(Cache is Not at posted Coordinates!) This Mystery Cache is a bonus cache which goes along with TWO Seperate Adventure Lab Caches: the "Sunshine Crater Festival" and the "1,048 Steps - The Koko Crater Tramway Hike". A keyword is needed in the Certitude checker to get the cache coordinates.
Sunshine Crater Festival Lab Cache
1,048 Steps - The Koko Crater Tramway Hike Lab Cache
The Keyword will appear in one of the the congratulatory journal messages when you complete a particular stage of either or both Adventure Labs. Be sure to look for the Keyword!
Warning: There is NO Cell Phone reception at GZ, please cache accordingly.
Since my youth Kamananui has, and always will, hold a very special place in my heart.

You can validate your puzzle solution with certitude.