Map Opening Day of the Soo Locks Soo Locks Park329 W. Portage Avenue, Sault Ste Marie, MI 49783WebsiteEmailPhone: (906) 632-3366 Description On March 25th at 12:01 a.m., the Soo Locks opens for the season. Join us at the Soo Locks Park to help celebrate the opening of this historic structure. It's practically a holiday for Boat Nerds, and a sure sign summer is on the way for Sault residents. In year's past boat fanatics have filled the viewing platform to watch the first freight make its way into either Lakes Superior or Huron. The park opens around 11:30 p.m. March 24 and will close at roughly 12:30 a.m. March 25. Videos Event Dates Every Sunday, Monday from 2019-03-24 - 2019-03-25 More To Explore Categories: Cultural & Heritage Outdoor Recreation Activities City: Sault Sainte Marie Region: Eastern UP Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.