Isla's best beaches are on the northern most tip of the island, near the downtown area, and the pristine sea that surrounds them is as calm as a giant swimming pool. To the south lies the Garrafon National Park amidst the archaeological ruins of the Temple of the Goddess Ixchel. Also close by are the Sculpture Park, an open-air gallery, as well as breathtaking natural attractions, such as panoramic cliff views, and bountiful coral reefs teeming with marine life, ideal for snorkeling. For the more experienced, and certified divers are the reefs of Punta Norte and Manchones to the south, as well as the Cave of the Sleeping Sharks, and the sites of two sunken ships, the Ultrafreeze and a naval craft.