If the hotels listed are full, try Hotel Astor, 5ta Calle 4-60, Zona 1 (tel. 502/7771-2559; firstname.lastname@example.org). If you want to eat someplace beside the Don José, try Restaurante La Luna (tel. 502/7771-0194), which fronts the plaza.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.