Sea Country connectivity between the mainland and offshore islands is an area of interest to the Esperance Tjaltjraak Rangers and Elders of Western Australia’s south coast. The Belinup-Gabootibitj cultural corridor extends from Cape Arid on the mainland ~10 km offshore to Middle Island and is an area of significant cultural and ecological value, recently being gazetted as a ‘Cultural Management’ zone in the proposed South Coast Marine Park. A collaboration between the University of Western Australia and the Esperance Tjaltjraak Rangers aims characterise the habitats and fish communities along this cultural corridor and better understand how they change over spatial and temporal scales. Stereo baited remote underwater video systems (stereo-BRUVS) were co-deployed in 2021 and 2022, with additional stereo-BRUVS datasets from 2019 utilised to enhance analysis. Preliminary findings suggest that fish diversity and abundance increase with distance from the mainland and is highest around the complex reefs of Middle Island. Total fish biomass, however, is greatest in sandy habitats between the mainland and Middle Island due to high numbers of sharks and rays. Data analysis is still ongoing, with the research results providing a benchmark for future management of this ‘Cultural Management’ zone and a framework for Indigenous-led science projects.