ExploreVisit Oak Harbor, WA, the Largest City on Whidbey Island Read More experienceLocal Events and Where To Go, What To Do on Whidbey Island Read More connectChamber Members, Business Directory & Community Resources Read More CONNECTING COMMUNITY Community Calendar The Greater Oak Harbor Chamber of Commerce and our members offer year-round events, activities and meetings for our residents, visitors and other business members.Browse through our calendar to see what's happening in our community. Event Calendar Thank you to our gold and platinum sponsors Cascade Custom Homes & Design, Inc. Diamond Rentals Home Depot Jones Accounting Associates Regency on Whidbey Sound Sports Net The Boeing Company Three Men and A Mower, LLC Whidbey Coffee Whidbey SeaTac Shuttle & Charter Whidbey Weekly & Printing Next Previous