Portage Island is an island in the western part of Bellingham Bay

Bellingham Bay

Bellingham Bay is a bay located on the northern Pacific coast of Washington state in the United States. It is separated from the Strait of Georgia on the west by the Lummi Peninsula, Portage Island, and Lummi Island. It is bordered on the east by Bellingham, Washington, to the south-east by the...

 in Whatcom County, Washington

Whatcom County, Washington

Whatcom County is a county located in the U.S. state of Washington. Its name ultimately derives from the Lummi word Xwotʼqom, meaning "noisy water." As of 2010, the population was 201,140. The county seat is at Bellingham, which is also the county's largest city...

, USA. It is separated from the Lummi Peninsula by Portage Bay and from the central part of Lummi Island

Lummi Island

Lummi Island lies at the southwest corner of Whatcom County, Washington, USA, between the mainland part of the county and offshore San Juan County. The Lummi Indian Reservation is situated on a peninsula east of the island, but does not include Lummi Island. The island has a land area of...

 by Hale Passage

Hale Passage

Hale Passage is the name of two different bodies of water in Puget Sound, Washington. In the north sound, Hale Passage separates Lummi Island from the mainland near Bellingham. In the south sound, another Hale Passage separates Fox Island from the Kitsap Peninsula, near Gig Harbor.In both cases,...

, in Whatcom County

Whatcom County, Washington

Whatcom County is a county located in the U.S. state of Washington. Its name ultimately derives from the Lummi word Xwotʼqom, meaning "noisy water." As of 2010, the population was 201,140. The county seat is at Bellingham, which is also the county's largest city...

. Portage Island has a land area of 3.803 km² (1.468 sq mi). There was no resident population as of the 2000 census

United States Census, 2000

The Twenty-second United States Census, known as Census 2000 and conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2% over the 248,709,873 persons enumerated during the 1990 Census...

. The land and the surrounding tide flats are owned by the Lummi

Lummi

The Lummi , governed by the Lummi Nation, are a Native American tribe of the Coast Salish ethnolinguistic group in western Washington state in the United States...

Native American tribe.