connecting Felice Strait and Revillagigedo Channel, between Cat and Duke Is., Alex. Arch.
Named in 1917 by U.S. Coast and Geodetic Survey (USC&GS).
Ajax Reef, Bostwick Reef, Hog Rocks, Julius Reef, Tamgas Reef, Wallace Reef,
Bays:Camp Cove, Cascade Inlet, Coho Cove, Crab Bay, Customhouse Cove, Dog Bay, Hall Cove, Hassler Harbor, Judd Harbor, Kelp Island Anchorage, Kwain Bay, Lucky Cove, Mary I Anchorage, Morse Cove, Niquette Harbor, Pond Bay, Ray Anchorage, Reef Harbor, Ryus Bay, Sykes Cove,
Capes:Point Arucenas, Point Alava, Annette Point, Cape Northumberland, Cape Northumberland, Duke Point, Edge Point, Flag Point, Form Point, Giant Point, Grave Point, Harbor Point, Middy Point, Point Sykes, Point Winslow,
Channels:Cat Passage, Danger Passage, Felice Strait, Revillagigedo Channel,
Dams:Hills:Islands:Annette Island, Bird Island, Black Island, Black Rock, Cat Island, Danger Island, Dog Island, Double Islands, Drug Island, Duck Islands, Duke Island, East Island, Emmet Island, Fish Islands, Fripo Island, Goose Tongue Island, Ham Island, Helen Island, Indian Rock, Kelp Island, Lane Island, Lewis Island, Little Rock, Mary Island, Pow Island, Roy Island, Ruth Island, Sister Islands, Slate Islands, Snail Rock, Snipe Island, Twin Islands, Vancouver Island, Vegas Island, Vegas Islands, Village Island, Walker Island, Whale Rock, White Rock, Yellow Rocks,
Lakes:Cascade Lakes, Crater Lake, Hassler Lake, Hussler Lake, Kwain Lake, Orchard Lake, Purple Lake,
Mountains:Between Mountain, Blunt Mountain, Davison Mountain, Dubuque Mountain, Mount Lazaro, Middle Mountain, Narrows Mountain, Spine Mountain, Tamgas Mountain, Tired Mountain,
Ridges:Streams: