The Indian River is a long

brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

lagoon A lagoon is a shallow body of water separated from a larger body of water by a narrow landform, such as reefs, barrier islands, barrier peninsulas, or isthmuses. Lagoons are commonly divided into ''coastal lagoons'' (or ''barrier lagoons'') a ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

. It is part of the Indian River Lagoon system, which in turn forms part of the

Atlantic Intracoastal Waterway The Intracoastal Waterway (ICW) is a inland waterway along the Atlantic and Gulf of Mexico coasts of the United States, running from Massachusetts southward along the Atlantic Seaboard and around the southern tip of Florida, then following th ...

. It was originally named ''Rio de Ais'' after the

Ais AIS may refer to: Medicine * Abbreviated Injury Scale, an anatomical-based coding system to classify and describe the severity of injuries * Acute ischemic stroke, the thromboembolic type of stroke * Androgen insensitivity syndrome, an intersex ...

Indian tribe, who lived along the east coast of

, but was later given its current name. The Indian River extends southward from the Ponce de Leon inlet in

New Smyrna Beach New Smyrna Beach is a city in Volusia County, Florida, United States, located on the central east coast of the state, with the Atlantic Ocean to the east. Its population is 30,142 in 2020 by the United States Census Bureau. The downtown section o ...

Volusia County Volusia County (, ) is located in the east-central part of the U.S. state of Florida, stretching between the St. Johns River and the Atlantic Ocean. As of the 2020 United States Census, 2020 census, the county was home to 553,543 people, an incr ...

southward and across the

Haulover Canal The Haulover Canal is a waterway north of Merritt Island, Florida, near the former site of Allenhurst, that connects Mosquito Lagoon with the Indian River, and is part of the Intracoastal Waterway. In the early 1960s there were plans to relocate ...

and along the western shore of

Merritt Island Merritt Island is a peninsula, commonly referred to as an island, in Brevard County, Florida, United States, located on the eastern Floridian coast, along the Atlantic Ocean. It is also the name of an unincorporated town in the central and sout ...

. The

Banana River The Banana River is a lagoon that lies between Cape Canaveral and Merritt Island in Brevard County, Florida in the United States. It is part of the Indian River Lagoon system, and connects at its south end to the Indian River; it is the only p ...

flows into the Indian River on the island's south side. The Indian River continues southward to St. Lucie Inlet. At certain seasons of the year, bridges have tended to impede the flow of

gracilaria ''Gracilaria'' is a genus of red algae (Rhodophyta) notable for its economic importance as an agarophyte, as well as its use as a food for humans and various species of shellfish. Various species within the genus are cultivated among Asia, South ...

(a red algae), resulting in an odor of

hydrogen sulfide Hydrogen sulfide is a chemical compound with the formula . It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. The unde ...

in the area.

Tributaries and estuaries

Tributaries of the Indian River include the Merritt Island Barge Canal (man-made), the C-54 Canal (man-made), Crane Creek, the

Eau Gallie River Eau Gallie River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 18, 2011 river in Eau Gallie, Florida, United States. It is a tributary of the Indian River, with its mou ...

, Horse Creek, Mullet Creek, St. Sebastian River,

St. Lucie River The St. Lucie River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 18, 2011 estuary linked to a coastal river system in St. Lucie and Martin counties in the Florida, United ...

, Sykes Creek, and Turkey Creek. An estuary of Indian River is Palm Bay. The St. Johns-Indian River Barge Canal was proposed in the 1960s to provide a water link to the

St. Johns River The St. Johns River ( es, Río San Juan) is the longest river in the U.S. state of Florida and its most significant one for commercial and recreational use. At long, it flows north and winds through or borders twelve counties. The drop in eleva ...

, but was cancelled in the early 1970s.

References

External links

An early 20th Century description of the Indian River
{{Authority control Lagoons of Florida Rivers of Brevard County, Florida Bodies of water of Indian River County, Florida Rivers of Volusia County, Florida