Port Susan is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 and strait

Strait

A strait or straits is a narrow, typically navigable channel of water that connects two larger, navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not...

 located in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Washington. Part of the Whidbey Island Basin of Puget Sound

Puget Sound

Puget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...

, Port Susan is bounded by Camano Island

Camano Island

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. The body of water separating Whidbey Island and Camano Island is called Saratoga Passage. Camano Island is separated from mainland...

 to the west and the mainland to the east. The Stillaguamish River

Stillaguamish River

The Stillaguamish River is a river in northwest Washington in the United States. It is mainly composed of two forks, the longer North Fork Stillaguamish and the South Fork Stillaguamish. The two forks join near Arlington. From there the Stillaguamish River proper flows for to Puget Sound...

 empties into the northern end of Port Susan. To the south, Port Susan connects with the rest of Puget Sound via Possession Sound

Possession Sound

Possession Sound is part of Puget Sound, located in the U.S. state of Washington between Whidbey Island and the coastline of Snohomish County approximately between the cities of Everett and Mukilteo. Possession Sound connects the main Puget Sound basin to the south with Saratoga Passage and Port...

 and Saratoga Passage

Saratoga Passage

Saratoga Passage lies in Puget Sound between Whidbey Island and Camano Island.Saratoga Passage extends about 18 miles in a northwesterly direction from its entrance between Sandy Point on the Whidbey Island side and Camano Head on the other. At its northern end, Saratoga Passage connects with Penn...

. A swampy waterway connects the northern end of Port Susan with Skagit Bay

Skagit Bay

Skagit Bay is a bay and strait located in the U.S. state of Washington. It is part of the Whidbey Island Basin of Puget Sound. The Skagit River empties into Skagit Bay. To the south, Skagit Bay connects with the rest of Puget Sound via Saratoga Passage and Possession Sound...

. This waterway also separates Camano Island from the mainland.

History

In late May and early June 1792 George Vancouver

George Vancouver

Captain George Vancouver RN was an English officer of the British Royal Navy, best known for his 1791-95 expedition, which explored and charted North America's northwestern Pacific Coast regions, including the coasts of contemporary Alaska, British Columbia, Washington and Oregon...

's expedition explored Port Susan and gave it its current name. Most of Port Susan was surveyed by boats under Vancouver's officer Joseph Whidbey

Joseph Whidbey

Joseph Whidbey was a member of the Royal Navy who served on the Vancouver Expedition 1791–1795, and later achieved renown as a naval engineer. He is notable for having been the first European to discover and chart Admiralty Island in the Alexander Archipelago in 1794.Little is recorded of...

. On June 3, 1792, Vancouver held a formal ceremony taking possession of the region for Britain, at which time he named today's Saratoga Passage "Port Gardner", in honor of Vice-Admiral Sir Alan Gardner

Alan Gardner, 1st Baron Gardner

Admiral Alan Gardner, 1st Baron Gardner was a British Royal Navy officer and peer of the realm. He became one of the Georgian era's most dashing frigate captains and, ultimately, a respected senior admiral.-Naval career:...

. He named Port Susan in honor of Lady Susan, Sir Alan's wife.