CheckIn:3.00 pm. Checkout:12.30 pm Hotel Boutique Casa El Carretero boasts a fully restored colonial building with Caribbean style décor in Gethsemane, the historical walled city of Cartagena. An outdoor pool and free Wi-Fi are available. #Hotel Boutique Casa El Carretero boasts a fully restored colonial building with Caribbean style décor in Gethsemane, the historical walled city of Cartagena. An outdoor pool and free Wi-Fi are available.