NOT at Published Coordinates!
If you have completed the Sydney Harbour Islands Kayak Tour Adventure Lab series, then you will have all the information you need to find this Bonus cache. I hope you enjoyed paddling around Sydney Habour discovering these Islands.
You need to enter the KEYWORD into the first checker to obtain the puzzle instructions.
You can validate your puzzle solution with certitude.
The coordinates produced by solving this easy puzzle go into the second checker to confirm GZ.
Bon Voyage!