In the Chicago area there are two: Aura and Sybaris. It's by the evening and not the hour, but Sybaris has been operating here since the 1970s:
https://www.sybaris.com/suites/paradise-swimming-pool-suite/
You also have the honeymoon-based hotels in the Poconos as another example.
https://www.racked.com/2015/6/5/8734965/my-girlfriend-and-i-...