Start the day with a taxi drive up to Cerro de La Popa, the 150m (492 ft) hill lying to the east of the city.
While the driver waits, spend time appreciating the highflying views of Cartagena and the Caribbean Sea.
The 400-year old convent, Convento de Nuestra Señora de La Candelaria is open, for a fee, to the public.
On the way up/down, the contrasting faces of the city are revealed, as is the unfortunate inequality that exists between social classes.
Next stop, colonial Spain’s most impressive work of strategic military architecture, the Castillo San Felipe de Barajas.
Skip the guided tour and take a self-guided audio tour of the citadel.
Spend a few hours exploring the complex network of tunnels; admiring the impenetrable walls and the once oh-so-powerful cannons.
It gets extremely hot up there, so bring a hat and lots of water.
Exiting the castle to your left, take the main road and walk towards Getsemaní.
The once-former slave quarter has transformed into Cartagena’s most charming and authentic neighborhood, with dozens of cafes, bars, and hotels.
Take a slow stroll, drink a coffee and don’t miss the fantastic, ever-expanding collection of urban street art that covers the walls of Calle de La Sierpe; creatively illustrating life in this diverse city. If you're into travel and street photography, you'll definitely want to spend some time here.
Leave Getsemaní and walk 10min northeast towards the India Catalina Monument.
The park is dedicated to an indigenous woman, who, after being kidnapped by the Spanish, acted as an interpreter and mediator between the Spanish and the local tribes.
Stop for a selfie at the Clock Tower before you enter the walled city, which will make Gabriel García Márquez’s fans weep with joy (you can pass his former dwellings, Casa Gabriel García Márquez).
Before getting romantically lost in the maze of colonial alleyways, plazas, and street performances, get energized by buying a couple of typical sweets from the brightly dressed ladies in the Portal de los Dulces, within the Plaza de los Coches (former slave market).
Although smaller than her cousin in Bogotá, the Museo del Oro Zenú does offer a decent collection of artifacts from the Zenú Indigenous tribe.
Overcome Cartagena’s stifling afternoons and rent a bicycle from the bike rental place in Parque Centenario, near the Clock Tower.
Head towards the skyscrapers that dominate the skyline of Bocagrande. Traffic can be a little bit crazy, so take care.
As this is the wealthier neighborhood, there are many shopping malls, trendy bars and restaurants, and boutique stores to stop at.
A quick dip in the sea isn’t a bad idea, too.
Alternatively, hop on a T103 Transcaribe Bus until Commercial Centre El Pueblito stop.
Ride back, or take a bus/taxi, to the Old Town and discover the city from the top of the wide 17th-century walls that were built by African slaves.
Be sure to arrive at the western facing walls before sunset. Find a spot, buy a beer, and enjoy the sky as it shifts along a color palette.
When nighttime falls, pick a restaurant within the walls or head to Getsamaní, where La Plaza de La Trinidad is just waking up.
While beautiful by day, Cartagena truly comes alive at night – especially in Old Town – with laughter and music radiating throughout the streets. Local insider Jacqui shares her picks of Cartagena’s best spots after dark.
From Cartagena's Old Town to the top of San Lazaro hill, here are the top things you should see and do.