2 mi. SE of Crater Bay, on SW coast of Harris Peninsula, 33 mi. SW of Seward, Chugach Mts.
So named by the 1928 U.S. Coast and Geodetic Survey (USC&GS) field party because of the "comparative smoothness of water."
Agnes Cove, Aialik Bay, Bear Cove, Cataract Cove, Cliff Bay, Coleman 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,