Charleston was 'located' at the wrong place, simply with the object of being as distant as possible from the Spanish settlements, and has always suffered from an insufficient depth of water on its bars to accommodate the largest class of merchant ships. It has barely sixteen feet of water at high tide, and ships loaded as lightly as possible have often been obliged to wait for weeks to enter or leave the port. A decrease of one or two feet in its main channel would, in its palmiest days, have been fatal to its prosperity. The sinking of a dozen ships loaded with stone has no doubt placed a permanent barrier to the entrance of all but a small class of vessels. The ships themselves may soon be displaced or destroyed by the sea-worm, but the New England granite will prove a lasting monument to the folly and madness of the rebellion. The destruction of the best part of the city by fire seems also to show that Providence has designed it to be ranked only with the cities of the past. The productions of South Carolina have always been large and valuable, and since the completion of their system of railroad facilities they have greatly increased; therefore a commercial city is a necessity, and Port Royal must be its locality. Here is the noblest harbor south of the Chesapeake, with a draught of water of from twenty-five to thirty feet, enough for the largest-sized ships, and sufficient anchorage room for all the navies of the world. Our government should here have a naval depot to take the place of Norfolk, since there is no more suitable place on the whole coast. In this connection the name, Royal Port, is truly significant. The precise locality for the new city can not now be indicated, but we would suggest the point some two miles south-west of Beaufort, which would give it a position not unlike New York. It would have the straight Broad River for its Hudson, with a fine channel on the south and east communicating with numerous sounds and rivers. Its situation on an island of about the same length as Manhattan completes the parallel. The value of the produce conveyed over the sounds and rivers connecting with Port Royal, by sloops and steamers, must be counted by millions of dollars. We may estimate the crop of Sea-Island cotton at about fifteen thousand bales, or six millions of pounds, and of rice about fifty million pounds. Yankee enterprise would soon double the amount, and add to it an immense bulk of naval stores and lumber. But this is but a moiety of what the exports would be. A branch railroad only ten miles long would connect this port with all the railroads of South Carolina and Georgia, which, diverging from Charleston and Savannah, spread themselves over a large part of five States. This road would make tributary to this place a vast district of country.