The cache is NOT at the posted coordinates! Park there!
Smitty, the "S" in MMSM, is now in Grade 4, and still learning about computers. He has made another webpage to tell you where the cache is. This one should be easier (but more fun!) than the other puzzles in this series.
Here is Smitty's webpage.
Lrf, gung vf npghnyyl n cvpgher bs gur pnpur ybpngvba.