Jeju is Korea's dream island, the place Koreans go for their honeymoon, for holidays and to switch off from the rush of the mainland. It is a volcanic island risen from the sea, crowned by Hallasan, the country's highest volcano, and surrounded by a landscape unlike anything else in Korea: white-sand beaches and turquoise water, cliffs of basalt columns, grass-covered craters, underground lava tubes, waterfalls that drop into the sea and fields of black volcanic stone planted with tangerines.
But what makes Jeju unique is not just its nature —recognised as a UNESCO World Heritage Site—, but its own culture, shaped by the isolation of a wind-battered island. Its most moving symbol is the haenyeo, the 'women of the sea': divers who, without oxygen tanks, plunge into cold waters to gather seafood, a centuries-old matriarchal tradition that UNESCO also protects. Jeju is a land of 'three abundances' —wind, stone and women— and also of a recent history marked by tragedy.
This guide explores Jeju with a practical and respectful eye: how to get there by plane or ferry, how to plan the island in 3 to 5 days, what to see among volcanoes, waterfalls and beaches, how to approach haenyeo culture and the memory of the 1948 uprising with sensitivity, where to eat black pork and seafood, and why renting a car is worth it. It is one of the great natural destinations in Asia.
For centuries Jeju was an independent kingdom, Tamna, until it was absorbed by the Korean kingdoms in the Middle Ages; its isolation shaped its own culture, dialect and traditions, such as those of the haenyeo, the women divers. The island also lived through one of the darkest chapters of 20th-century Korean history: the uprising and crackdown of 3 April 1948 (known as 'Jeju 4·3'), in the turbulent period before the Korean War, when an uprising and the subsequent repression by the security forces left tens of thousands of civilian victims and many villages destroyed. Silenced for decades, the episode was investigated and officially acknowledged by the State from the 2000s onwards, with public apologies and a peace park; its archives are part of UNESCO's Memory of the World. Today Jeju combines that memory with its fame as a natural paradise and its UNESCO-recognised volcanic landscape. The full story, from Tamna to the island of peace, is on our history page.
Read the full history ↓The great volcanic island of the south, with its own kingdom, its history of exile, its haenyeo divers and the unhealed wound of 4·3 in 1948.
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Origins, formation and what the sources say.
Jeju wasn't always Korea. For much of its history, this volcanic island far out at sea was an independent kingdom with a name of its own: Tamna. Its founding legend tells of three demigods (Go, Yang and Bu) who emerged from three holes in the ground. The spot is called Samseonghyeol, and you can still visit it in the island's capital. They married three princesses who arrived from the sea and became the ancestors of the islanders. The myth points to what Jeju was for centuries: a world apart, with its own identity.
Tamna kept up relations and paid tribute to the kingdoms of the Korean peninsula, and to China and Japan as well, but it held on to a remarkable degree of autonomy. Only in the 12th century did it come under the sway of the Korean kingdom of Goryeo. In the 15th century, under the Joseon dynasty, it was fully absorbed as a provincial territory and lost its old status.
Isolation left a deep mark on the island's culture. Jeju developed a dialect so distinctive that mainland Koreans often find it almost impossible to understand. It also built a black volcanic-stone architecture suited to the wind, a shamanism of its own with thousands of local gods, and a set of unique traditions. Islanders sum up their land with the 'three abundances' (samda): wind, stone and women. They also speak of the 'three absences' (sammu): traditionally there were no thieves, no beggars and no gates on the houses.
Of all the traditions that Jeju's isolation produced, none is as admirable or as unusual as that of the haenyeo, the 'women of the sea'. These divers use no breathing equipment. They go down to about ten metres to gather abalone, sea urchins, octopus, sea snails and seaweed by hand, holding their breath on every dive, one after another, for hours in cold water. The practice is at least several centuries old, and it came to define the island's economy and society.
The land was poor and battered by wind, so farming was hard, and it was often the women who supported their families with what they brought up from the sea. This gave Jeju a social structure that was unusually matriarchal for the Confucian, patriarchal Korea of the time. The haenyeo organise themselves into cooperative communities with rules to avoid overharvesting the sea. They gather at the 'bulteok', the communal fire on the shore where they change, warm up and pass on what they know about the work and about life.
