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Introduction: The characterization of Zika outbreaks is of great importance to determine the individual and collective risk factors involved in their occurrence and is the basis for the development of effective strategies for surveillance, prevention and control of Zika transmission. Objective: To describe epidemiologically the main characteristics of the first epidemic outbreak of Zika recorded in Panama, in the Guna Yala region. Materials and methods: A descriptive and retrospective study of the first Zika outbreak that occurred between 27 November 2015 and 22 January 2016 in Guna Yala, Panama, was designed and conducted. Results: A total of 68 serum samples were collected from suspected patients, 38 samples were positive by PCR for Zika in the Guna Yala Comarca, Ustupo registered the highest number of cases (n = 29, 76.3%), (n = 43; 86%) of the cases were younger than 59 years, (n = 37; 74%) of the cases were economically active population (14 to 65 years of age) and (n = 30; 60%) of the cases were female. Conclusion: This study has shown the ease with which arboviral diseases such as Zika can be introduced, spread and have an impact on the public health of the population, the health system and become established in the regions where these health events occur. Further studies strengthened epidemiological surveillance and consideration of risk factors are needed to ensure the sustainability of health interventions and to reduce the social and economic impact of this arbovirosis. [ABSTRACT FROM AUTHOR]