dao. On 1 August 1949, the Republic of China renamed it Green Island at the behest of Taitung magistrate Huang Shih-hung, givi...

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Image: Dquai | CC BY-SA 4.0

Green Island, Taiwan: The Prison Years

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Dquai, CC BY-SA 4.0. Martial law descended on Taiwan in May 1949, and Green Island became a place of exile. The Kuomintang government built Taiwan Lyudao Prison in 1951, filling it with political dissidents, intellectuals, and anyone suspected of opposing the regime. The main detention facility, know...

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Image: Dquai | CC BY-SA 4.0

Green Island, Taiwan: Born from Fire

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Dquai, CC BY-SA 4.0. Green Island is volcanic, formed from tholeiite and andesite rock ejected during eruptions spanning the Pliocene to Pleistocene epochs. It sits on the Luzon Volcanic Arc, created by the subduction of oceanic crust roughly 25 kilometers below the surface. At 15 square kilometers a...

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Image: Dquai | CC BY-SA 4.0

Green Island, Taiwan: From Penal Colony to Dive Destination

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit A-giâu, Public domain. The transformation has been dramatic. Where political prisoners once stared at the sea and dreamed of freedom, scuba divers now descend to explore some of Taiwan's richest coral reefs. About 150 meters offshore from Shilang lies the 'Big Mushroom Coral,' a massive formation 12 me...

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Image: A-giâu | Public domain

Green Island, Taiwan: A Dwindling Community

Thu, 09 Apr 2026 00:00:00 GMT

Photo credit Lord Koxinga, CC BY-SA 3.0. Fewer than half of Green Island's 2,634 registered residents actually live there. The population has been declining for years, drained by the difficulty of finding work on an island whose economy depends almost entirely on seasonal tourism. The island supports two pre-schools, a ...

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Image: Lord Koxinga | CC BY-SA 3.0