- CatalinaOwners.com
 - Seattle - Contains discussion forums, owner reviews, and accessories for all Catalina sailboats. - Meydenbauer Bay Yacht Club (MBYC)
- Bellevue - Social organization of boating enthusiasts.
- Northwest Schooner Society
- Seattle - Dedicated to preparing these young minds for the challenges they face through an experience of a lifetime aboard a tall ship.
- Northwest Steam Society Club
- Seattle - Nonprofit volunteer organization for steam enthusiasts in the Pacific Northwest and beyond. Open to anyone interested in steam boats, trains, traction engines, automobiles, models, and more.
- Seattle Area Racing Council
- Seattle
- Seattle Boat Show at Shilshole
- Seattle - Offers list of boats, future shows, history, and more.
- Seattle Boating.Com
- Seattle - Links to the world of sailing, paddling, windsurfing, powerboating and more.
- Seattle Outboard Association
- Seattle - Affiliate of the American Power Boat Association (APBA).
- Seattle Yacht Club
- Seattle - Includes information about the club and general boating information.
- Washington Yacht Club
- Seattle
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