Knight Island is an island in western Prince William Sound

Prince William Sound

Prince William Sound is a sound off the Gulf of Alaska on the south coast of the U.S. state of Alaska. It is located on the east side of the Kenai Peninsula. Its largest port is Valdez, at the southern terminus of the Trans-Alaska Pipeline System...

 of the Gulf of Alaska

Gulf of Alaska

The Gulf of Alaska is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the east, where Glacier Bay and the Inside Passage are found.The entire shoreline of the Gulf is...

 in the state of Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

, USA.

The island has a land area of 277.166 km² (107.014 sq mi) and no resident population as of 2000. The majority of the island is a part of Chugach National Forest

Chugach National Forest

-External links:*****...

; Alaska native corporations Chugach Alaska Corporation

Chugach Alaska Corporation

Chugach Alaska Corporation, or CAC, is one of thirteen Alaska Native Regional Corporations created under the Alaska Native Claims Settlement Act of 1971 in settlement of aboriginal land claims. Chugach Alaska Corporation was incorporated in Alaska on June 23, 1972...

 and Chenega Corporation are the two other major landowners.

Shorelines on the eastern and northwestern part of the island were heavily covered in oil after the Exxon Valdez oil spill

Exxon Valdez oil spill

The Exxon Valdez oil spill occurred in Prince William Sound, Alaska, on March 24, 1989, when the Exxon Valdez, an oil tanker bound for Long Beach, California, struck Prince William Sound's Bligh Reef and spilled of crude oil. It is considered to be one of the most devastating human-caused...

, northeast of the island, in 1989.