The video shows a person snorkeling underwater. The person is wearing a snorkel mask and swim trunks. The water is clear and blue, and the sandy bottom is visible. The person is swimming near a stingray, which is lying on the sand. The stingray has a flat body and a long tail. The person is also seen swimming near a shark, which is swimming in the background. The shark has a pointed nose and sharp teeth. The video captures the beauty and diversity of marine life.