In the heart of the oldest quarter of Magong lies a remarkable monument to the engineering of the past — the Four-Eyed Well. This unique historical site, located on the Taiwan archipelago, is a deep stone shaft covered by a massive slab with four circular openings. The well earned its unusual name from these "eyes," which allowed locals to draw water simultaneously from different sides.

It is considered one of the oldest water sources in the region and holds the status of a Class 3 Historical Monument. The well is approximately 5.6 meters deep. Its design was not only practical for the needs of a busy market but also safe: the narrow openings protected people from accidentally falling into the water.
Today, this site has become an important cultural landmark surrounded by traditional architecture. The Four-Eyed Well is not just an ancient reservoir, but a living testament to how ingenuity helped people manage daily life in a coastal environment where clean fresh water was always worth its weight in gold.