The Peninsular and Oriental Steam Navigation Company (P&O) is a major international logistics and transport company founded in 1837. P&O Ferries is the new brand name for services previously known as - P&O Stena Line (routes from Dover); P&O Portsmouth (routes from Portsmouth); and P&O North Sea ferries (routes from Hull).
http://www.poportsmouth.com

Red Funnel Isle of Wight Ferries - The Isle of Wight Travel Specialist. Red Funnel has the newest cross-Solent fleet and operates the largest vehicle ferries serving the Isle of Wight. We sail around the clock, 364 days a year between Southampton, the gateway to the Island and East and West Cowes, the undisputed home of world yachting. Superb offers, Isle of Wight day trips, ferry timetables, online booking.
http://www.redfunnel.co.uk

High speed car ferries to France and Belgium. Online bookings, short breaks and holidays.
http://www.hoverspeed.com

SpeedFerries offers you the fastest ferry crossing and a more direct link between Britain and France(Dover - Boulogne) from just £25 for a one way ticket for a standard car including 5 passengers.
http://www.speedferries.com

Irish Ferries is Ireland's largest ferry company operating between Ireland and Britain. It prides itself on having the most modern fleet on the Irish Sea. View this site for timetables, fares, online booking and holidays for ferry services. between the UK and Ireland.
http://www.irishferries.ie