Here are some good shipping related links
http://www.shipais.com/index.php
https://www.marinetraffic.com/
David Gallichan - Flickr
Water & Rails flickr
Henry Pattison flickr
Paul Molyneux-Berry flickr
Das Boot flickr
Ron Phelan flickr
Patrick Hill flickr
Nick Thomson flickr
North Cheshire ship photos flickr
Dave Sallary flickr
Terry Eyres flickr
8A Rail flickr
Driff Tiger flickr
David Dixon flickr
Channel Images flickr
Philip Parker flickr
Peter Fitzpatrick flickr
Ships of the Mersey
John Luxton
Jason Cross 15C
Phil Owen blog
Daniel Adamson
Kerne
Manchester ship canal cruises