The cache is not at the given coordinates.
You need to solve the following puzzle in order to find the cache:
VSRCJ NQBNO HBLCQ BNKLA VIXBI
INGBR CJANZ BIJMM BIISJ HHRKB
MCKBK LABBE MQRYL BKLBF LACWB
ZBQLA VIWVH HECLA BHYRC JICHZ
BLABY JDDHB
You can check your answer at:
You are looking for a black Turtle Tub.