This study investigates the multifaceted roles and competences of STEAM (Science, Technology, Engineering, Arts and Mathematics) educators and their engagement in Communities of Practice (CoPs). Through an online survey of Greek educators who have implemented STEAM educational projects, employing both closed and open-ended questions, this research uncovers the complexities of the STEAM educators' role and illustrates how engagement in CoPs can be critical for their professional development and pedagogical practices. The findings highlight the benefits of collaboration, experience exchange and the adoption of best practices within these communities, emphasising CoPs' transformative potential in enhancing STEAM education. By focusing on the educators' perceptions and the contributions of CoPs to teaching, learning and professional growth, this study offers insight that may benefit other European countries without a formal STEAM curriculum, advocating for the integration of art in STEM fields and the importance of CoPs in advancing educational practices towards a more equitable, inclusive and vibrant society.