The short version
Downtown Colon is the part of Cebu that does not bother to tidy itself up for the visitor. Colon Street is presented by the city government as the country’s oldest street, and that tells you something about the quarter’s value: this is the old commercial city, not a lifestyle precinct conceived in a single sitting. The Basilica del Santo Niño, Magellan’s Cross, Fort San Pedro, Carbon and the port approaches are close enough to make the centre a sensible base for somebody who wants Cebu’s history and ordinary street life at hand.
It also means accepting a city centre that works hard. Shopfronts, markets, loading activity, religious visitors and traffic meet in a remarkably small area. The attraction is immediacy, not calm. A flat near the older streets can make a useful temporary base if you prefer errands and places of interest on foot, but building quality, noise and the feel of a particular lane vary too much for a blanket recommendation.
The useful geography
Colon is best thought of as an east to west spine rather than a neat residential neighbourhood. The heritage district proposed by the city includes the Santo Niño area and the historic Magallanes and Colon streets. Carbon lies to the south west, while the pier side and Plaza Independencia pull the centre towards the sea. That arrangement makes orientation straightforward, although the walk between the old core and a specific home can still be unpleasantly exposed to heat, traffic and rain.
For newcomers, the practical point is that this is a place to choose because you want this version of Cebu. It is not a substitute for the newer office districts, nor an easy answer for anyone hoping for a quiet compound with parking and a predictable evening. Come by at the time you expect to travel, especially if a market street or port approach lies between you and home.
Who it suits
Downtown Colon suits short stays, people who enjoy a proper old city and residents prepared to trade polish for proximity. It suits badly those who want a uniform residential environment or intend to depend on a car for every journey. The map’s boundary is deliberately a functional catchment, not a claim that every block has the same character.