The 1970 greeting says:

“Hi Peoples! We are enjoying our stay here Hope the weather has warmed a little we see Min and Walt pretty near every day. Lassilus are leaving to-day. Raining to day, we got to the ocean a lot, but not swimming yet, water too cold. See you, Chubby”

It was known earlier as the Bon Air, I believe. So the internet says. And the internet wouldn't lie about these things.