Lighthouse Passport Days have many tour excursions and experiences that are unique and only available during the event, as several of the lighthouses in Door County are not typically open to the public – Chambers Island, Rock Island, Plum Island, and Sherwood Point, for example. While you can see them from outside or from the water, Passport Days give guests access that is not available throughout much of the year. Tours are available for all levels of activity and accessibility. More details and information to book your tour or excursion at DCMM.org  The Door County Maritime Museum & Lighthouse Preservation Society are proud to be a founding partner of this incredible event.