Port Sanilac Harbor of Refuge is a full service public dockage facility. They offer amenities including: water, electricity (30 and 50 amp), restrooms, showers, gasoline, diesel, pump out, ice, fish cleaning station, boat launch, hoist, long-term parking, public phone, courtesy vehicle, dog run, day-use dockage, playground/park, grills/picnic tables, laundry, car rental, marine repairs, marine supplies and weekend security. The Port Sanilac Harbor of Refuge offers 32 seasonal slips and 35 transient slips. Harbor Cordinates: 43° 25' 48" N 82° 32' 48" W Off Season Phone Number: 810-622-9610 The Port Sanilac public docks are a premier destination for boaters on Lake Huron. The Port Sanilac Harbor Commission are gracious hosts to each of the boaters who visit the Village of Port Sanilac.