The Pacific archipelago where stone wheels serve as massive, immovable tokens of wealth

Countries & Cities · Published 29 September 2026 Swipe more like this →

In short: Scattered across thousands of kilometers of the western Pacific, the Caroline Islands are home to a unique history of navigation, colonial power struggles, and a currency system that defies logic. From giant limestone discs to the origins of typhoons, these islands have long served as a crossroads for global empires.

The Caroline Islands comprise roughly 500 small coral atolls and islands stretching 3,540 kilometers from Palau in the west to the Federated States of Micronesia in the east. Historically known as the New Philippines, the region was governed from Manila during the Spanish East Indies era. The islands have been a strategic prize for centuries, shifting through the hands of Spain, Germany, Japan, and the United States. Spain claimed the islands in the 16th century, though their influence fluctuated until a formal sovereignty agreement was reached in 1885 following arbitration by Pope Leo XIII.

The islands are perhaps most famous for the unique stone money of Yap. These massive calcite or limestone discs, some weighing up to five tons, were quarried in the Pelew Islands 200 miles away. Rather than circulating, these stones remain fixed near a chief's treasure-house, functioning as public tokens of wealth where ownership changes through simple social agreement. This unconventional economy existed alongside a rich tradition of indigenous navigation, famously preserved by the navigator Mau Piailug, who helped revive traditional Polynesian voyaging techniques in the 1970s.

Beyond their cultural history, the islands have played a vital role in meteorology and global trade. In 1905, a meteorological station established on Yap identified that many East-Asiatic typhoons originate within the Caroline archipelago. Throughout the 19th century, the islands were a frequent stop for whaling ships seeking wood, water, and provisions. Following the Spanish–American War, Spain sold the islands to Germany in 1899 for 25 million pesetas. Japan later occupied the territory during World War I, eventually using Truk Lagoon as a major naval base during World War II before the islands transitioned to United States trust territories and, eventually, independent nations.

The social and religious landscape of the islands evolved through intense missionary activity. While indigenous beliefs once centered on a supreme being called Yalafar and an evil spirit named Can, Christianity became the dominant religion over the centuries. Today, the islands remain a complex blend of traditional horticultural practices, diverse linguistic roots, and a modern political structure split between the Federated States of Micronesia and Palau.

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