WSS Ben Seyr was a steel-built coastal cargo vessel which was operated out of Ramsey, Isle of Man for the Ramsey Steamship Company; ostensibly to Liverpool, Belfast and Whitehaven. Her name, Ben Seyr, came from the Manx Gaelic term for gentlewoman. She was lost in a storm in either the northern part of the Celtic Sea, or the southern part of the Irish Sea, in October 1938, going down with the loss of all hands.
WMV Ben-my-Chree is a Ro-Pax vessel which was launched and entered service in 1998. The flagship of the Isle of Man Steam Packet Company, it primarily operates on the Douglas to Heysham route.
WHelliar is a ferry owned by Clipper Group and operated by Northlink Ferries. Built by Spanish shipyard Astilleros de Huelva in 1997 as Lehola for Estonian Shipping Co Ltd she has served a number of owners and operators as RR Triumph and Triumph before her sale to Clipper Group and being renamed Clipper Racer. In 2011, she was chartered to Northlink Ferries and renamed Helliar.
WHildasay is a 7,606 GT Ro-Ro ferry which was built by Astilleros de Huelva SA, Huelva, Spain in 1999 as Leili for the Estonian Shipping Company, Tallinn. During a charter to Crowley Maritime she was renamed Port Everglades Express, reverting to Leili when the charter ended. In 2005, she was sold to Greece and renamed RR Shield. In 2008, she was sold to Seatruck Ferries, Heysham and renamed Shield. In January 2010 she was chartered to NorthLink Ferries and renamed Hildasay. In 2019 she was bought by the Scottish government.
WKaren Knutsen is a shuttle tanker built in 1999. It was originally named Knock Whillan flying a Liberian flag. On 15 July 2003 it was renamed Karen Knutsen and reflagged to Isle of Man on 22 December 2003. Its home port is Douglas. It is owned by Knutsen O.A.S. Shipping AS and managed by KNOT Management AS.
WLady Elizabeth is a wrecked iron barque of 1,155 tons built by Robert Thompson Jr. of Southwick, Sunderland and launched on 4 June 1879. Robert Thompson Jr. was one of the sons of Robert Thompson Sr. who owned and operated the family ran shipyard J. L. Thompson & Sons. Thompson Jr. eventually left the family business in 1854 to start his own shipbuilding business in Southwick, Sunderland. The ship was built for John Wilson as a replacement for the 658-ton, 1869-built barque Lady Elizabeth which sank off Rottnest Island, Western Australia in 1878.
WHSC Manannan is a 96-metre (315 ft) wave-piercing high-speed catamaran car ferry built in Tasmania in 1998. After commercial service in Australia and New Zealand, she was chartered to the US military as Joint Venture (HSV-X1). Now owned and operated by the Isle of Man Steam Packet Company, she mainly provides a seasonal service between Douglas and Liverpool.
WTIV MPI Resolution is a Turbine Installation Vessel deployed to install turbines at offshore wind farms. It was the first self-elevating Turbine Installation Vessel in the world. She can raise herself on her six legs between 3 metres (10 ft) and 46 metres (151 ft) above the sea.
WThe MV Oceanic Viking was an armed patrol vessel of the Australian Customs Service. Originally built in 1996 as the offshore supply vessel Viking Lady for Norwegian shipping company Eidesvik Shipping AS, the ship was converted into a cable layer in 2000 and renamed Oceanic Viking. The ship was chartered to the Australian Customs Service through P&O Marine Services from 2004 to 2010. In 2011, it was purchased by A&P Tyne, Isle of Man, and renamed European Supporter.
WMV Peveril was a coastal cargo vessel operated by the Isle of Man Steam Packet Company. Peveril, the third ship in the Company's history to bear the name, was built by Ailsa Shipbuilding Company at Troon, Scotland, in 1964.
WMS Stena Performer is a ro-ro ferry that entered service with Seatruck Ferries April in 2012.
WMS Seatruck Power is a ro-ro ferry that entered service with Seatruck Ferries in February 2012.
WMS Stena Precision is a ro-ro ferry that entered service with Seatruck Ferries in July 2012.
WMS Seatruck Progress was a ro-ro ferry that entered service with Seatruck Ferries in December 2011.
WMV Osakana is an open hatch bulk carrier that was built in 2004 by Oshima Shipbuilding as Star Osakana for Masterbulk.