Oceanite mixtures are chosen to enhance the growth and development of desired species and can be completely customized to site and function - including pH values. Unlike Portland cement, the pH of Oceanite mineral mixtures is customizable, which allows us to create ideal growth conditions for target species by fine-tuning and controlling substrate pH. Portland cement can burn animal tissues when they come into contact with it because it has a pH around 12. Oceanite mixtures can currently attain a pH as low as 8.1, corresponding directly to the surrounding ocean’s pH value. The porosity of the material provides more surface area for animals to live in the crevices, creating a living substrate that is unparalleled in marine construction materials. Our mixtures and designs are also engineered to optimize strength and durability, and can withstand marine storms and conditions for hundreds of years.