Bayport Marina Association is a destination and marina located on the beautiful & historic St. Croix River, at 200 Fifth Avenue South, Bayport, Minnesota, 55003 United States. Welcome to Bayport Marina! Located at mile marker 19.1 on the St. Croix River, Bayport Marina Association (BMA) offers a resort atmosphere with a calm, protected harbor, premier amenities, an on-site restaurant, and a year-round service department for your every need. BMA is a member-owned marina offering slips for purchase, lease, or transient dockage. Our Fuel Dock and “Boatique” features ValvTect treated fuels, fun seasonal apparel, and all the convenience items needed to spend the day on the river. Known as “The Marina That Thinks It’s a Resort!” for our courteous staff, manicured grounds, family-friendly community atmosphere, and many boating options makes BMA the best marina in the Midwest. Boaters make BMA their home away from home and we encourage you to do the same! Take a virtual tour of the beautiful Bayport Marina, or give us a call (651.439.2040) today!