Nestled on the shores of Lake Michigan, Winthrop Harbor is a Village rich in history and opportunity. Here you will find a family-friendly Village with beautiful parks and recreational facilities, beaches and so much more! Winthrop Harbor is home to North Point Marina, the largest marina on the Great Lakes. With over 1,500 boat slips, plus public beaches, recreation facilities and "second-to-none" charter fishing, North Point Marina is destination to nearly one million visitors every summer.