We are open, and making curbside deliveries. Let us know what you need. If we are busy loading trucks, just leave us a message, and we will text you back information. Our Stone Yard & Rock Quarry is a Landscape Stone - Rock - Boulder - Supply, on two acres of property at 2 Old Northport Road in Kings Park, Suffolk County, Long Island, New York 11754. We offer a large variety of Landscaping Materials : Landscape Rocks, Landscape Boulders, Landscape Stone, Landscape Gravel, Jetty Rock, Jetty Stone, Beach Erosion Stone, Gabion Stone, Granite Rock, Marble Rock, Limestone Rock, Round Rock, Angular Rock, River Rock, River Stone, Pool Rock, Waterfall Rock.