Strangford Lough Wreck List
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Vessel Type:

German U-Boat Type UCII

Location:Co. Cork
Date of Loss:10th September 1917Place:Roaches Point
Cause of Loss:Sunk by own mineBoat Dive from:Crosshaven or Kinsale
Charted Depth:27mIrish O.S. Map:Discovery Series No. 81 & 87
Height of Wreck:3mAdmiralty Chart No:2092
Hull Material:SteelLatitude (GPS):51° 45 02.59' North
Type of Seabed:Rocks & kelpLongitude (GPS):08° 12 57.14' West
Average Visibility:20mConvert Lat. & Long. to -Decimal - CLICK HERE
Image available?Yes - see belowDiving Experience:Experienced
Diving Information:   
  • Lies 5.5km South East of Roches Point.
  • She is on her port side in a North-West / South-East direction, with bow to the South-East.
  • The outer hull is gone but the port saddle tank remains.
  • The keel aft area is badly damaged due to the depth charges.
  • Remains of conning tower lie on the port side.
  • A 6m x 600mm torpedo tube lies in the sand near the front.
  • There are still the remains of some of her 18 mines are still onboard.
  • Warning!!! This is a protected wreck.
  • A licence to dive the site can be obtained from:
  • Best dived just before High or Low Water.
Historical Information:
  • Built by the A.G. Vulcan shipyard, Hamburg, and went into service on 18 November 1916.
  • Measuring 45m long, 5m wide and 3.7m high she had a a deck gun, seven torpedoes (two tubes at the bow and one at the stern), six mine chutes carried a total of 18 mines.
  • It belonged to the UCII class of German U-boats that could attain a surface speed of 11.7 knots with a range of 9,410 nautical miles.
  • She was manned by 26 or 27 crew members, commanded by Oberleutnant H.A. Muller.
  • Was accidently sunk on 10 September 1917 while laying mines across the mouth of Cork Harbour.
  • The U-boat’s loss went unnoticed until October 31st when a trail of oil floating on the sea surface just south of Roches Point was detected.
  • Depth charges were detonated and divers found the wreck on 2nd November.
  • Thereafter, the wreck was "forgotten about" until she was re-discovered 93 years later by Cork based Sovereign Dive Club.


© by kind permission of web site

Click HERE for INFOMAR* Side-Scan image
Source Publications:
"Irish Wrecks Database"
Roy Stokes & Liam Dowling
"Shipwreck Index of Ireland"
Richard & Bridget Larn
Lloyd's Register - Fairplay Ltd 2002 - ISBN: 1900839970
"Shipwrecks of the Irish Coast 932 - 1997"
Dr. Edward J. Bourke
Edward J. Bourke 1998 - ISBN: 0952302713
"Shipwrecks of the Irish Coast 1105 - 1993"
Dr. Edward J. Bourke
Edward J. Bourke 1994 - ISBN: 0952302705
"The Forgotten U-Boat"

BSAC's "Scuba" Magazine article

Philip Johnston April 2018
Other Sources:
*source - Geological Survey of Ireland
Internet (2020)
Internet (2006)

Strangford Lough Wreck List

Last update - 19-Nov-2020

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