I guess "high-tide line" is assumed to be somewhat constant, and therefore a good demarcator. We need a better way to enforce land boundaries in this day and ag

I guess "high-tide line" is assumed to be somewhat constant, and therefore a good demarcator. We need a better way to enforce land boundaries in this day and age (especially in the bay area, which is prone to earthquakes and faults). But that's a longer story. Yeah, he clearly doesn't want anyone on the beach. But he does offer to sell it for fair price. Just taking it away from him doesn't seem fair to me either if it wasn't enforced when the purchase happened.