Atolls Atolls 10/01/24 “What do we call ring-shaped islands that contain lagoons?” Islands come in all shapes and sizes. Some are ring-shaped islands that contain a lagoon in the center. These are called Atolls, and are some of the most beautiful places in the world. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Earth/Climate scienceEcology