There's a hot spring under the ocean off the coast of Steep Ravine in Stinson Beach. It emerges for like 6h at a time - twice a month - for low tide.
People who were young and adventurous before there was an internet have been going for decades. They intentionally leave bad reviews on places like Maps and Yelp to try to dissuade new people from crowding it.
Actually if I must be literal it’s a pretty big part of the culture out there. The playa is rife is with inside jokes that lately revolve around people telling you to have a terrible time, or saying there’s absolutely nothing at some place with a wink. Discovery and resilience is the point.
And sure, there’s a bit of old guard/new guard here, where the new guard is a bit softer about it. Personally, it was never my favorite aspect, but dismissing it says more about you than me.