Whidbey Island (historical spellings Whidby, Whitbey,[5] or Whitby) is the largest of the islands composing Island County, Washington, in the United States. (The other large island is Camano Island, east of Whidbey.) Whidbey is about 30 miles (48 km) north of Seattle, and lies between the Olympic Peninsula and the I-5corridor of western Washington.
The island forms the northern boundary of Puget Sound. It is homeWhidbey Island contains Ebey's Landing National Historical Reserve, the first national historic reserve in the US created by the National Park Service to preserve the rural history and culture of the island and to protect the area's rare and sensitive plants.
Washington State Parks located on the island include Deception Pass State Park (the most visited state park in Washington), Joseph Whidbey State Park, Fort Ebey State Park, Fort Casey State Park, Possession Point State Park, and South Whidbey Island State Park. There is also a series of county operated parks throughout the Island including:
Earth Sanctuary is a nature reserve, sculpture garden and retreat center on Whidbey Island. The ponds and bog fen complex have been designated as a "habitat of local importance" by the Whidbey Audubon Society and Island County Critical Areas program.[29][30]