The video shows a vibrant underwater coral reef with a variety of corals in different shapes and colors. The corals are predominantly orange and red, with some purple and yellow corals visible. The reef is teeming with marine life, and the water is clear, allowing for a detailed view of the corals. The corals are attached to the rocky seabed, and there are small fish swimming around them. The video provides a close-up view of the corals, highlighting their intricate textures and patterns.