It's easy to learn to sail in Thamesmead.
Thamesmead YMCA runs Royal Yachting Association sailing courses.
T. 020 8302 5783 (George)
Harrow Manor Way | Southmere Lake | SE2
Southmere Boating Centre
On Tuesday and Thursday evenings (5:30-8:30pm) throughout term time and through September young people (aged 10-17) can turn up and join in sailing and kayaking sessions.
There's no need to book but you will need to take along a complete change of clothing including footwear and a towel.
T. 020 8310 2452 (Giles)