Casa Sonia offers accommodations in Cartagena de Indias, a 16-minute walk from Marbella Beach and 1.4 miles from Steps of La Popa Mount. The air-conditioned accommodations are a 15-minute walk from Crespo Beach. Palace of the Inquisition is 3.3 miles away, and Bolivar Park is 3.4 miles from the guest house. At the guest house, every unit comes with bed linen and towels. San Felipe de Barajas Castle is 1.8 miles from the guest house, while Cartagena's Walls is 2.8 miles from the property. The nearest airport is Rafael Núñez International Airport, 1.2 miles from Casa Sonia.