This article explores the history of onsens in Japan, what a mixed gender onsen is, the debate over mixed gender onsen, cultural considerations for mixed gender onsen, modern practices regarding mixed gender onsen and the pros and cons of mixed gender onsens. Mixed gender onsens have become increasingly popular in recent years as many people believe it allows for greater relaxation and enjoyment of the experience. The debate over whether or not to allow mixed gender onsens has been ongoing for some time now with proponents arguing that allowing men and women to bathe together is more enjoyable than traditional single-gender arrangements and can help alleviate stress levels. Cultural implications must be considered when deciding if these types of facilities should be allowed within certain areas. Ultimately, most places seem willing to accommodate requests from tourists who would like to enjoy this type of experience during their stay.