Driving Directions To Lake Nona Realty Office: From I-4 Take Sr-417. Go 8 Miles To Exit 19 (Lake Nona Blvd.) Turn Right On Lake Nona Blvd Toward Medical City. Turn Right Onto Tavistock Lakes Blvd. Turn Left Into Parking Garage. Lake Nona Realty Office Is Located On The First Floor Of 6900 Tavistock Lakes Blvd, Ste 140.