Business continuity is a stability of business conditions which includes addition and continuation to protect business continuity and business expansion for the long term. This long-term value can be increased consistently and stable in business performance that can implement, among other things, the values that exist from within the entrepreneur himself. Based on this, this study aims to examine the effect of entrepreneurial characteristics, entrepreneurial self-efficacy on the sustainability of fish catch business in Bonebolango Regency. This research is a non-experimental explanatory research with multiple linear regression analysis. The population in this study were 50 fish catch businesses of fishing communities in Bonebolango Regency, all of which were sampled. The results of the study prove that the characteristics of entrepreneurship and entrepreneurial self-efficacy have an effect on business sustainability both partially and simultaneously