The Schnellboot known to the allies as E-boats were mainly
used in coastal waters, There were several classes S-26 class,
S-30 class, S-38 class, S-38b class, S-100 class, S-151 class,
Type 700. They took over the role of the torpedoboats after
those ships were used as destroyers. Operating in coastal
waters they had a due purpose, laying mines and they were
a extremely effective against the allied ships destroying
over 40 warships, and over 100 merchants, but for all that
success they suffered heavy losses.
German warships of the Second World War.
Schnellboot in Action (Warships)
German S-boote at War, 1939-1945
German E-boats 1939-45 (New Vanguard)
For a complete list of sources