Islands of the Potomac WMA protects 824 acres (3.33 km2) of wildlife habitat in Allegany (80 acres [0.32 km2]), Washington (6 acres [0.024 km2]), Frederick (223 acres [0.90 km2]) and Montgomery (515 acres [2.08 km2]) counties.[1] The islands are accessible only by boat. Within the WMA is established the Islands of the Potomac Wildland (see Maryland Wildland), consisting of about 82% (676 acres [2.74 km2]) of the total area.
Of the 30 islands, three in Montgomery County are open to public hunting: Oxley Island, Mason Island and Maddox Island.[2]