Schools in Port Sanilac, Michigan, the US. Schools locations in Port Sanilac, Michigan. Find the nearest schools locations, near you. All types of business services ATM Bank Finance Real estate School Travel All schools in Port Sanilac Cottage School School Port Sanilac, Port Sanilac, Michigan 48469 Write a review Phone Directions The Great Lakes Diver School Travel agency +1 586-792-2040 Port Sanilac Harbor, Port Sanilac, Michigan 48469 Write a review Phone Website Directions