Lulxágu is a beach located in Hoonah-Angoon County, Alaska. It appears on the Juneau A-4 NW USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 41.60 feet (12.68 m) above sea level. The nearest populated place is Kunax̱sa.aan (historical), approximately 10.0 miles to the WSW.