On April 8, 1901, Reverend James Chalmers and Reverend Oliver Fellows Tomkins arrived at Dopima village with ten missionary students, intent on evangelizing the local population. Chalmers was a veteran of Pacific missions, experienced and respected, but neither his reputation nor his intentions mattered that morning. The missionaries were killed with stone implements. The incident became a cause for colonial outrage, with allegations of cannibalism amplifying the shock. But the circumstances deserve a more careful reading: these were uninvited outsiders entering a community that had its own laws, its own territorial boundaries, and its own understanding of who belonged and who did not. What happened was violent and final, but it was not unprovoked from the perspective of the people who lived there.

An Australian Royal Commission was convened in 1904, led by Judge Christopher Stansfield Robinson. The stated objectives were to apprehend a man named Lake, allegedly involved in the killings, and to recover the missionaries' remains for Christian burial. The commission also intended to recruit local men as a police force. What followed was a disaster of colonial arrogance. When local people stormed the Australian ship Merrie England, the response was gunfire. As many as eight people were killed and many more wounded, with no major injuries on the Australian side. During the reprisal raid, Reverend Harry Moore Dauncey reported finding between 400 and 700 skulls in village houses and nearly 10,000 in the longhouse, all of which were burned. The commission viewed the islanders, who greased their bodies rather than wearing European clothing, as something less than fully human. Professor Matthew Keller has argued that the commissioners regarded the population as a different biological species entirely. Robinson, the judge who led the mission, later shot himself. He was replaced as Chief Judicial Officer by Hubert Murray.

Goaribari measures roughly 5.8 miles from east to west. Risk Point marks the eastern extreme, and a sandbank extending nearly three miles off the southeast side is exposed at low tide. The island is a deltaic formation, built from sediment deposited by the Kikori and Omati rivers, and its highest point stands about one meter above sea level. This is not a place that forgives complacency about tides. During storm events and king tides, large areas become inundated, and over the decades this flooding has forced the relocation of villages to higher ground. In 1924, floods and coastal erosion destroyed the village of Kirawa entirely, scattering its people to other settlements. Archaeological traces of Otoia village persist, though parts have been consumed by the shifting Kikori delta channel. The remaining houses are built on stilts, the only practical architecture on land that spends much of its time underwater.

The Kerewo people who inhabit the island's northwestern region speak a language linked to Kiwai, and their ethnic identity connects them to the communities of the Fly River delta. The Muguru ceremony, practiced on Goaribari, mirrors rituals of the Kiwai people: a clubhouse decorated with dracaena leaves hosts initiates who wear dracaena branches in their waistbands. The vegetation itself carries meaning here, with croton plants growing on hilltops and nipa and coconut palms dominating the lowlands. Tall mangroves line the shores. The island's thick tropical rainforest persists despite the flooding, the colonial raids, and the erosion that has slowly reduced Goaribari's footprint over the past century. One hundred people remain, living on stilts above the mud, on an island that the tides continue to reshape.