Battery Thomson

Battery Gadsden is a historic artillery battery located at Sullivan's Island, Charleston County, South Carolina. It was built in 1903–1904, and is one of a series of batteries stretching from Fort Moultrie to the eastern end of Sullivan's Island. It was named after Christopher Gadsden. Until decommissioned in 1917, the concrete battery housed four, six inch guns. It measures approximately 377 feet long and 84 feet wide, with the front or ocean side of the battery at approximately 7 feet high. Battery Gadsden and its neighbor Battery Thomson provided fortification at the mouth of Charleston Harbor. The battery now houses the Edgar Allan Poe Branch of the Charleston County Public Library. It was built at the same time as Battery Jasper. It was listed on the National Register of Historic Places in 1974.

U.S. Coast Guard Historic District is a national historic district located at Sullivan's Island, Charleston County, South Carolina. The district encompasses three contributing buildings and one contributing structure on Sullivan's Island. The property was established as a life saving station in 1891. The district contains the station house/administration building (c. 1891), boathouse (c. 1891), garage (c. 1938), and signal tower (c. 1938), which are laid out in an L-shaped court loosely organized around the bunker/sighting station (c. 1898). Also on the property is the non-contributing Charleston Light (ca. 1962).It was listed on the National Register of Historic Places in 1973.

Dr. John B. Patrick House also known as the Patrick-Bherman-Smith House and Moultrieville Brothel, is a historic home located at Sullivan's Island, Charleston County, South Carolina. The house was built about 1870, and is a 2+1⁄2-story, symmetrical frame residence with a two-tiered, integral wraparound piazza. It features an expansive hipped roof with dormers and stairs that lead to the second tier of the piazza. A small rectangular frame structure, built about 1920 as a general store, is located on the property.It was listed on the National Register of Historic Places in 1995.

Charleston Light, also known as Sullivan's Island Lighthouse, is located on Sullivan's Island, South Carolina, which is the northern entrance to Charleston Harbor. Designed by Thomas Sullivan. The lighthouse was erected to replace the defunct Morris Island Light on Morris Island, which was at risk of being destroyed by erosion, but which remains standing and was stabilized in 2010. Construction of the Charleston Light was started in 1960, and it was first lit on June 15, 1962.Charleston Light has a steel frame, an aluminum alloy skin, and a triangular cross section. It is 140 feet (43 m) tall. Its slim, triangular structure was built to withstand winds of 125 miles per hour, and the focal plane of the light is 163 feet (50 m) above mean sea level. Originally, it was painted white and red-orange, but was later repainted white and black after citizens complained about the distracting color of the upper half. It is the only U.S. lighthouse with an elevator and air conditioning, and was the last onshore manned lighthouse to be built by the Federal Government. The Texas Tower Offshore Lighthouses were the last offshore manned lighthouses and, were built later starting in 1961 with Buzzards Bay Entrance Light.It has a DCB 24 light. It originally had 28 million candelas (candlepower) and was the second most powerful in the Western Hemisphere. As the light was actually too dazzling, the power was lowered to 1.2 million candelas and could still be seen over 26 nautical miles (48 km; 30 mi). Its characteristic is two 0.2 s flashes separated by 4.8 s every 30 s. The light was automated in 1975.It is a non-contributing resource located in the U.S. Coast Guard Historic District. Now part of Fort Sumter and Fort Moultrie National Historical Park. Although it was donated by the Coast Guard to the National Park System in 2007, the Coast Guard continues to maintain the light of the lighthouse, while the National Park System protects its historical significance and overall physical upkeep.Although this lighthouse is still a working light, many problems within its structure keep it from being open to the public. Currently it is fenced off from civilians, but visitors are able to explore the surrounding grounds, as well as the adjacent public beach access, in order to view the lighthouse.

Sullivan's Island Historic District is a national historic district located at Sullivan's Island, Charleston County, South Carolina. The district encompasses 36 contributing buildings on Sullivan's Island. They predominantly include the core residential and administrative areas of Fort Moultrie built between about 1870 to 1950. Also included are representative "Island Houses" and the Post Chapel. Notable buildings include the Base Commander's Quarters, nine Senior Officers' Quarters, ten Junior Officers' Quarters, the Bachelor Officers' Quarters, the Administration Building, the Post Exchange and Gymnasium, and the Electrical Shop.It was listed on the National Register of Historic Places in 2007.