Today many haenyeo are over seventy or eighty and still diving, while young women rarely take up the work, so the tradition is in danger of disappearing. In recognition of its value, UNESCO inscribed the culture of Jeju haenyeo on its list of the Intangible Cultural Heritage of Humanity in 2016. In 2023 the FAO recognised their fishing system as a Globally Important Agricultural Heritage System. They are, with good reason, a symbol of the strength and independence of Jeju's women and of their sustainable relationship with the sea.
Jeju's history includes a deeply painful chapter that was kept silent for decades and deserves to be told accurately and soberly. It is known as 'Jeju 4·3', after the date it began: 3 April 1948.
The background is a Korea newly freed from Japanese rule (1945) and split by the great powers into two occupation zones, with tension between left and right growing as the Cold War took hold. In Jeju, the unrest went back further. In March 1947 police fired on a demonstration and killed several people, and the crackdown that followed inflamed feelings. On 3 April 1948, in opposition to the separate elections that would cement the country's division, an armed left-wing group launched an uprising, attacking police stations and right-wing civilians.
What followed was repression of extreme violence by the security forces of the new South Korean government, with the US military command overseeing them in the earlier period. It lasted until 1949 and left the island devastated. An official commission of inquiry documented more than 14,000 victims, the vast majority killed by the security forces rather than the insurgents. It estimated that the real death toll may have reached around 30,000 people, overwhelmingly civilians, including elderly people, women and children. Nearly 70% of the island's villages were burned and tens of thousands of homes were destroyed.
For almost half a century, talking about 4·3 was forbidden in South Korea. Under successive authoritarian governments and in the anti-communist climate of the Cold War, the events were hushed up. Survivors and victims' families were stigmatised and kept under watch for generations. The pain stayed locked inside the island's families, who could not name their dead in public or seek justice.
The silence began to break as Korea democratised from the late 1980s. Civil society, artists and academics recovered the memory, and in 2000 the state passed a special law to investigate what had happened. A national commission documented the events, and in 2003 the President of South Korea formally apologised to the victims of Jeju on behalf of the state, a historic act of acknowledgement and redress. A day of remembrance was established and the Jeju 4·3 Peace Park was built with its museum and memorials. A long process also began to identify remains and restore the good names of the dead.
In 2025, the documentary archives on 4·3 were inscribed on UNESCO's Memory of the World Register. This was international recognition of what that memory means for humanity and for the defence of human rights. In this way Jeju turned its deepest wound into a lesson: an island that asks to be remembered as an 'island of peace'.
Today's Jeju is, above all, Korea's great natural paradise. From the second half of the 20th century, and especially as domestic tourism took off and air links improved, the island became the dream destination for Koreans. It is where they go for honeymoons, beach holidays and weekend getaways from Seoul, just an hour's flight away. The Seoul-Jeju route is in fact one of the busiest air routes on the planet.
Its exceptional natural setting has received the highest international recognition. In 2007, UNESCO declared 'Jeju Volcanic Island and Lava Tubes' a World Heritage Site. The listing covers the Hallasan volcano, the Seongsan Ilchulbong cone and the Geomunoreum lava tube system (including Manjanggul). Jeju is also a UNESCO Biosphere Reserve and Global Geopark, a rare 'triple crown' of distinctions. On top of this natural treasure comes a cultural one, led by the haenyeo.
The old Tamna, the independent kingdom of the sea, is now an island of many layers. There is its unique volcanic landscape and its matriarchal, shamanic culture. There is the 4·3 tragedy, turned into memory and a banner of peace. And there is its present as a place of rest and beauty. Travelling around Jeju means seeing all of them at once: climbing a volcano, going down into a lava tube, watching a haenyeo in her eighties dive, and pausing before the names of the victims of a tragedy. It is a small island that holds a good part of Korea's soul in its black stone and its rough sea.
