57 Heerengracht StCape Town, South Africa 8001 Phone: +27 21-205-6699 Hotel E-mailHotel Website Classification 7 Superior First Class Commission Rooms Rates - 102 - Hoteliers! Is your information accurate? Update Here The Onyx Apartment Hotel Location & Neighborhood opposite the Cape Town International Convention Centre - 20 KM, 16 min from Cape Town Intl airport.Hotel Location: Convention Center