Experience the Sanctuary and Friends Events Upcoming Events July 28, 2026 – July 29, 2026 On-Water INLAND SEAS Educational Program Manitowoc & Two Rivers, Wisconsin A day of on-water educational programing on Lake Michigan! Learn More!
July 28, 2026 – July 29, 2026 On-Water INLAND SEAS Educational Program Manitowoc & Two Rivers, Wisconsin A day of on-water educational programing on Lake Michigan! Learn More!
