You can get some Maya-style artwork from outdoor vendors who set up unobtrusively at the ruins.
Sleep, Eat & Drink
El Panchan is relatively near the ruins and has cabanas and small cabins and common sleeping areas with hammocks. A cabana with access to a common showers and bathrooms facility is 80 pesos, approximately 8 USD. The little Otulum river runs through the location. Don Muchos is a great restaurant there as well.