Can you just rent a lot there or do you have to rent one of their cabins or trailers?

Yes by the day week month season or yearly.

Theres a trlr park right by it. I know someone who lives there. Its is nice. Except for the shell road. Lol

You can rent a lot by the day, week, or month. It is cheaper by the month.

Yes you can rent a spot

You can rent RV spots