Social commerce is regarded as a kind of e-commerce that utilizes social media. Considering increasing complaints around social commerce market, it is important to see customers’ satisfaction level and intentions to repurchase. In this study, we examine antecedents that affect customers`` satisfaction and relationship between satisfaction and intention to repurchase in social commerce market. We also use social media characteristics as moderators between antecedents and customers’ satisfaction. The main results are as follows. First, except site design, most of the intrinsic factors of service quality, such as information, transaction, communication and perceived security had positive effects on customers`` satisfaction. Second, all the extrinsic factors of service quality, such as discount rate, constraints, and discrimination had significant impacts on customers`` satisfaction. Third, the social media characteristics could not moderate the relationship between service qualities and customers`` satisfaction. Fourth, customers`` satisfaction had positive effect on the intention to spread through social media. Fifth, customers`` satisfaction had positive effect on the intention to repurchase. Social commerce companies need to set up strategies considering the antecedents of customers`` satisfaction using these research results. They also need to secure customers that have sustainable purchasing intentions.