Escapees

I am a member but haven't stayed at one of their parks so far. But right now the coop parks, which are owned and run by the members who own a site, are mostly restricting access because of the plague. That may lighten up as the summer goes on. Each one of those parks are different so you'd have to check the park you are interested in. Some are allowing outsiders to stay but they cannot use any of the facilities. The other parks, so far as I know are open.

From what I've seen from other members they are not hard to get into. Escapees is well worth joing so I suggest that you check their website out as suggested by Rob.