List of islands of Florida

The U.S. state of Florida has a total of 4,510 islands that are ten acres or larger.^[1] This is the second-highest number of islands of any state of the United States; only Alaska has more.^[1]

Major island chains include the Florida Keys, the Ten Thousand Islands, the Sea Islands, and the barrier islands of the Atlantic coast, the Panhandle Gulf of Mexico coast, and the Tampa Bay Area and Southwest Florida Gulf coast.

Island	Size	County	Notes
Adams Key		Miami-Dade	In Biscayne National Park. Home to the former Cocolobo Cay Club owned by Carl Fisher.
Allison Island		Miami-Dade
Amelia Island	18 square miles (47 km²)^[2]	Nassau	One of the Sea Islands
Anastasia Island	14 square miles (36 km²)^[3]	St. Johns	Barrier island
Anna Maria Island	7 square miles (18 km²)	Manatee	Barrier island
Archer Key	24.7 ha; 61.1 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Arsenicker Keys		Miami-Dade	In Biscayne National Park
Atsena Otie Key		Levy	One of the Cedar Keys
Bahia Honda Key	524 acres (212 ha)	Monroe	In the lower Florida Keys
Ballast Key	4.68 ha; 11.6 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Barracouta Key	47.2 ha; 117 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Belle Isle		Miami-Dade	Artificial island in the Venetian Islands in Biscayne Bay
Big Coppitt Key		Monroe	In the lower Florida Keys
Big Mullet Key	8.72 ha; 21.6 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Big Pine Key	9.8 square miles (25 km²)	Monroe	In the lower Florida Keys
Big Talbot Island		Duval	One of the Sea Islands
Big Torch Key		Monroe	In the lower Florida Keys
Bird Key	1.2 square miles (3.1 km²)	Sarasota	Barrier island
Bird Key		Miami-Dade	in Biscayne Bay
Biscayne Island		Miami-Dade	Artificial island in the Venetian Island in Biscayne Bay
Black Hammock Island		Duval	In a marsh
Blount Island	2,000 acres (810 ha)	Duval	In the St. Johns River
Boca Chica Key		Monroe	In the lower Florida Keys
Boca Chita Key		Miami-Dade	In Biscayne National Park
Boca Grande	3 square miles (7.8 km²)^[4]	Monroe	One of the Mule Keys in the lower Florida Keys
Boot Key		Monroe	In the middle Florida Keys
Brickell Key	1.19 square miles (3.1 km²)	Miami-Dade	Artificial island in Biscayne Bay
Caesar's Rock		Miami-Dade	In Biscayne National Park
Caladesi Island	3 square miles (7.8 km²)	Pinellas	Barrier island
Cape St. George Island		Franklin	Barrier island
Casey Key		Sarasota	Barrier island
Captiva Island	4 square miles (10 km²)	Lee	Barrier island
Cayo Costa	2,506 acres (1,014 ha)	Lee	Barrier island
Cedar Key		Levy	One of the Cedar Keys
Chokoloskee Island	0.23 square miles (0.60 km²)	Collier	In the Ten Thousand Islands
City Island	0.7 square miles (1.8 km²)	Volusia	In the Intracoastal Waterway
Clearwater Beach Island		Pinellas	Barrier island
Coconut Island		Collier	Small barrier island
Conch Key		Monroe	In the middle Florida Keys
Cottrell Key	53.4 acres (21.6 ha)	Monroe	One of the Mule Keys in the lower Florida Keys
Craig Key		Monroe	In the upper Florida Keys
Crawfish Key	4.23 acres (1.71 ha)	Monroe	One of the Mule Keys in the lower Florida Keys
Crawl Key		Monroe	In the middle Florida Keys
Cudjoe Key		Monroe	In the lower Florida Keys
Davis Islands		Hillsborough	Two artificial islands in Tampa Bay
Deerfield Beach Island		Broward (part) Palm Beach (part)	Barrier island
Demere Key		Lee	In Pine Island Sound
Di Lido Island		Miami-Dade	In the Venetian Islands
Dildo Key	0.12 square miles (0.3 km²)	Monroe	In Everglades National Park
Discovery Island	12 acres (4.9 ha)	Orange	Island formerly used as an attraction at Walt Disney World Resort
Dismal Key		Monroe	In the Ten Thousand Islands
Dog Island	1,842 acres (745 ha)	Franklin	Barrier island
Don Pedro Island		Charlotte County	Barrier island
Drayton Island	1,700 acres (690 ha)	Putnam	In Lake George
Dry Tortugas		Monroe	In Dry Tortugas National Park
Duck Key		Monroe	In the middle Florida Keys
East Rockland Key		Monroe	In the lower Florida Keys
