Red coral marsh

Red coral marsh is a tile in the Factorio system categorized as a decoration; it serves as a terrain tile used for visual ground decoration and map aesthetics rather than as an interactive object. As a decorative tile, Red coral marsh is placed as part of terrain generation or painting to give areas a distinct look and is referenced by building and pathing systems only insofar as it represents the ground surface. The entry provides the tile's name and its role as a decorative terrain element.