Adolescent marriage practices not only involve the structure in family or society but also related to the inter-individual social relations, one of them is peers. Peers are agent in the adolescent women marriage practices, because peers become a reference in act and behave for teenagers. The aim of this study are identify the peer pressures and analyze the agent’s actions of peers in adolescent women marriage practices. This research uses mixed-method that combines qualitative and quantitative. The results show that peers put pressures on three things related to adolescent women marriage practices in Gunungsindur village. Peers become one of the agents in adolescent women marriage practices. Peer’s actions are influenced by existing structures in society as well as by agency. Furthermore, the actions undertaken by peers or adolescent women actually perpetuate adolescent women marriage practices.