Marina 43° 15' 50" N/82° 31' 00". 107 transient slips available. Radio channel: 16. Operating dates early May to lake September. Off season location is Lakeport State Park with off season phone: 810-327-6224. Amenities include water, electricity (30 and 50 amp), restrooms, showers, gasoline, diesel, pump out, fish cleaning station ice and boat launch. The Hammond Bay State Harbor is a designated Michigan Clean Marina.