Using Gps - Enter "1000 Carnoustie" To Get To Guard Gate. (If You Use The House Address, Gps Will Take You To Second Gate Where Only Homeowners Can Get In) Ga400 North, Exit 11. Go Right On Windward Pkwy, Or If Ga400 South, Exit 11 And Go Left On Windward Pkwy. Go Right On Clubhouse Rd. Go Right Into Northshore Guard Gate. Show Id And Business Card To Guard. Go Left On Portmarnock. Go Right On Blackheath Trace. Home On Left In Cul-De-Sac.