Weather Weather on Hilton Head Island is ideal for those wanting to explore the outdoors and soak up the sunshine. Hilton Head Island and the surrounding Lowcountry features a balmy, subtropical climate year round. The largest barrier island off the Atlantic coast, Hilton Head is located 40 miles north of Savannah, GA, and 90 miles south of Charleston, SC. The Island lies on the Intracoastal Waterway and encompasses 42 square miles of semi-tropical, unspoiled sea marshes, creeks and lagoons, wooded forests of tall pines, palmettos, magnolias and live oaks, and 12 miles of Atlantic beach.
2Prepare your mortar and allow the mix to set for about five minutes. You can buy mortar premixed, or you can create your own batch using one part masonry cement and three parts fine sand. In either case, add enough water to create a paste â about the consistency of oatmeal.
The first row of blocks will be placed 12 inches in from the planned front edge of the deck and spaced every 24 inches on center. Mark spots for additional rows of blocks every 4 feet. Dig out an area at each deck block location that is approximately the same size as the base of the deck block and 2 inches deep. Compact the soil well using a tamper. Fill the area with 2 inches of gravel and level. Position the deck blocks on the gravel beds at each location. Use a carpenter's level between each of the blocks and make sure that they are level. Make the support posts that rest in the deck blocks.