The double-decker buses run by City Sightseeing South Africa offer four main tour options: the 11-stop Red City Tour, the 14-stop Blue Mini Peninsula Tour, the 7-stop Yellow Downtown Tour and the Cape Town Purple Wine Tour with stops at three Constantia Valley wine estates. The hop-on hop-off service includes commentary in 15 languages. More specialized tours include a 25-minute harbor cruise around the V&A Waterfront, a sunset bus to Signal Hill, a mini-bus tour of two main townships and a walking tour of Imizamo Yethu Township. A free 90-minute walking tour of downtown in English begins at Stop 5, the company's Long Street tour office.