If you go to a hotel with a disco or a wedding, the staff wouldn't even notice.
Ask when you make the booking, but most hotel managers don't even look twice.
How dose she feel about sex with you? Is she enthusiastic about it? If she is try some roleplay, do it slowly and see how she responds to various sexual situations.
I did a dance routine on a grand piano, I was the only girl in the troupe small enough to do it comfortably but I had to have rubber glued on the bottom of my heels to help me grip the polished surface of the piano.
I had sex in a dark bird hide overlooking a big lake. My friend was behind me with his erection inside me when some people walked in. I was wearing a full skirt so no one could see our situation, but my friend had to put his hand over my mouth as I started to shake and orgasm! (I am noisy) It...