Egmont Key	328 acres (133 ha)	Hillsborough	Barrier island
Elliott Key		Miami-Dade	Largest island in Biscayne National Park
Estero Island		Lee	Barrier island
Fat Deer Key		Monroe	In the middle Florida Keys
Fiesta Key		Monroe	In the upper Florida Keys
Fisher Island	222 acres (90 ha)	Miami-Dade	Barrier island
Flagler Monument Island	4 acres (1.6 ha)	Miami-Dade	Artificial island in Biscayne Bay
Fleming Key		Monroe	In the lower Florida Keys
Fort George Island		Duval	One of the Sea Islands
Galt Island		Lee	In Pine Island Sound
Gasparilla Island	7 square miles (18 km²)	Charlotte and Lee counties	Barrier island
Geiger Key		Monroe	In the lower Florida Keys
Grassy Key		Monroe	In the middle Florida Keys
Grove Isle	20 acres (8.1 ha)	Miami-Dade	Artificial island in Biscayne Bay
Hibiscus Island		Miami-Dade	Artificial island in Biscayne Bay
Honeymoon Island	385 acres (156 ha)	Pinellas	Barrier island
Hontoon Island	1,648 acres (667 ha)	Volusia	In St. Johns River
Hutchinson Island	23.86 square miles (61.8 km²)	Martin (part) St. Lucie (part)	Barrier island
Hypoluxo Island^[5]	2.7 square miles (7.0 km²)	Palm Beach	An island in Lake Worth Lagoon
Indian Key	12 acres (4.9 ha)^[6]	Monroe	In the Florida Keys
Joe Ingram Key	1.00 ha; 2.47 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Jupiter Island	3.56 square miles (9.2 km²)	Martin (part) Palm Beach (part)	Barrier island
Keywaydin Island		Collier	Barrier island
Key Biscayne	5 square miles (13 km²)	Miami-Dade	Barrier island
Key Largo		Monroe	In the upper Florida Keys
Key Marco		Collier	In the Ten Thousand Islands
Key Vaca		Monroe	In the middle Florida Keys
Key West	5.27 square miles (13.6 km²)	Monroe	In the lower Florida Keys
Knights Key		Monroe	In the middle Florida Keys
Knockemdown Key		Monroe	In the lower Florida Keys
Kreamer Island		Palm Beach	In Lake Okeechobee
Lido Key	530 acres (210 ha)	Sarasota	Barrier island
Lignumvitae Key	300 acres (120 ha)^[7]	Monroe	In the upper Florida Keys
Little Conch Key		Monroe	In the middle Florida Keys
Little Crawl Key		Monroe	In the middle Florida Keys
Little Duck Key		Monroe	In the lower Florida Keys
Little Gasparilla Island		Charlotte	Barrier island
Little Mullet Key	5.86 ha; 14.5 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Little Talbot Island	3.9 square miles (10 km²)	Duval	One of the Sea Islands
Little Torch Key		Monroe	In the lower Florida Keys
Loggerhead Key	49 acres (20 ha)	Monroe	In the Dry Tortugas
Lois Key		Monroe	In the lower Florida Keys
Long Key		Monroe	In the middle Florida Keys
Longboat Key	16 square miles (41 km²)	Sarasota (part) Manatee (part)	Barrier island
Long Point Key		Monroe	In the middle Florida Keys
Lovers Key		Lee	Barrier island
Lower Matecumbe Key		Monroe	In the upper Florida Keys
Makinson Island		Osceola	In Lake Tohopekaliga
Man Key	35.9 ha; 88.7 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Manasota Key	3.089 square miles (8.00 km²)	Charlotte (part) Sarasota (part)	Barrier island
Marco Island	12.1 square miles (31 km²)	Collier	Barrier island
Marquesas Keys	2.541 square miles (6.58 km²)	Monroe	In the lower Florida Keys
Meig's Key		Monroe	In Biscayne National Park
Melody Key	6 acres (2.4 ha)^[8]	Monroe	In the lower Florida Keys
Merritt Island	46.16 square miles (119.6 km²)	Brevard	Barrier island
Miami Beach		Miami-Dade	Barrier island
Middle Torch Key		Monroe	In the Florida Keys
Missouri Key		Monroe	In the lower Florida Keys
Molasses Keys		Monroe	In the lower Florida Keys
Money Key		Monroe	In the lower Florida Keys
Mule Key	5.22 ha; 12.9 acres	Monroe	One of the Mule Keys in the lower Florida Keys
Mule Keys	263 ha; 649 acres	Monroe	In the lower Florida Keys
Mullet Key		Citrus	Island in the Gulf of Mexico
Munyon Island		Palm Beach	In Lake Worth Lagoon
No Name Key		Monroe	In the lower Florida Keys
North Captiva Island	4 square miles (10 km²)	Lee County	Barrier island
