Family farm sustainability traditionally focuses on economic and environmental issues. However, sustaining family farms also relies on understanding how to sustain the relationships contained therein. Emotional intelligence (EI) is an important means through which family farm members can sustain relationships, especially when handing conflict between members. This paper focused on how four EI dimensions (awareness of own emotion, management of own emotion, awareness of others’ emotions, management of others’ emotions) could prevent four types of conflict within family farms (task, relational, process, and status). Family farm participants (N = 204) were recruited through social media posts and emails to specialty agricultural groups and agencies, and students at a university. Hierarchical regression results showed that awareness of own emotions, management of own emotions, and management of others’ emotions negatively predicted task, relational, process, and status conflict. Awareness of others’ emotions did not predict any conflict types. Theoretically, this article points to the importance of considering all four EI dimensions, since they impact conflict types differently. For the family farm members, being aware of their own emotions and being able to manage emotional responses in themselves and others can help prevent conflict from occurring, thereby sustaining both family and business relationships for the future.