Gizo is a meeting point of ocean forces—where coral gardens collide with fast-moving channels and WWII wrecks now overgrown with reef life. It's considered one of the fish biodiversity hotspots of Oceania. On land, Gizo buzzes with island markets and community life, but just beneath the surface lies a modern challenge—waste management. The contrast is sharp as there's some of the richest waters in the Pacific alongside visible reminders of human impact here.