The Stone Bridge of Insenborn is a freshwater dive site located in the Lake of Haute-Sûre. This submerged bridge serves as both a wreck and an artificial reef, offering a unique architectural feature for intermediate divers. The site reaches depths between 20 and 30 metres, requiring precise buoyancy control. Divers access the structure via a shore entry. Visibility is variable, typically ranging from 2 to 5 metres, making the use of a primary and backup torch essential for navigation. There is no current at this location, though divers should remain vigilant for boat traffic when surfacing.

Lultzhausen is a freshwater reservoir site in northern Luxembourg featuring a combination of artificial reef structures, natural reef sections, and at least one wreck. Divers can explore depths ranging from the shallows down to 28 metres. The site is accessible from the shore and is suitable for intermediate divers. Visibility typically fluctuates between 2 and 8 metres, requiring careful navigation around the underwater structures. Due to the presence of restricted swimming spaces, divers should maintain buoyancy control to avoid entanglement. The site supports night diving and offers on-site facilities including parking, changing rooms, showers, and air fills.