Steel Navy
This used to be a very good modelling site on all things
ships, unfortunately it would appear the site no longer
exists, only this members forum. Though I haven't explored
it myself, I'm sure it's still a very useful resource.
uboat.net
The name pretty much says it all. If you like your ships
German & sinkable, then I'm guessing this is the place
to be.
Navyphotos.co.uk
A collection of Royal Naval warship photographs from the
mid-1800s to the 21st century. Some good pics of Canadian
ships on there as well.