This is the most important investment taking into account the increase in tourist traffic within Koszalin. Before its construction, there was one municipal swimming pool in the city, which was not sufficient for residents, let alone for tourists. The aquapark was financed from municipal funds and EU subsidies. Cost. The investment is PLN 82 million. It was built in 2015 and is one of the largest and most technologically advanced facilities of this type in Poland. Its location is distinguished from other water parks, it is surrounded by lush forests at the foot of the Chełmska Mountain. In summer, when the outdoor part is open The park boasts the most modern "Daisy" water filtering systems, which make the use of chlorine minimal, which translates into better well-being even after a long stay in the facility. The park is divided into 2 zones: recreational There is also a professional gym in the facility a and Aqua-bar. The largest of the zones is the recreational one, it consists of six swimming pools, 4 internal and 2 external (1 open all year round). There are facilities such as a sports swimming pool, children's pool, waterfalls, water jets, geysers, jacuzzi, artificial waves and a wild river. The pride of the park is one of the 6 water slides - Anaconda - which is not only the longest in the park, it is 176m long, but also the fastest. The second zone - saunas - is intended for people looking for relaxation and regeneration of the body. There are baths - brine, steam, steam and mud, as well as saunas - Finnish, herbal, ritual sauna, infrared cabin, color therapy, jacuzzi zone, Scottish shower, sunny meadow, salt cave, ice cave, outdoor relaxation room with a terrace and a six-person jacuzzi (source: aquapark.koszalin.pl/o-parku-wodnym/ access date 28/04/2016) The facility also has the largest and most modern gym in the city, "Forma Recreation Center". It is equipped with professional equipment. The establishment of the Koszalin Water Park undoubtedly contributed to the increase in the number of people visiting Koszalin, but also to the activation of the inhabitants. The investment shows that the city is open to the influx of tourists and supports sports and physical activity.