Sounds like a good idea for a couples get away or anniversary.
Spice things up while enjoying each others company. Definitely feels more like a break from the norm.
Could always get 2 rooms for a weekend and roleplay that you are both single and meet up in the hotel, some harmless flirting, reconnect, stretch the truth a little regarding jobs (make out that you are an astronaut or something you have dreamed of being).
I’d go to the bar & bump into my OH leaving with another guy knowing my luck 
We’ve tried this a couple of times and it was a lot more fun and exciting than I thought. Slightly surprised the wife was up for it. Even more so when she left the house first, arriving 10 mins before me. When I got there I deliberately hid and watched her get approached a couple of times. That in itself was exciting seeing here feel part uncomfortable and part excited - it definitely got her in the mood