This cache is not at the posted coordinates!
This is the bonus cache for "Things to do in Solana Beach" Adventure Lab. To get credit for this cache (and to get the coordinates) you must complete the AL. In Certitude, type the numbers you get in the AL Journal in the order, #1, #2, etc.
The link to the Adventure Lab is: https://adventurelab.page.link/xuns
You can validate your puzzle solution with certitude.