There are so many web sites for ship enthusiasts to visit that it is impossible to list them all. Below are some that I visit regularly and have found useful and interesting.
www.shipsnostalgia.com A site for all ship enthusiasts with 1000's of photographs.
www.equasis.org A European Union site with ship registration details.
www.southamptonvts.co.uk An Associated British Ports site providing details of Southampton's cargo and cruise ship movements.
www.shipsmonthly.com A popular magazine for all shipping enthusiasts.
www.pbase.com/shipsinthespotlight For those who love the sea and ships.