We sell Castle Lager on our online liquor store. Buy Beer online in South Africa, and receive your alcohol delivery free. Castle Lager is a 100% homegrown beer, loved by generations of South Africans. Its history goes back to the 1860s when brewer Charles Glass followed hopeful prospectors to Johannesburg. Instead of mining for gold, he produced a national treasure: a beer that struck a perfect balance between dry and bitter. The spirit of friendship that Castle Lager was built on is still going strong. Its a proudly South African brand thats all about bringing people together.