Puget Sound is an estuary, a semi-enclosed body of water in which salt water from the nearby Pacific Ocean mixes with fresh water runoff from the surrounding watershed in western Washington, it is a sheltered arm of ocean between Seattle and the mainland of Washington State to the east and the Olympic Peninsula to the west.
Seattle, Washington, is the largest city in the Pacific Northwest. Located between Puget Sound and Lake Washington in King County, of which it is the county seat, and overlooking Elliott Bay, Seattle is nicknamed The Emerald City.
Fidalgo Island is in the Puget Sound region of Washington State. Fidalgo Island is one of the most populous islands in Puget Sound and is known for being the popular Washington State Ferry launching site to the San Juan Islands.
Camano Island is in the Puget Sound region of Washington State. Camano Island is a large island in the Possession Sound portion of Puget Sound, located in Island County, Washington, between Whidbey Island and the mainland.
Lummi Island is in Puget Sound region of Washington State. Lummi Island lies at the southwest corner of Whatcom County, Washington, USA, between the mainland part of the county and offshore San Juan County.