Probably the most popular beach in all of Malta. Gets very crowded in summer, but has easy water access.
Wikipedia http://en.wikipedia.org/wiki/G%C4%A7ajn_Tuffie%C4%A7a#Golden_Bay
More information on Malta's official tourist website http://www.visitmalta.com/golden-bay
Coordinates 35°56'1.962" N 14°20'39.899" E