3 must-see hop-off attractionsDon't have time to hop off at every bus stop? Don't panic! The first recommended bus stop is San Sebastian de Pastelillo at bus stop 3, located right on the Marina of Cartagena. Originally the Fort Boquerón, it was the first fort to be built in Cartagena in the 16th century to defend the city from possible attacks. Although it's only small, you can enjoy the breathtaking views of the sea and go for lunch at the Club de Pesca! Another exciting landmark is San Felipe Castle at bus stop 5, a fortress built on the top of San Lázaro hill in the 17th century. Last but not least, hop off at Castillogrande at Bus Stop 14. Take a walk along the marina and soak up the sunshine!