Below is a list of usful websites in different catagories:

Shipping Sites:
http://www.ics.org.uk - The Institute of Chartered Shipbrokers
http://www.shipguide.com - a guide to all shipping routes and times
http://directory.fairplay.co.uk - The Lloyds World Shipping Directory

Search Engines:
http://www.google.co.uk - Universal search engine
http://www.yahoo.com - Universal search engine

Maps:
http://www.multimap.com - Allows searchs for both UK & Europe
http://maps.google.co.uk/maps?hl=en&tab=wl - Google Maps

Contacts:
http://www.ukphonebook.co.uk - Business & Public telephone numbers
http://www.yell.com - Yellow Pages for all business needs