Check it out here: http://www.ozpolitic.com/fish/map-gps-marks-fishing/index.html

The links take you to maps of GPS marks that you can browse on a smartphone. There is also a table/database of the GPS marks. There are about 2000 marks on there at the moment, with more to come.

I have updated the maps with an overlay of commonwealth marine reserves.

example:

http://www.ozpolitic.com/fish/map-gps-marks-fishing/Jervis-Bay-S-New-South-Wales-map-gps-marks-fishing-buttons.html

List of maps:

http://www.ozpolitic.com/fish/map-gps-marks-fishing/index.html

I have added an option to show your current location, so it can be used like a vehicle navigator (or fishfinder).

http://www.ozpolitic.com/fish/map-gps-marks-fishing/index.html

What fisherman in his right mind would give anyone their gps spots?

Not sure why. I think they are only the fairly well known spots. Or they may have been bequeathed. Or they may have been provided by tackle shops etc. I am also suspicious that some have been deliberately modified and you have to give a few of your own spots before they tell you how to figure out the real coordinates - ie it is effectively a trade. They might also come straight out of a book (I know at least some of them do). Those fishing forums are strange places, a bit like a cult.