Gay sauna in Grenoble. Formerly known as Oxygène, Sun7 includes a sauna, hammam, bar, and showers. Monday to Thursdays are exclusively gay, whilst the weekend is open to mixed couples/trios. This venue will surprise you with its special evening events. Visit the website to see what they have in store for you when you are travelling. This scandelous sauna is the perfect place to have an exciting but relaxing day/night.