Owned and operated by Tua and Courtney Karalus, Deep Dive Division is a commercial and scientific dive company that specialises in infrastructure inspections and maintenance, environmental monitoring and assessments, biosecurity, aquaculture and underwater asset management. Deep Dive Division is the only Maori and Pacific commercial dive company in Aotearoa and provides clients a holistic approach with a focus on the integration of modern technology within traditional matauranga Maori framework.