North Hutchinson Island/ Orchid Island	23.86 square miles (61.8 km²)	Indian River (part) St. Lucie (part)	Barrier island
Ohio Key		Monroe	In the lower Florida Keys
Old Rhodes Key		Miami-Dade	In the upper Florida Keys
Palm Beach Island	8.12 square miles (21.0 km²)	Palm Beach	Barrier island
Palm Island		Miami-Dade	Artificial island in Biscayne Bay
Palm Key		Monroe	In Florida Bay
Paradise Island		Osceola	In Lake Tohopekaliga
Park Key	70 acres (28 ha)	Monroe	In the lower Florida Keys
Peanut Island	0.32 square kilometres (0.12 sq mi)	Palm Beach	Artificial island in Lake Worth Lagoon
Pelican Island	3 acres (1.2 ha)	St. Lucie	In the Indian River
Perdido Key		Escambia	Barrier island
Perico Island		Manatee	In Tampa Bay
Picnic Islands		Miami-Dade	Small group of artificial islands in Biscayne Bay
Pigeon Key	5 acres (2.0 ha)	Monroe	In the middle Florida Keys
Pine Island	18 square miles (47 km²)	Lee	Largest island in Florida
Plantation Key		Monroe	In the upper Florida Keys
Porgy Key		Miami-Dade	In Biscayne National Park
Ragged Keys		Miami-Dade	In Biscayne National Park
Ramrod Key		Monroe	In the lower Florida Keys
Rattlesnake Key		Manatee	In Tampa Bay
Reid Key		Miami-Dade	In Biscayne National Park
Ritta Island	5 square miles (13 km²)	Palm Beach	In Lake Okeechobee
Rivo Alto Island		Miami-Dade	Artificial island in the Venetian Islands in Biscayne Bay
Rockland Key		Monroe	In the lower Florida Keys
Rubicon Keys		Miami-Dade	In Biscayne National Park
Saddlebunch Keys		Monroe	In the lower Florida Keys
Sand Key	95 acres (38 ha)	Pinellas	Barrier island
Sands Key		Miami-Dade	In Biscayne National Park
Sandspur Island	15 acres (6.1 ha)	Miami-Dade	Artificial island in Biscayne Bay
Sanibel Island	33.25 square miles (86.1 km²)	Lee	Barrier island
San Marco Island		Miami-Dade	Artificial island in the Venetian Islands in Biscayne Bay
San Marino Island		Miami-Dade	Artificial island in the Venetian Islands in Biscayne Bay
Santa Rosa Island		Escambia (part) Santa Rosa (part) Okaloosa (part)	Barrier island
Scout Key		Monroe	In the lower Florida Keys
Shark Key		Monroe	In the lower Florida Keys
Shell Key		Pinellas	Barrier island
Siesta Key	8 square miles (21 km²)^[9]	Sarasota	Barrier Island
Sigsbee Park (Dredgers Key)		Monroe	Artificial island in the lower Florida Keys
Singer Island		Palm Beach	Barrier peninsula
Snead Island	0.75 square miles (1.9 km²)^[10]	Manatee
Soldier Key		Miami-Dade	In Biscayne National Park
Spanish Harbor Key		Monroe	In the lower Florida Keys
St. Armands Key	83.6 acres (33.8 ha)	Sarasota	In Sarasota Bay
St. George Island	28 square miles (73 km²)	Franklin	Barrier island
St. James Island		Franklin	Separated from the mainland by the Crooked River
St. Vincent Island		Franklin	Barrier island
Star Island	0.4 square miles (1.0 km²)	Miami-Dade	Artificial island in Biscayne Bay
Stock Island		Monroe	In the lower Florida Keys
Sugarloaf Key		Monroe	In the lower Florida Keys
Summerland Key		Monroe	In the lower Florida Keys
Sunset Key	27 acres (11 ha)	Monroe	In the lower Florida Keys
Tea Table Key		Monroe	In the Florida Keys
Ten Thousand Islands		Collier (part) Monroe (part)	Chain of islands
Thousand Islands		Brevard	Group in the Banana River
Three Rooker Island		Pinellas	Barrier island
Torch Keys (Big, Little, and Middle Torch Keys)		Monroe	In the lower Florida Keys
Totten Key		Miami-Dade	In Biscayne National Park
Treasure Island		Pinellas	Barrier island
Upper Matecumbe Key		Monroe	In the upper Florida Keys
Useppa Island	1 square mile (2.6 km²)	Lee	In Pine Island Sound
Venetian Islands		Miami-Dade	Group of artificial islands in Biscayne Bay
Venice Island	16.81 square miles (43.5 km²)	Sarasota	Barrier island
Virginia Key	863 acres (349 ha)	Miami-Dade	Barrier island
Watson Island	179 acres (72 ha)	Miami-Dade	Artificial island in Biscayne Bay
Windley Key		Monroe	In the upper Florida Keys
Wisteria Island	10.6 ha; 26.3 acres	Monroe	In the lower Florida Keys
Woman Key	31.8 ha; 78.5 acres	Monroe	In the lower Florida Keys

