This study examines the effectiveness of Biorock, a biomimicry solution typically used for the physical protection of coastal infrastructure from wave action, as a carbon sequestration method. Biorock is a mineral deposition product with a lower carbon footprint than, and equivalent in strength to, traditional concrete or quarried rock solutions. This study may find that as well as reducing the carbon impact of cement production in coastal protection, it can act as a CO2 sink for coastal waters.