Thanks to murph2222 for this spectacular video of La Jolla Shores Lane!
The big white house is owned by Sheila Potiker. Her late-husband, Hughes Potiker (who died last year at the age of 80), founded Entertainment Publications, the coupon-book publisher.
One of those older houses to the south, probably the one with the above-ground rail going down to the beach house, has an subterranean elevator too – I’ve seen it!
Here’s his second video too, from the ultimate real estate paparazzi: