Why Did Ancient Peoples Make the Massive Diquís Sphere Stones in Costa Rica?

By Dig Labs Contributors

Source: Dig Labs Project

Their placement in settlements suggests they might have served as markers of status, boundary indicators, or astronomical alignments.

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“Why Did Ancient Peoples Make the Massive Diquís Sphere Stones in Costa Rica?” by Dig Labs Contributors is licensed by the Observatory under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0). For permissions requests beyond the scope of this license, please see Observatory.wiki’s Reuse and Reprint Rights guidance.Last edited: June 29, 2026

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Introduction

The perfectly spherical stones of the Diquis Delta in Costa Rica range from a few centimeters to over two meters in diameter. Created by the ancestors of the Boruca people, these monuments demonstrate a sophisticated mastery of geometry and stonework without the use of metal tools. Their placement in settlements suggests they might have served as markers of status, boundary indicators, or astronomical alignments.