Just 2 1/2 blocks from the plaza containing the "Iglesia y Convento de Nuestra Senora de la Merced," and 6 1/2 blocks from the "Parque Central," you pay only Q100 ($13) for a nice clean room with a double bed, TV, private bath, and shower (with instant-on hot water). The interior patio provides a nice sitting/reading area; there also is a kitchen and tables on the upper level for eating, reading, etc. Wi-Fi is free. It is only 1/2 block from Fernando's Kaffee which has great breakfasts and lunches, a large variety of chocolates, some wines, and a friendly cat. The nearby plaza has several restaurants and bars, travel agencies, small stores, and outdoor food vendors on weekends. In sum, Casa Los Arcos provides low-cost secure accomodations within walking distance of many cafes, bars, tour agencies, and Central Antigua.
Tour operators and micro-buses to the airport in Guatemala City (45 minutes away) will pick you up at the door.