Sullivan's Island, historically known as O'Sullivan's Island, is a town and island in Charleston County, South Carolina, United States, at the entrance to Charleston Harbor, with a population of 1,791 at the 2010 census, and 1,891 people in 2020. The town is part of the Charleston metropolitan area, and is considered a very affluent suburb of Charleston. Sullivan's Island was the point of entry for approximately 40 to 50 percent of the 400,000 enslaved Africans brought to Colonial America, meaning that 99% of all African Americans have ancestors that came through the island. It has been likened to Ellis Island, the 19th-century reception point for immigrants in New York City. During the American Revolution, the island was the site of a major battle at Fort Sullivan on June 28, 1776, since renamed Fort Moultrie in honor of the American commander at the battle. On September 23, 1989, Hurricane Hugo came ashore near Sullivan's Island; few people were prepared for the destruction that followed in its wake. The eye of the hurricane passed directly over Sullivan's Island. The Ben Sawyer Bridge was a casualty, breaking free of its locks. Before the storm was over, one end of the bridge was in the water and the other was pointing skyward. Sullivan's Island police chief, Jack Lilien, was the last person to leave the island before the bridge gave way.

Atlanticville is an historic community in Charleston County, South Carolina. Its post office operated sporadically from 1903–24, 1925–37, and 1938–42.

Atlanticville Historic District is a national historic district located at Sullivan's Island, Charleston County, South Carolina. The district encompasses 45 contributing buildings, 1 contributing site, and 1 contributing structure in Atlanticville. They predominantly include frame residences built between about 1880 to 1950 which are known as “island houses.” Also located in the district are the Chapel of the Holy Cross and the Sullivan's Island Graded School.It was listed on the National Register of Historic Places in 2007.

The Sullivan's Island Range Lights were range lights on the southern end of Sullivan's Island in Charleston County, South Carolina. The light station was first established in 1848 and was destroyed in 1861 during the Civil War. It was rebuilt after the war and the lights were in existence at least as late as 1901. Neither of the range lights still remains today.Sullivan's Island is a barrier island at the northern entrance to the Charleston harbor. The entire island is now the Town of Sullivan's Island. It is the location of Fort Moultrie and the current Charleston Light.

The Ben Sawyer Bridge is a swing bridge that connects the town of Mount Pleasant with Sullivan's Island in South Carolina. The bridge swings on its central axis to open for boat traffic which is too tall to clear the bridge, and has an operator's house in the center of the swing span from which a tender can operate the bridge. The bridge was originally constructed in 1945, but the steel superstructure for the approach spans and swing span was replaced in 2010, albeit retaining the same general appearance. The bridge originally cost about $775,000 (substructure, superstructure, and approaches) for the 247 foot span (total 1,154 length) with a 32 foot clearance (at high tide). The bridge is approached on both sides by a causeway; applications for the dredging were filed in July 1941. The contractor was to dig a 50 foot wide channel through the mud which would then be filled with dredged sand from the nearby waters. Although the preliminary work moved forward, progress on the superstructure of the bridge was held up for many months due to the lack of steel during World War II; the military supported the completion of the project, though, and the project moved forward again starting in 1943. The bridge opened to traffic on June 18, 1945. Prior to completion of the Isle of Palms Connector Bridge in 1993, the Ben Sawyer Bridge provided the only vehicular access to Sullivan's Island, and, by a connecting bridge, Isle of Palms.The bridge was heavily damaged during Hurricane Hugo, leaving one end of the main span in the Intracoastal Waterway. Pictures of the damaged bridge are some of the most recognizable lasting images of the destruction wrought by the storm. It was subsequently repaired and reopened to traffic in October 1989.

Battery Jasper is a military extension of Fort Moultrie. Built in 1897, it housed multiple weapons due to its proximity to Charleston Harbor. It has a powerhouse that was built in 1910 to power the fort. Only a quarter of the structure is open to the public because the rest was deemed unstable. It was named after William Jasper who was best known for rescuing a shot down South Carolina flag at the same location. It is of the same style as Battery Thomson and was built close to the same time as Battery Gadsden.

Fort Moultrie is a series of fortifications on Sullivan's Island, South Carolina, built to protect the city of Charleston, South Carolina. The first fort, formerly named Fort Sullivan, built of palmetto logs, inspired the flag and nickname of South Carolina, as "The Palmetto State". The fort was renamed for the U.S. patriot commander in the Battle of Sullivan's Island, General William Moultrie. During British occupation, in 1780–1782, the fort was known as Fort Arbuthnot.