St Blaize Lighthouse Mossel Bay is open for tours throughout the year. 10:00am to 3:00pm The use of light beacons or fires to guide ships dates back to 600 BC. Fires were used on Robben Island before Greenpoint Lighthouse was erected in 1824. St Blaize lighthouse was commissioned in l864. Today all lighthouses along the coasts of South Africa are fully automated, except for only two manned lighthouses, of which St Blaize is one, still operating at dangerous spots.