The video shows a large sea turtle swimming in the ocean. The turtle is seen moving slowly through the water, with its flippers gently propelling it forward. The ocean floor is covered in sand, and there are rocks and coral visible in the background. The water is clear, and the sunlight is shining through, creating a beautiful and serene underwater scene. The turtle appears to be alone, and there are no other sea creatures visible in the video. The turtle's shell is a mix of brown and green colors, and it has a calm and peaceful demeanor as it swims through the water.