WHBH - "Want hotel, book hotel". These outfits don't market themselves as hotels, they aren't hotels and contrary to the OP's statement, there is a "formal contract". It is the terms and conditions to which he agreed. If they disfavor him, that was his choice to sign on.
OP just needs to be careful about reporting the partial refund lest the property manager turn this around on OP with an allegation of fraud.