0.5 mi. SW of Harris Peninsula, 35 mi. SW of Seward, Chugach Mts. 5.5 miles long.
HistorySo named in 1909 U. S. Grant, U.S. Geological Survey (USGS), because it was a long high island of granite.
Aialik Bay, Bear Cove, Cataract Cove, Cliff Bay, Crater Bay, Cup Cove, Fire Cove, Harris Bay, Holgate Arm, McMullen Cove, Northwestern Fiord, Northwestern Lagoon, Paradise Cove, Porcupine Cove, Quicksand Cove, Ripple Cove, Sandy Bay, Taz Basin, Three Hole Bay, Tooth Cove,
Capes:Aialik Peninsula, Granite Cape, Harris Peninsula, Harris Point, Holgate Head, Three Hole Point, Toe Point,
Channels:Dora Passage, Granite Passage, Petes Pass,
Hills:Islands:Beehive Island, Dora Island, Granite Island, Harbor Island, Hub Rock, Lone Rock, Matushka Island, Natoa Island, Seal Rocks, Twin Islands, Verdant Island,