Oceania Polytechnic and Technological University (OPTU) integrates Higher Education for Sustainable Development (HESD) through a holistic approach that combines sustainability-focused curricula, inclusive and fully online learning, and applied research that addresses real-world challenges, particularly in the Pacific Island context. Committed to SDG 4 and lifelong learning, OPTU promotes equitable access to education while fostering innovation in areas such as climate resilience, digital inclusion, and renewable technologies. Through strategic partnerships, community engagement, and sustainable institutional practices—including paperless operations and green digital systems—the university empowers learners and communities to become agents of sustainable development locally and globally.