United States
32°11′N 80°45′W
Sea Islands
The Sea Islands are a chain of over one hundred tidal and barrier islands on the Atlantic Ocean coast of the Southeastern United States in the states of South Carolina, Georgia and Florida, roughly between the mouths of the Santee and Nassau rivers.

Chart
Overview
The Sea Islands are a chain of over one hundred tidal and barrier islands on the Atlantic Ocean coast of the Southeastern United States in the states of South Carolina, Georgia and Florida, roughly between the mouths of the Santee and Nassau rivers. The islands are part of the historical area of the Gullah Geechee people and the Gullah-Geechee Cultural Heritage Corridor. All of the islands are acutely threatened by sea level rise due to climate change.
From Wikipedia, CC BY-SA 4.0
Census, cataloged
- Major islands4
- Minor islands12
- Islets0
- Rocks & skerries0
Major islands
Cumberland Island
- Area
- 86.1 km²
- High point
- 38 m
Cumberland Island, in the southeastern United States, is the largest of the Sea Islands of Georgia. The long-staple Sea Island cotton was first grown here by a local family, the Millers, who helped Eli Whitney develop the cotton gin. With its unusual range of wildlife, the island has been declared a National Seashore.
Johns Island
- Area
- 217 km²
Johns Island is an island in Charleston County, South Carolina, United States, and is the largest island in the state of South Carolina. Johns Island is bordered by the Wadmalaw, Seabrook, Kiawah, Edisto, Folly, and James islands; the Stono and Kiawah rivers separate Johns Island from its border islands.
Ossabaw Island
- Area
- 105 km²
S. state of Georgia approximately twenty miles by water south from the historic downtown of the city of Savannah. One of the largest of Georgia's barrier islands, Ossabaw contains 9,000 acres (3,600 ha) of wooded uplands with freshwater ponds and 16,000 acres (6,500 ha) of marshlands interlaced with tidal creeks.
Amelia Island
- Area
- 47.1 km²
- High point
- 4 m
Amelia Island is a part of the Sea Islands chain that stretches along the East Coast of the United States from South Carolina to Florida; it is the southernmost of the Sea Islands, and the northernmost of the barrier islands on Florida's Atlantic coast. 4 km) wide at its widest point.
Minor islands
Fripp Island
- Area
- 11.9 km²
- High point
- 1 m
Morris Island
- Area
- 3.4 km²
Bull Island
- Area
- —
size unknown
Jekyll Island
- Area
- —
size unknown
Little St. Simons Island
- Area
- —
size unknown
Morgan Island
- Area
- —
size unknown
North Island
- Area
- —
size unknown
Port Royal Island
- Area
- —
size unknown
Saint Helena Island
- Area
- —
- High point
- 6 m
size unknown
Sea Island
- Area
- —
- High point
- 3 m
size unknown
St. Catherines Island
- Area
- —
size unknown
Wassaw Island
- Area
- —
size unknown
Figures
Comparative heights
- Cumberland: 38 m
- Saint Helena: 6 m
- Amelia: 4 m
- Sea: 3 m
- Fripp: 1 m
To the same scale
Islands by area
| Johns Island | 217 km² |
| Ossabaw Island | 105 km² |
| Cumberland Island | 86.1 km² |
| Amelia Island | 47.1 km² |
| Fripp Island | 11.9 km² |
| Morris Island | 3.4 km² |