Hell is a group of short, black, limestone formations located in Grand Cayman, Cayman Islands. Located in West Bay, it is roughly the size of half a football field. Visitors are not permitted to walk on the limestone formations but viewing platforms are provided."Hell is a unique formation which is characterized by jagged, spongy pinnacles of black-covered limestone. This phytokarst formation is produced when attacking filamentous algae interact with the Ironshore Formation limestone present at this location.