Located on the N shore of Salisbury Sound, off Chichagof Island, 42 km (26 mi) NW of Sitka, Alexander Archipelago.
Name derived from Krugloi Island, the former name of Round Island. The name was published by Baker (1906, p. 383).
Brad Rock, Channel Rocks, Columbine Rock, Dolph Rock, E Francis Rock, Ford Rock, Fortuna Reefs, Hoggatt Reefs, Kakul Rock, Midway Rock, Morskoi Rock, Nixon Shoal, Sea Rock, Vincent Reef, Wayanda Ledge, Wyvill Reef,
Bays:Port Krestof, Port Mary, Baby Bear Bay, Bear Bay, Bradshaw Cove, Cuvacan Cove, Deep Bay, DeGroff Bay, Fish Bay, Flat Cove, Gilmer Bay, Gilmer Cove, Goleta Cove, Goose Cove, Haley Anchorage, Hidden Cove, Island Cove, Kalinin Bay, Krestof Sound, Krestof Sound, Launch Cove, Liesnoi Shoal, Louise Cove, Mud Bay, Poison Cove, Promisla Bay, Saint John Baptist Bay, Salisbury Sound, Salmonberry Cove, Schulze Cove, Sea Lion Bay, Sinitsin Cove, Sukoi Inlet, Sukoi Inlet, Sukon Strait, Suloia Bay, Ushk Bay, Waterfall Cove, Whitestone Cove,
Capes:Point Marie, Point Mary, Point Sinbad, Point Siroi, Point Amelia, Point Brown, Point Kakul, Point Kruzof, Point Leo, Arthur Point, Cape Georgiana, Escape Cape, Fish Point, Fortuna Point, Haley Point, Halleck Point, Hayward Point, Island Point, Kalinin Point, Khaz Peninsula, Klokachef Point, Middle Point, Mountain Head, Near Point, Neva Point, Olga Point, Partof Point, Pinta Head, Pogibshi Point, Range Point, Rapids Point, Rob Point, Schulze Head, Scraggy Point, Sergius Point, Shoal Point, Struya Point, Sukoi Point, Suloia Point, Twin Point, Ushk Point, Point Vincent, Whitestone Point, Yellow Point, Zeal Point,
Channels:Adams Channel, Canoe Pass, East Channel Hayward Strait, Fortuna Strait, Kakul Narrows, Neva Strait, Rose Channel, Sergins Narrows, Sergius Channel, West Channel Hayward Strait, Whitestone Narrows,
Islands:Arthur Island, Arthur Island, Bare Island, Bear Bay Island, Big Island, Big Rose Island, Brady Island, Double Island, Eagle Rock, East Francis Rock, Entrance Island, Goloi Islands, Grasstop Rock, Haley Rocks, Highwater Island, Hoggatt Island, Kane Islands, Klokachef Island, Krestof Island, Krugloi Islands, Kruzof Island, Liesnoi Island, Little Island, Little Rapids Island, Little Rose Island, Mills Island, Nadezhda Islands, Partofshikof Island, Piper Island, Povorotni Island, Prolewy Rock, Rapids Island, Round Island, Scraggy Islands, Sealion Island, Sealion Islands, Sinitsin Island, Slaughter Island, Sound Islands, Suloia Islet, Suloia Rock, W Francis Rock, West Francis Rock, Whitestone Rock,
Lakes:Lake Leo, Lake Suloia, Lake Surprise, Waterfall Lake,
Mountains:Parks:Big Bear - Baby Bear State Marine Park, Magoun Islands State Marine Park,
Mountain Passes:Rapids:Streams:Routes: