The walks along the cliffs around Beachy Head are suitable for people of all ages as the ground is gently sloping with no steep bits. Birling Gap and the Seven Sisters is very interesting as you can see how the coastline has evolved over the years. You can walk as far as you can see if you are feeling energetic.
Go to plays at the Devonshire Park Theatre; at the Under Ground Theatre below the library (which also has talks and musical events); and (once a year) in the open air in the Italian Gardens. Visit Towner, the art gallery.