The main aim of this study, to determine the power of the relationship between market maven that are actively in purchasing decisions of consumers and viral marketing of these consumers through information transmission on the internet. For this purpose data were collected by questionnaire method. Convenience sampling method had been used. Firstly, market maven were identified to participants, asked whether they saw themselves as market maven or not, a questionnaires was applied to those who identified themselves as market maven. Participants are living in Izmir. The sample of research is 486 market maven consumers. Collected data were analyzed with correlation analysis. As a result of study, the relationship is strong between the market maven and viral marketing.