Serenity Road is just made for some references to 90's pop culture. Turn off the Flinders Highway onto Serenity Road with caution, it is safer when travelling east, but both sides of the highway have turning lanes. The cache is not at the listed coordinates.
To reveal the final coordinates put the answer to the question below as one word in the checker. The question comes from an Australian movie released in 1997.
Where do the Kerrigans go on holiday to catch carp?
You can validate your puzzle solution with certitude.
The cache was placed above head height and contained a log and CITO trackable (FTF - probably not for the pool room). Plenty of table drain to park near on this gravel road so you won't need to shuffle the cars around.
'tell em their dreamin'