The Washington State Genealogical Society has a Resource Guide to each of Washington’s counties.
- WA State Digital Archives – over 60 million Washington records online.
- WA USGenWeb Page – links to resources by county.
- Access Genealogy – WA – links to records; numerous American Indian links.
- The Virtual Wall – Washington State Vietnam casualties.
- Cyndi’s List – Washington – Cyndi Ingle’s list of resources by topic.
- Cyndi’s List – Washington Counties – Cyndi Ingle’s list of resources by county.
- FamilySearch – Location Research – Washington – many of the LDS records are on-line.
- Linkpendium > Genealogy > USA > Washington – directory to genealogically relevant info on the web.
- Washington Local History Network – historical and genealogical information.
- Family Search Wiki – FamilySearch.org’s resource to Washington State records.
- King County GIS Center – Online property maps and static maps on various topics, as well as information for ordering custom GIS maps.
- Local History – Seattle Public Library’s links to local history resources
- Snohomish County Historic Maps – explore Snohomish County ca. 1910, find homesteads and maps from the first 100 years of the county, and explore an inventory of historic items in unincorporated Snohomish County.
- Snohomish County Maps – Online property maps and static maps on various topics.
- Washington State Maps – List of state maps on the official state government Web site.
- Cyndi’s List – Island County Resources – a good place to start your Island County research
- CamWood Obituary Project (pending) – index to obituaries from the Camano Island and Stanwood area
- Island County USGenWeb – site for Island County (scroll down to the Genealogy section)
- Island County Government Guide – listing of all Island County Government departments
- Island County Community Web, History – history of Island County, includes Societies and the Diary of Frederick Charles Adams
- Island County Maps / Descriptions – includes the two main islands, Whidbey and Camano, and seven smaller, mostly uninhabited islands (Baby, Ben Ure, Deception, Kalamut, Minor, Smith, and Strawberry)
- USGenWeb Archives, Washington, Island County – includes 1857 Terrritorial census, 1860 federal census, a 1909 Island County Map and assorted Birth, Death and Marriage Indexes (all before1915)
- Island County Thumbnail History – a brief history of the area by By Daryl C. McClary
- South Whidbey Historical Society – site includes historical documents, photos and other useful info.
- Family Search Wiki – Island County – FamilySearch.org’s resource guide for Island County