The physical container is not at the coordinates posted. There is no reason at all to go near the posted coordinates.
Solve this Triangle Word puzzle to obtain the final coordinates from Certitude.
Directions
The answer to each clue is a single word of 3, 5, 7, 9 or 11 letters in length. The answers are entered in the numbered positions, one letter for each small triangle. The order of the clues is not the same order as the numbers in the diagram. Enter the eleven letters from the top of the triangle to the far right into Certitude. As a start, the middle letter for 1 is “R”.
Clues
Martha, Abigail, Dolley, Deborah.
Savory cracker (2nd word).
Roof or floor materials.
Makes twice as great.
Underlying supports.
Insulting imitators.
Leaving the ISS.
100 nanojoules.
Onslow, WA.
Mud wasps.

You can validate your puzzle solution with
certitude.