Marietas Islands - is a Mexican National Park, which in 2008 was included in the UNESCO list of the most important biosphere reserve in the world. Uninhabited islands in the Bay of Banderas, are a popular diving, snorkeling, kayaking and bird watching. The main attraction of the island is considered a "beach lovers", better known as the "hidden beach." The place resembles a huge natural pool, but to get to the beach, you need to swim through a short tunnel.
