The growth of Small and Medium Enterprises (SMEs) in Indonesia makes the owner to have an excellent strategies especially marketing strategy to broaden their market share and increase their products or services' quality. Due to SMEs weaknesses of lack in human and financial resources, they need to conduct online marketing to reach their consumers, fasten the transactions and better customer support, thus saving costs for doing marketing campaign, etc. One of the biggest social network in the world, Facebook can be a solution for SMEs by exploited their features i.e. Facebook Profile, Group and Fans Page for marketing purposes. Most of SMEs today have adopted Facebook as their marketing medium but they have not measured the impact and effectiveness of marketing that they have done. In order to better understand the need of online marketing for SMEs and to provide guidelines for Indonesian SMEs in choosing marketing medium, this paper presents the impact analysis of using Facebook in two Indonesian SMEs i.e Inspired 27 and Garlick Store Company.