Kayakers and swimmers near slipway of scenic Goukou estuary in Still Bay

still bay slipway goukou estuary kayakers swimmers scenic stilbaai travel tourism sand bank picturesque explore clear mpa marine reserve aerial kayaks estuarine river tidal wetland intertidal zone ecosystem holiday destination salt marsh marine protected area coastal habitat wetland estuarine marsh mud flats garden route river western cape environment fish nursery river bank seawater salt and brackish marshes tidal flooding drone birdseye vacation spot holiday spot south africa saltmarsh seaside town cape garden route south africa southern coast overhead