The Seawall Gravity Block is designed for projects that require new seawall construction. The inset pattern is comprised of various chevron shaped intrusions of different sizes for different species. Grooves are also incorporated at different levels for species of different ages. The blocks can vary in size depending the type required. Fore best results they should be clustered together to create a large surface area for habitat. A form liner can also be ordered separately in lieu of the entire block if requested. The pattern can also be coordinated with fender placement.