Aerial view over Goukou estuarine salt marsh of Still Bay east side at sunrise

still bay goukou aerial estuarine salt marsh east sunrise marine reserve western cape holiday destination tidal wetland estuary stilbaai sand banks garden route intertidal zone coastal habitat fish nursery estuarine river ecosystem seaside town south africa scenic holiday spot clear water tidal flooding mud flats river coastal management environment town river bank tourism wetland seawater vacation spot salt and brackish marshes estuarine marsh drone birdseye travel famous coastal town cape garden route south africa southern coast marine protected area mpa outdoors