annual pass and file into the day use parking lots. Some choose the large lot by the entrance. Others choose the lot right on the beach. Some have claimed "their spot." They spend all day and then, just before the gate closes, they leave for whatever overnighting spots they've managed to find. That's no simple trick in wealthy coastal communities. They must commute to less hoity-toity cities. Here's an article about this.
The main difference between these people and me is that they're committed to this area and I'm just passing through. They live here. I visit. So while they're considered homeless and a problem by small-minded building dwellers, I can pass as a tourist. Oh, and I pay for the campground so I can stay at night. But if I had a sure-thing, no-harassment, stealth camping spot somewhere, I would absolutely do this.