One of the traditional markets that still exists among the people, especially the people of Manado city, is the Bahu traditional market, which is always busy every day, even though there are many modern markets built around the shoulder market, but there are still many visitors who come there because apart from its easy location within reach of the Bahu market it is also one of the fresh fish stock markets for the surrounding community. The purpose of this study was to reveal social solidarity among fish sellers at the 66 shoulder traditional market in Manado City. In this study, researchers used descriptive qualitative research methods. Qualitative research is research that intends to understand the phenomenon of what is experienced by the research subject. The data analysis model used in this study is from Miles and Huberman through the data codification stage, data categorization, and connecting categories. The results of this study are shared awareness as a group member, cooperation and help between traders, and a very high sense of interdependence between traders.