Petatlán is a city in the municipality of Petatlán located along the Pacific Coast of the Mexican state of Guerrero. It is part of the Costa Grande region between Zihuatanejo and Acapulco. The city is known for the Sanctuary of the Padre Jesús de Petatlán, a 17th-century image of Christ that is claimed to have performed religious miracles. The city is the seat of a large municipality, which faces the Pacific Ocean to the south and is bounded by the Sierra Madre del Sur to the north.