There are 6 beaches all within a 25 minute drive from the Centre. There is a good cheap bus service running all over Sicily with regular buses to Palermo.
There are also many great sights to explore in the surrounding area of the Centre: Valley of the Temples in Agrigento. Sciacca, a lively ancient town filled with pottery bars & boutiques. The market in Ribera, full of fresh Olives, Sardines, Spices & fake designer goods.