Barrier islands are a coastal landform, a type of dune system and sand island, where an area of sand has been formed by wave and tidal action parallel to the mainland coast. They usually occur in chains, consisting of anything from a few islands to more than a dozen. They are subject to change during storms and other action, but absorb energy and protect the coastlines and create areas of protected waters where wetlands may flourish. A barrier chain may extend for hundreds of kilometers, with islands periodically separated by tidal inlets. The largest barrier island in the world is Padre Island of Texas, United States, at 113 miles (182 km) long. Sometimes an important inlet may close permanently, transforming an island into a peninsula, thus creating a barrier peninsula, often including a beach, barrier beach. Though many are long and narrow, the length and width of barriers and overall morphology of barrier coasts are related to parameters including tidal range, wave energy, sediment supply, sea-level trends, and basement controls. The amount of vegetation on the barrier has a large impact on the height and evolution of the island.
Sleeping Bear Dunes National Lakeshore is a U.S. national lakeshore in the northwestern Lower Peninsula of Michigan. Located within Benzie and Leelanau counties, the park extends along a 35-mile (56 km) stretch of Lake Michigan's eastern coastline, as well as North and South Manitou islands, preserving a total of 71,199 acres. The park is known for its outstanding natural features, including dune formations, forests, beaches, and ancient glacial phenomena. The lakeshore also contains many cultural features, including the 1871 South Manitou Island Lighthouse, three former stations of the Coast Guard, and an extensive rural historic farm district.
Fort Pickens is a historic pentagonal United States military fort on Santa Rosa Island in the Pensacola, Florida, area. It is named after American Revolutionary War hero Andrew Pickens. It is the largest of four forts built to defend Pensacola Bay and its navy yard. The fort was completed in 1834 and was one of the few forts in the South that remained in Union hands throughout the American Civil War. It remained in use until 1947. Fort Pickens is included within the Gulf Islands National Seashore, and as such, is administered by the National Park Service.
Fort McRee was a historic military fort constructed by the United States on the eastern tip of Perdido Key to defend Pensacola and its important natural harbor. In the defense of Pensacola Bay, Fort McRee was accompanied by Fort Pickens, located across Pensacola Pass on Santa Rosa Island, and Fort Barrancas, located across Pensacola Bay on the grounds of what is now Naval Air Station (NAS) Pensacola. Fort Pickens was the largest of these. Very little remains of Fort McRee today.
The Florida panhandle is the northwestern part of the U.S. state of Florida. It is a salient roughly 200 miles (320 km) long, bordered by Alabama on the north and the west, Georgia on the north, and the Gulf of Mexico to the south. Its eastern boundary is arbitrarily defined. It is defined by its southern culture and rural geography relative to the rest of Florida, as well as closer cultural links to French-influenced Louisiana, Mississippi, and Alabama. Its major communities include Pensacola, Navarre, Destin, Panama City Beach, and Tallahassee.
Santa Rosa Island is a 40-mile (64 km) barrier island located in the U.S. state of Florida, thirty miles (50 km) east of the Alabama state border. The communities of Pensacola Beach, Navarre Beach, and Okaloosa Island are located on the island. On the northern side of the island, are Pensacola Bay on the west and Choctawhatchee Bay on the east, joined through Santa Rosa Sound.
Perdido Key State Park is a 247-acre (1.00 km2) Florida State Park located on a barrier island fifteen miles (24 km) southwest of Pensacola, off S.R. 292, in northwestern Florida. The address is 12301 Gulf Beach Highway.
The Emerald Coast is an unofficial name for the coastal area in the US state of Florida on the Gulf of Mexico that stretches about 100 miles (160 km) through five counties, Escambia, Santa Rosa, Okaloosa, Walton, and Bay, which include Pensacola Beach, Navarre Beach, Fort Walton Beach, Destin, and Panama City Beach. Some south Alabama communities on the coast of Baldwin County, such as Gulf Shores, Orange Beach, and Fort Morgan embrace the term as well.
Horn Island is a long, thin barrier island off the Gulf Coast of Mississippi, south of Ocean Springs. It is one of the Mississippi–Alabama barrier islands and part of the Gulf Islands National Seashore. Horn Island is several miles long, but less than a mile wide at its widest point. It occupies about 4.2 square miles (11 km2).
Assateague Island National Seashore is a unit of the National Park Service system of the U.S. Department of the Interior. Located on the East Coast along the Atlantic Ocean in Maryland and Virginia, Assateague Island is the largest natural barrier island ecosystem in the Middle Atlantic states region that remains predominantly unaffected by human development. Located within a three-hour drive to the east and south of Richmond, Washington, Baltimore, Wilmington, Philadelphia major metropolitan areas plus north of the several clustered smaller cities around Hampton Roads harbor of Virginia with Newport News, Hampton, Norfolk, Portsmouth, Chesapeake and Virginia Beach. The National Seashore offers a setting in which to experience a dynamic barrier island and to pursue a multitude of recreational opportunities. The stated mission of the park is to preserve and protect “unique coastal resources and the natural ecosystem conditions and processes upon which they depend, provide high-quality resource-based recreational opportunities compatible with resource protection and educate the public as to the values and significance of the area”.
