First and foremost welcome to iRV2. We hope to continue to hear from you.
I don't have any suggestions, but I did link your query to the NEED CAMPGROUND INFORMATION forum too. hopefully you will get more responses.
John, Joyce and Zoie (our 17# Guard Dog)
2018 Ford F-450 KR / 2019 Mobile Suites 40KSSB4
Fulltiming since 2008 and loving it