Northwest Basin Marina serving both Midland and Penetanguishene plays host to one of the most memorable boating experiences in the area. Now, whether you are visiting for a simple day trip or spending a few peaceful nights in the utter tranquility of the bay you will create and cherish fond memories that will last a lifetime. Nestled along the shorelines of the vast Georgian Bay, Northwest Basin Marina welcomes boats between twenty and fifty feet in length. With access to over 30,000 islands, Northwest Basin Marina provides an excellent home, whether staying in the marina or out in the open water.