Does anyone know of a utility that I can use to extract the full image (as a jpg, png or tiff) of
this map?

Something like this extension to Google Chrome looks like what I want

And before anyone asks about copyright infringement, I've already bought a paper copy!

I just see 9 small map tiles…
here

If you're bored you can download each tile
http://www.sunshinecoast.ca/scca/html/zoommaps/map_parent13084_001.png

http://www.sunshinecoast.ca/scca/html/zoommaps/map_parent13084_002.png

etc. and stitch 'em together

And before anyone asks about copyright infringement, I've already bought a paper copy!

Doesn't entitle you to the online copy though.

print screen? or is that just a mac thing?

Doesn't entitle you to the online copy though.

if it's on the web it's anybody's

Cheers Simon – though not quite what I was hoping for…

Anyone else have any ideas? (And no, I don't want to stitch loads of small images together!)

loads ? There are only 9 of them 🙂

Yes, but those 9 don't form the entire map!