Brighton

Dieppe
France is around 5 hours away from by Ferry from Newhaven Harbour, services are 3 daily and cost from £15 return for foot passengers. The service is operated by Transmanche Ferries (http://www.transmanchefer...)
Rottingdean.
Just east of Brighton, with memories of Kipling, Burne-Jones and several other artists.
London
is just an hour away via train or 2 hours via coach.

The gorgeous medieval town Lewes has a castle and is just 20 minutes away by train.

Worthing
There is no reason you wouldn't want to visit this lovely town. Short journey via train from Brighton Station.
Glyndebourne Opera House
(http://www.glyndebourne.com/). Eleven miles from Brighton, one of the most famous opera houses in the world, set in beautiful grounds where opera goers eat gourmet picnics at interval which can be brought in or ordered from their own catering service.