SS Castilian was carrying a cargo of munitions to Lisbon

Lisbon

Lisbon is the capital city and largest city of Portugal with a population of 545,245 within its administrative limits on a land area of . The urban area of Lisbon extends beyond the administrative city limits with a population of 3 million on an area of , making it the 9th most populous urban...

 when she struck East Platters Rocks, near The Skerries, Anglesey

The Skerries, Anglesey

The Skerries are a group of sparsely-vegetated rocky islets, with a total area of about , lying 3 km offshore from Carmel Head at the northwest corner of Anglesey, Wales...

, Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 and on 12 February 1943 sank.

In 1987 a Royal Navy clearance vessel spent several months removing unexploded ordnance from Fydlyn Bay nearby believed to have come from the wreck. In 1997 the location of the wreck on East Platters Rocks was designated under section 2 of the Protection of Wrecks Act 1973

Protection of Wrecks Act 1973

The Protection of Wrecks Act 1973 is an Act of the Parliament of the United Kingdom which provides protection for designated shipwrecks. Section 1 of the act provides for wrecks to be designated because of historical, archaeological or artistic value. Section 2 provides for designation of...

 with a 500 m exclusion zone regarding scuba diving

Scuba diving

Scuba diving is a form of underwater diving in which a diver uses a scuba set to breathe underwater....

 activities because of its potentially dangerous cargo.

Other boats with the same name

There were two other Ellerman Lines ships called SS Castilian. The first, ex-Umbilo, was purchased in 1909 from Bullard, King & Co renamed Castilian, 1917 torpedoed and sunk by U-61 off Ireland. The third built 1955, 1963 renamed City of Peterborough, 1964 reverted to Castilian (1966-7 chartered to Cunard

Cunard Line

Cunard Line is a British-American owned shipping company based at Carnival House in Southampton, England and operated by Carnival UK. It has been a leading operator of passenger ships on the North Atlantic for over a century...

, temporarily renamed Arabia), 1971 sold to Maldives

Maldives

The Maldives , , officially Republic of Maldives , also referred to as the Maldive Islands, is an island nation in the Indian Ocean formed by a double chain of twenty-six atolls oriented north-south off India's Lakshadweep islands, between Minicoy Island and...

 renamed Maldive Freedom. An even earlier Castilian was wrecked on Porthmadog

Porthmadog

Porthmadog , known locally as "Port", and historically rendered into English as Portmadoc, is a small coastal town and community in the Eifionydd area of Gwynedd, in Wales. Prior to the Local Government Act 1972 it was in the administrative county of Caernarfonshire. The town lies east of...

Bar in 1868.