The July mystery photo was of the Hauraki Gulf in New Zealand.
The 10 winners of a Navigation Companion booklet were:

Gareth Astley, Oxon
Ian Fox, Dorset
John Thurston, Bristol
DM MacLeod, Aberdeen
Terry Grove, Solihull
Alan Wood, Surrey
Simon Martin, Ireland
H Reynolds, Towcester
Lee Harwood, London
WR & AK Melville, Auckland, New Zealand