Wreck Informarion
Wreck Information around the UK
Finstrokes wrecks
How do you visit a protected wreck
Finstrokes protected wrecks
A list of protected wrecks in the UK
Aberdeen built ships
Information about any of the nearly 3,000 recorded ships built in Aberdeen since 1811
Admiralty
United Kingdom Hydrographic Office website.
Battleships & cruisers
Lots of wreck information
Blueprints
Blueprints of ships and submarines
Canmore database
A very good Scottish shipwreck database
Clydebuilt
A database of over 20,000 ships, spanning over 200 years
Convoy
A database of mercantile vessels that sailed in the OS and OS/KMS convoy series
Dictionary of disasters
Dictionary of disasters at sea during the age of steam
Float
Archive of trawlers
Great British Shipwrecks
The British coastline has lured countless unfortunate vessels and mariners to their doom. 
Irish Shipwrecks
A divers guide to shipwrecks around Ireland
Isle of white wrecks
Shipwreck around the Isle of white
JULIE-ANNE MARINE SALVAGE
Diving and shipwrecks lost off the coast of Anglesey.
Lost Liners
Information on sunken liners
Miramar Ship Index
A database listing both merchant and naval ships
Mariners
British merchant ship losses in world war one
Maritime history research
A guide to maritime history research online
Pictures of ships
Pictures of lots of ships in a easy to find website
Red duster
Usefull ship information
Royal naval reserve
Trawlers lost during WWII
Shipwreck central
shipwreck information
Ships Graveyard
Photos of shipwrecks
Shipwreck Disasters
Shipwrecks and Maritime Disasters: How to Research Them
Shipwreck.blogs
Shipwreck blogs by divers
Shipwrecks Magazine
Diving into history a printed magazine issued quarterly 
Show me shipwrecks
Shipwrecks And Underwater Archaeology
Shonas Wreck Guide
Shonas wreck information pages
Submariners association
British submarine information
Sussexshipwrecks
Sussex shipwreck website
Teeships
Covering the North-East coast ports of England -and elswhere
The Bismark
The battleship "Bismarck"
The ships list
Info on where ships sank and were scraped.
The wreck site
The wreck site is a wreck database made by divers and fishermen
The Uboat site
The ultimate U-boat information site
UK shipwrecks
Shipwrecks around the coast of the UK
Plimsoll ship Data
Pages from Lloyd's Register of Ships from 1930 to 1945
U-boat fates
U-boat info on the HMS India association website
White star line
Pictures of the white star liners
 
Wreck Information in the Red sea
Red sea shipwrecks
A few of the popular red sea wrecks
 
Wreck Information in the Med
Roman Shipwrecks
The Roman Shipwrecks Project
Napoleon's Lost Fleet
Alexandria, Egypt: Discovery of Napoleon's Lost Fleet
 
Wreck Information around North America
MMS Shipwreck Database
The MMS Shipwreck Database provides the most comprehensive compilation of Alaska shipwrecks to date
Shipwrecks
Charleston shipwreck and heritage
   
Wreck Information worldwide
Shipwrecks in Talland Bay
website with shipwrecks in Talland Bay
Shipwrecks
A few valuable shipwrecks