A list of cycling websites, cycle routes and Events. 

1 - http://www3.hants.gov.uk/cycling

Cycling in Hampshire - This is HantsWeb's index of Hampshire cycle routes, on and off road.

2 - http://www.bikely.com/listpaths/srchkey/southampton%2C+uk

Bikely - Find bike trails at Bikely.com - Convenient search engine, and routes are classified a on-road, low traffic, etc. Add one, or search for one to try out! 

3 - http://www.sustrans.org.uk/sustrans-near-you/south-east/hampshire-and-the-isle-of-wight

Sustrans Get cycling - Sustrans is the co-ordinator of the hugely popular National Cycle Network. On this page you can find links to downloadable maps, or an online interactive map.

4 - http://www.redfunnel.co.uk/

Red Funnel Isle of wight Ferry - Red Funnel provide the ferry services to the Isle of Wight. Their cycle policy is in their FAQ: covered folding bikes on the passenger ferry, cycles travel free on the vehicle ferry. Cycle racks are available at the ferry terminals.

5 - http://www.visitportsmouth.co.uk/site/getting-here-and-getting-around/by-bike

The city is very flat and compact, with few steep hills to climb, so you are never far from your destination. Many journeys that you may usually make by car are ideal for cycling thanks to the network of cycle routes that Portsmouth has to offer.