Fort Barrancas (1839) or Fort San Carlos de Barrancas is a United States military fort and National Historic Landmark in the former Warrington area of Pensacola, Florida, located physically within Naval Air Station Pensacola, which was developed later around it.
Perdido Key is an unincorporated community located in Escambia County, Florida, United States, between the cities of Pensacola, Florida and Orange Beach, Alabama. The community is located on and named for Perdido Key, a barrier island in northwest Florida and southeast Alabama. "Perdido" means "lost" in the Spanish and Portuguese languages. The Florida district of the Gulf Islands National Seashore includes the east end of the island, as well as other Florida islands. No more than a few hundred yards wide in most places, Perdido Key stretches some 16 miles (26 km) from near Pensacola to Perdido Pass Bridge near Orange Beach.
The Mississippi Sound is a sound along the Gulf Coast of the United States. It runs east-west along the southern coasts of Mississippi and Alabama, from the mouth of the Pearl River at the Mississippi-Louisiana state border to the Dauphin Island Bridge, a distance of about 90 miles (145 km). The sound is separated from the Gulf on its southern side by the Mississippi–Alabama barrier islands: Cat, Ship, Horn, West Petit Bois, Petit Bois, and Dauphin. Ship, Horn, West Petit Bois and Petit Bois Islands are part of the National Park Service's Gulf Islands National Seashore. Those islands separate the sound from the Gulf of Mexico. The sediment of the islands was created partly by the ancient Mississippi River when the St. Bernard Lobe of the Mississippi Delta was active over two thousand years ago. The expansion of the St. Bernard subdelta slowly isolated the Mississippi Sound from ocean dynamics of the open Gulf of Mexico.
Pensacola Bay is a bay located in the northwestern part of Florida, United States, known as the Florida Panhandle.
The Pensacola metropolitan area is the metropolitan area centered on Pensacola, Florida. It is also known as the Pensacola–Ferry Pass–Brent Metropolitan Statistical Area, a metropolitan statistical area (MSA) used for statistical purposes by the United States Census Bureau and other agencies. The Pensacola Standard Metropolitan Statistical Area was first defined in 1958, with Pensacola as the principal city, and included Escambia and Santa Rosa counties. The MSA was renamed Pensacola–Ferry Pass–Brent MSA in 2003, with the unincorporated census-designated places Ferry Pass and Brent added as principal cities. The population of the MSA in the 2020 census was 511,502.
Perdido Pass, separating Alabama Point from Florida Point, is the mouth of the Perdido River. Perdido Pass forms a water passage that connects Perdido Bay with the Gulf of Mexico to the south, in the U.S. state of Alabama, 2 miles (3 km) west of the Alabama/Florida state line. A bridge spans Perdido Pass, connecting Alabama Point with Florida Point in Alabama. At the entrance into the Gulf, the 2 rock barriers, extending from the white beaches, are the west jetty & east jetty. The surrounding area is heavily developed, with high-rise condominiums. However, there are nearby beach-front parks, with Gulf State Park on the eastern side of Perdido Pass.
Perdido Bay is a bay at the mouth of and draining the Perdido River, a designated Outstanding Florida Waters river, in Baldwin County, Alabama and Escambia County, Florida, United States. It is essentially a coastal lagoon enclosed by barrier islands, with an inlet, Perdido Pass.
Pensacola Pass is an inlet between Santa Rosa Island and Perdido Key at the western end of the Florida Panhandle. It connects the Gulf of Mexico to Pensacola Bay. The mainland around Pensacola Bay is heavily developed, with high-rise condominiums. Santa Rosa Island and the eastern part of Perdido Key adjacent to Pensacola Pass are units of the Gulf Islands National Seashore, and remain largely undeveloped.
The Mississippi–Alabama barrier islands are a chain of barrier islands in the Gulf of Mexico along the coasts of Mississippi and Alabama enclosing the Mississippi Sound. The major islands are Cat Island, Ship Island, Horn Island, Petit Bois Island, and Dauphin Island; in the early 20th century the chain also included the Isle of Caprice, which has since been submerged. The islands are separated by wide inlets, several of which have been channelized to form the shipping channels for Gulf coast ports. The shapes and sizes of the islands have changed significantly since the 1800s, with the islands generally shrinking and shifting westward, especially after major tropical cyclones. Most of the islands are uninhabited. Much of the Mississippi portion of the chain is included in the Gulf Islands National Seashore.
Johnson Beach on Perdido Key should not be confused with Johnson's Beach in Guerneville, California
