When you think of Grand Haven, there are probably three things that come to mind the beach, the lighthouse and the Coast Guard. WATCH: How Grand Haven became the heart of U.S. Coast Guard culture over 150 years How Grand Haven became the heart of U.S. Coast Guard culture over 150 yearsThe service members protecting West Michigan's waters have been celebrated in Grand Haven every summer for more than 100 years. It's why the city is known as Coast…