let locations = [ [ "title" : "Phase 11, Mohali" , "latitude" : 30.680177 , "longitude" : 76.745705 ], [ "title" : "Phase 6, Mohali" , "latitude" : 30.735547 , "longitude" : 76.712071 ], [ "title" : "Phase 106, Mohali" , "latitude" : 30.728100 , "longitude" : 76.717665 ] ] for location in locations { let marker = GMSMarker() marker.position = CLLocationCoordinate2D(latitude: location[ "latitude" ] as ! Double, longitude: location[ "longitude" ] as ! Double ) ...