At my school's computer lab. It was just a quick one though fun anyway.
The beach I was 19, it was uncomfortable and painful bc the sand kept getting in places it shouldn't have and it hurt like hell
An unfinished electricians access closet during a grand opening party (you could see the other guests through holes in the wall)
A chapel's restroom - at a funeral.
Lucy and I, both 16 years old, had sex with 2 guys in an overhead tram, sight seeing the Swiss Alps...smiles...
Just the 4 of us there and we only had 12 minutes to the top, so we sucked and fucked them both quickly...giggles
In a friends bed while her husband was passed out drunk next to us.