One of the historical values ​​of the city-museum of Side is a port facility. This ancient building was built in the third century (in the Pre-Roman era) by order of the mayor of the city of Side. While Turkey was a powerful and prosperous country with a large trade. She wanted to provide economic and military impact on the transformation of the emerging European foreign policy, and one of the most important tools for this is shipping. Therefore, the most important strategic significance had each port State. As a result, the ports were created numerous significant and unique institution.

An example of such an institution was a bath and port town of Side. It differs from the usual features of a variety of buildings in the city, because, first of all, it was designed to attract visitors, and showed all the sophistication and power of the state. According to ancient tradition, all the newcomers at first wash, and only then passed to the city.

As the name implies, the bath was located near the port, to the south of the City theater. The structure has a rectangular shape, length and width, respectively, are 60 and 40 meters. There are four large halls, parallel to each other, and three small rooms. Under the marble flooring the bath was the heating system.

For centuries, the bathhouse was repeatedly restored and rebuilt. Over time, it built a two Gymnasium Hall, to the locals could do is exercise. Nowadays, Port Room is a ruin, its place remained only destroyed ancient masonry stones, but it does not detract from its historical value.