These communities include (on the southern shore of Humber Arm, the southernmost bay) Mt Moriah, Humber Arm South, Lark Harbour, and York Harbour, (on the northern shore of Humber Arm) Hughes Brook, Irishtown-Summerside, Meadows, Gillams, McIvers, and (on Middle Arm, north of Humber Arm) Cox's Cove.