Genetic studies place the Tao's ancestors on this island around 4,000 years ago, arriving during the great Austronesian Expansion that spread human communities across the Pacific. Before colonial borders severed the connection, the Tao maintained close relationships — through trade and intermarriage — with the Ivatan people of the Batanes Islands, which lie just across the Bashi Channel to the south. The two communities were neighbors in an ocean neighborhood, sharing language roots and maritime knowledge across open water.

Flying fish are not simply food here. They are ceremony. The Tao calendar is structured around their migration, with specific rituals marking the opening and closing of the fishing season, governing which boats may go out, and determining how the catch is divided. This knowledge — intricate, practical, and sacred all at once — is among the best-preserved traditional practices of any Taiwanese indigenous group, a fact owed partly to isolation and partly to colonial policies that, however clumsily motivated, kept outside settlement at bay until 1967.

Imperial Japan declared the island an ethnological research area in the early twentieth century, sealing it off from ordinary visitors. The Tao were, in effect, placed in a living museum — studied, but not consulted. When the Republic of China took over after 1945, the isolation continued for another two decades.

Then came something worse than observation. In 1982, Taiwan's Atomic Energy Council — without seeking the Tao's consent — built a nuclear waste storage facility at the island's southern tip to receive low-level radioactive material from Taiwan's three nuclear power plants. Taiwan Power Company (Taipower) took over operation of the site in 1990. About 100,000 barrels of waste have since been stored at the Lanyu site. Many of the iron barrels have corroded in the island's salty, humid air. As partial compensation — and in acknowledgment of the imposition — households on the island receive free electricity under Article 14 of the Offshore Islands Development Act.

Since the early 1990s, the Tao have repeatedly and publicly demanded removal of the waste, calling it 'evil spirits' in demonstrations that drew national attention in 2002 and again in 2012. The waste remains.

The island itself is volcanic, part of the Luzon Volcanic Arc, though it has been quiet since the Miocene epoch. Eight mountains rise above 400 meters; the tallest, Hongtoushan, reaches 552 meters. From its summit, the northwestern peaks glow reddish at sunset — the 'red heads' that gave the island one of its oldest Chinese names.

Below the mountains, coral reefs encircle the island in shallow turquoise rings, sheltering four species of sea snake and providing nesting grounds for green sea turtles. Humpback whales, once common in these waters before commercial whaling ended the population, have been reappearing as migratory visitors since the 2000s — the first confirmed sightings in Taiwanese waters in decades. The island also harbors 35 plant species found nowhere else on Earth, including the palm Pinanga tashiroi, which grows only here. Offshore and ashore alike, Orchid Island holds a biological specificity that belongs to no other place.

The writer Syaman Rapongan grew up Tao, left the island for Taiwan's mainland cities, and eventually returned — not as a tourist, but as someone reclaiming a self. He became a bare-hand ocean diver, learning the sea the way his ancestors learned it, and began writing in Chinese about what Tao civilization means and what it stands to lose. His books — including 'Cold Sea, Deep Feeling' and 'Black Wings' — have won major literary prizes and introduced Tao perspectives to a broad audience, challenging readers to see the island not as a remote curiosity but as a living world with its own completeness.

His 1998 novel 'Black Wings' asks a question the whole island is still answering: should young Tao people pursue opportunity on the mainland, or wait for something that belongs to the sea? There is no easy resolution. The first 7-Eleven opened on the island in September 2014. Mandarin education has been compulsory since 1967. And yet the flying-fish rituals continue, the canoes are still built and painted in traditional forms, and the Tao language persists in homes and on the water.

About 5,000 people live on Orchid Island, roughly 4,200 of them Tao. The economy rests on fishing — especially the annual flying-fish catch — and farming: wet taro, yams, and millet, crops that have been cultivated here for millennia. Tourism has grown since the ban on outside visitors lifted in 1967, bringing visitors drawn to the coral reefs, the traditional underground houses designed to withstand typhoons, and the Lanyu Flying Fish Cultural Museum.

The island sits within a warm, rainy tropical climate zone, with humidity often exceeding 90% and annual coastal temperatures averaging 26°C. Typhoons pass through regularly. Access is by a half-hour flight on small aircraft from Taitung City's airport, or by ferry from Fugang Fishery Harbor — a journey whose conditions, like much of life on Pongso no Tao, are governed by the sea.