For men or women:
- The seaside (where you’ll soon discover why sandpaper used to be made with beach sand)
- Lena Dunham’s bedroom
- Any public restroom
- On an active movie set or at a frat house party (pretty much the same thing, nowadays)
- Harvey Weinstein’s hotel room
Your suggestions in Comments. Extra points if it’s a place where you actually had sex for the first time.