Hi Tim, I use a Canon 600D and my result on the Lagoon was also blue (ish). I had to artificially introduce red/pink into my final image to generate a more pleasing result. Generally speaking I've noticed my camera tends to produce accurate colours on most objects (but not all). I've tried both raw (CR2-TIF conversion) and debayering and the end colour result is typically the same regardless.
Great photo btw!
Cheers, Evan