References

^ ^a ^b Bernie McGovern, Florida Almanac (2007-08 ed.).
^ "Amelia Island Visitor Guide" (PDF). Retrieved January 26, 2021.
^ "St. Augustine Beach & Anastasia Island". St Augustine Florida Vacation Guide. Retrieved 2021-01-27.
^ Wells, Stephen (2009-01-08). "The Other Boca, the One Without the Flash". The New York Times. ISSN 0362-4331. Retrieved 2020-04-19.
^ "Hypoluxo, Florida". www.pbchistoryonline.org. Retrieved 2021-01-24.
^ "Lignumvitae Key State Botanical Site". www.abfla.com. Retrieved 2021-01-27.
^ "The Florida Keys: Lignumvitae Key Botanical State Park". Visit Florida. Retrieved 2021-01-27.
^ Brinkmann, Paul (January 17, 2014). "Sale still pending on rock star's former private island". South Florida Business Journal. Retrieved January 31, 2021.
^ "About Siesta Key | Siesta Key Visitor Information | Siesta Key Tourist Attractions". www.siestakeychamber.com. Retrieved 2020-04-19.
^ "Islands in the Stream". Sarasota Magazine. Retrieved 2020-04-19.

[Almanac-1] Bernie McGovern, Florida Almanac (2007-08 ed.).

[2] "Amelia Island Visitor Guide" (PDF). Retrieved January 26, 2021.

[3] "St. Augustine Beach & Anastasia Island". St Augustine Florida Vacation Guide. Retrieved 2021-01-27.

[4] Wells, Stephen (2009-01-08). "The Other Boca, the One Without the Flash". The New York Times. ISSN 0362-4331. Retrieved 2020-04-19.

[5] "Hypoluxo, Florida". www.pbchistoryonline.org. Retrieved 2021-01-24.

[6] "Lignumvitae Key State Botanical Site". www.abfla.com. Retrieved 2021-01-27.

[7] "The Florida Keys: Lignumvitae Key Botanical State Park". Visit Florida. Retrieved 2021-01-27.

[8] Brinkmann, Paul (January 17, 2014). "Sale still pending on rock star's former private island". South Florida Business Journal. Retrieved January 31, 2021.

[9] "About Siesta Key | Siesta Key Visitor Information | Siesta Key Tourist Attractions". www.siestakeychamber.com. Retrieved 2020-04-19.

[10] "Islands in the Stream". Sarasota Magazine. Retrieved 2020-04-19.

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