Before we began planning a road trip that included a few days in Seattle, I’d never heard of San Juan Island. When I discussed our travel plans at work, a coworker suggested we add San Juan Island to our trip because her sister loved it so much. Well, my coworker’s sister was right! San Juan Island is an adorable place to visit with historic sites, whale-watching opportunities, and beautiful overlooks of the sea. Getting to San Juan Island From Seattle Since we didn’t initially plan to visit San Juan Island, we could only set aside one day for the side trip. To get to the island, you have to take a ferry or a plane.  We opted to go with the more popular and cost-effective option–taking the ferry from Anacortes. Since we’d never driven our car onto a ferry, this turned out to be an adventure unto itself. Anacortes, Washington,…