The video shows a group of dolphins swimming in a body of water. The water is a greenish color, and the dolphins are gray with white underbellies. The dolphins are swimming in a coordinated manner, with some of them jumping out of the water. There is a person in the water, wearing a blue shirt and black shorts, who is swimming alongside the dolphins. The person appears to be interacting with the dolphins, possibly feeding them. The dolphins are of various sizes, suggesting a mix of adults and juveniles. The video captures the playful and social nature of these marine mammals.