Of all the places you might meet a significant other, underwater is probably the last place that springs to mind. Hence, I guess, the novelty of an underwater nightclub. Created as a viral campaign for TechnoMarine Underwater watches, the unique nightclub "launch" was filmed at a military training facility with navy divers and the set was built 14 feet (4 m) underwater. The breathing helmets are from the commercially-available Sea Trek system, so perhaps it's not all that implausible after all.
Read the full article: The world's first underwater nightclub