The Machap Old Mosque is located in a former town of Machap Lama before a new town was developed nearby to replace the old town. It is situated approximately 18 miles (30 kilometres) from Melaka city.

The double-tiered pyramidal roof has now become a feature of a typical Melaka mosque typology, with the absence of a minaret. Nonetheless, unlike the rest, the pinnacle is replaced with a small onion-shaped dome, accentuated with intricate detailing at its roof eaves. A series of glass-stained clerestory windows ore tucked in between the roof tiers. The small main prayer hall is surrounded by a veranda area, specified by a series of square base columns. linked by a steel railing. The entrance step is marked by concrete balustrade and plinth elements, an inference of the former Hindu temple architecture, The columns and walls are richly decorated with paintings and well finishing of Chinese influence. Towards the end, an old beduk is placed on a platform, and a stone plate is attached to the dead end wall.

As the mosque is no longer in use, the main prayer hall has remained empty without any excessive finishes and a minbar. The main six columns supporting the roof structure are finished by the timber ceiling panelling which can be viewed inside the mosque Equipped with some timber balustrade windows, it provides sufficient daylight and ventilation. A smell mihrab niche is placed alongside the qibla wall.

Due to its precious and valuable architectural heritage, the Machap Old Mosque was spared from being submerged in the manmade water body caused by the damming of the river in 1986, As it was situated on a much higher elevation, it was not fully submerged in water.