The video shows a group of sea lions swimming in the ocean. The water is clear and blue, and the sea lions are seen swimming around and under the water. The sea lions are grey and white in color, and they are of various sizes. The video captures the sea lions' movements as they navigate through the water, with some of them swimming close to the camera and others swimming further away. The sea lions appear to be in a playful mood, as they are seen swimming around and interacting with each other.