Check with the park host to make sure that they are distributing a Clear QAM cable feed. If they are and you are sure that your TVs do not have a QAM tuner, you can purchase a converter box for less than $35. Here's a couple boxes available from Amazon:
https://www.amazon.com/IVIEW-3200STB-Multimedia-Converter-Recording-function/dp/B00RDQGBIE/ref=sr_1_1?ie=UTF8&qid=1490470363&sr=8-1&keywords=iviewhttps://www.amazon.com/Edal-Receiver-Converter-Recording-Composite/dp/B01LYL35SP/ref=sr_1_13?s=electronics&ie=UTF8&qid=1490470703&sr=1-13&keywords=digital+converter+boxThese boxes have a Clear QAM tuner and have High Def HDMI output. With the addition of an external portable USB hard drive, they can function as a DVR.