An important tourist attraction and a new landmark of Sandomierz is the Boulevard of Józef Piłsudski over the Vistula river, which has recently been thoroughly revitalized. On the Boulevard, there are: a modern marina for water sports equipment, which is built with modular floating platforms moored to the shore, information and recreational Water Sports Building with a terrace, fully equipped playground and an open-air stage - a facility for cultural events. Along the bank of the river, a beautiful promenade has been built. It will surely become a favourite footway for the residents of Sandomierz and the tourists visiting the town.

The route is approximately 470 metres long – the deepest located chamber is at 12 m. Presently, the names of 34 chambers open to the public refer to the historic and legendary past of the city.