There are a choice of sailing venues on the Thames.

Thames Young Mariners offers sailing courses as well as Kayaking for all age groups.

On Water - Kayaking & Sailing
Contact Details: Thames Young Mariners OEC
Ham Fields, Richmond, Greater London, TW10 7RX
Tel: 020 940 5550

Twickenham Yacht club also welcomes new members and are able to offer sailing for all, whatever your level of experience.

http://www.twickenhamyc.co.uk/