In the "An ISLAND within the BIGGEST ISLAND in the Philippines" video, viewers are taken on a journey to Mindanao, the largest island in the Philippines, focusing on one of its stunning smaller islands. The hosts explore its breathtaking landscapes, pristine beaches, and vibrant local culture. They highlight the island's history, traditions, and various activities like snorkeling and hiking. Engaging visuals showcase the island's charm, inviting viewers to appreciate its hidden gems. By the end, the hosts encourage exploration of this remarkable destination, celebrating the beauty found within Mindanao.