At 1553 hours, Sussex ECC alerted Millsboro (83) Indian RIver (80), Station 85, and Medic 106 for a commercial structure fire at the Independence Club House in Millsboro.  Engine 85 and Truck 85 made the response.  Engine 85 arrived as the second due engine and secured the water supply for Engine 80.  Truck 85 arrived as the third due special service.  Both crews assisted as assigned by 83 Command on scene.  Crews remained on scene assisting with the investigation for about an hour.  Chief Dennis Swain (83-15) had Command.