Wreck Information around the UK
A.R.G.O.S
Aviation Research Group Orkney & Shetland
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
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
Islay Shipwrecks
The Shipwrecks of Islay
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 Quest
A quest for the photographic history of the worlds ships.
Maritime history research
A guide to maritime history research online
North east dive sites
A guide to diving in the north east of england and south east scotland
Pictures of ships
Pictures of lots of ships in a easy to find website
Protection of Military Remains Act 1986
The Protection of Military Remains Act 1986 (Designation of Vessels and Controlled Sites) Order 2008 No. 950
Rattray head wrecks
As it says wreck around Rattray head (north east Scotland)
Receiver of wreck
Goverment website on recovered material from shipwrecks
Red duster
Usefull ship information
Royal naval reserve
Trawlers lost during WWII
Scotlands places
A good database with plenty info
Shipwreck central
shipwreck information
Ships Graveyard
Photos of shipwrecks
Shipwreck.blogs
Shipwreck blogs by divers
Show me shipwrecks
Shipwrecks And Underwater Archaeology
Shonas Wreck Guide
Shonas wreck information pages
Spanish warships
Spanish warships in the early 19th century
Submariners association
British submarine information
Submarine losses
Submarine losses1904 to present day
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