RV Campgrounds - Site for Sale!

Isn't this just timeshares but without a building (at least to a degree)?

Excerpt from the article :
Many RV enthusiasts also like the upscale nature of RV parks and resorts that sell their sites as well as the convenience of owning their own site. “The advantage of owning our own site is we can come and go as we please,” said Emile LaChance, an Ontario, Canada, resident who recently purchased a site at Silver Palms RV Village in Okeechobee, Fla. “If you’re renting a site,” he added, “you’ve got to be on a schedule.”