Abstract The Wrecks4All project represents an innovative approach to cultural tourism by utilising extended reality (XR) technologies, specifically virtual reality (VR) and augmented reality (AR), to bring the underwater cultural heritage (UCH) of the Eastern Adriatic region (Croatia, Montenegro and Bosnia and Herzegovina) to a wider audience. This region is renowned for its authentic shipwrecks and underwater sites, which attract both general tourists and the scuba diving community. By developing immersive VR/AR tours and a virtual map of underwater heritage trails, accessible in VR showrooms, Wrecks4All offers an innovative and sustainable tourism experience. These immersive storytelling tools make unreachable sites accessible, enriching visitor engagement and education. This initiative illustrates the transformative potential of XR technologies in cultural and creative industries, offering new ways to preserve and present heritage. Highlighting the economic and educational benefits of digital heritage, the integration of immersive experiences not only enhances cultural tourism but also contributes to the diversification and modernisation of the region’s tourism sector. By examining the methodologies and technologies used in Wrecks4All, this chapter will showcase the significant impact of XR on the cultural and tourism sector, demonstrating how VR and AR can enhance storytelling, preserve heritage and expand the reach and appeal of cultural content while also fostering development of scuba diving tourism. The chapter was created based on publicly available information and the authors’ experience implementing the project.