Islands in South America Ranked by Population
Islands recorded in Wikidata, ranked by Population. Only items Wikidata places in South America (directly or through their country) are included. Source: Wikidata (CC0 1.0 (public domain)).
Summary
Margarita Island ranks #1 with 489,917 people. Ilha do Governador is second with 450,000 people, 8.9% behind. The top five are Margarita Island, Ilha do Governador, Marajó, Isla Grande de Tierra del Fuego and Chiloé Island. The median across all 34 is 3,051 people; Cabaçal island is last at 43 people.
- #1
- Margarita Island · 489,917 people
- Median
- 3,051 people
- Coverage
- 34 islands in South America
- Data year
- As recorded in Wikidata
- Last updated
- 2026-11-14
Full ranking
| Rank | Island | Location | Population (people) |
|---|---|---|---|
| 1 | Margarita Island | Venezuela, RB | 489,917 |
| 2 | Ilha do Governador | Brazil | 450,000 |
| 3 | Marajó | Brazil | 419,744 |
| 4 | Isla Grande de Tierra del Fuego | Chile, Argentina | 200,000 |
| 5 | Chiloé Island | Chile | 150,000 |
| 6 | Itaparica Island | Brazil | 58,292 |
| 7 | Cayo Sombrero | Venezuela, RB | 25,883 |
| 8 | Tierra Bomba Island | Colombia | 18,000 |
| 9 | Santa Cruz Island | Ecuador | 15,701 |
| 10 | Coche Island | Venezuela, RB | 8,242 |
| 11 | Quinchao Island | Chile | 7,984 |
| 12 | Puná Island | Ecuador | 6,500 |
| 13 | San Cristóbal Island | Ecuador | 5,500 |
| 14 | Easter Island | Chile | 4,800 |
| 15 | Lemuy Island | Chile | 4,125 |
| 16 | Amantaní | Peru | 3,663 |
| 17 | Fernando de Noronha | Brazil | 3,101 |
| 18 | Isabela Island | Ecuador | 3,000 |
| 19 | Ilha Grande | Brazil | 3,000 |
| 20 | Fuerte Island | Colombia | 2,500 |
| 21 | Taquile Island | Peru | 1,700 |
| 22 | Robinson Crusoe Island | Chile | 1,083 |
| 23 | Santa Cruz del Islote | Colombia | 816 |
| 24 | Mocha Island | Chile | 740 |
| 25 | Caguach | Chile | 515 |
| 26 | Dawson Island | Chile | 301 |
| 27 | Wellington Island | Chile | 250 |
| 28 | Martín García Island | Argentina | 200 |
| 29 | Santa Catalina Island | Colombia | 200 |
| 30 | Riesco Island | Chile | 156 |
| 31 | Floreana Island | Ecuador | 100 |
| 32 | Alejandro Selkirk Island | Chile | 65 |
| 33 | Cubagua | Venezuela, RB | 51 |
| 34 | Cabaçal island | Brazil | 43 |
About the top 10
#1 Margarita Island
Margarita Island ranks #1 on this list with 489,917 people.
- Country
- Venezuela, RB
- Length
- 69 km
- Area
- 1,020 km²
Also ranks #73 in population.
#2 Ilha do Governador
Ilha do Governador ranks #2 on this list with 450,000 people.
- Country
- Brazil
- Elevation
- 25 m
- Area
- 36.1 km²
Also ranks #77 in population.
#3 Marajó
Marajó ranks #3 on this list with 419,744 people.
- Country
- Brazil
- Length
- 297 km
- Elevation
- 19 m
- Area
- 40,100 km²
Also ranks #36 in area · #54 in population density · #81 in population.
#4 Isla Grande de Tierra del Fuego
Isla Grande de Tierra del Fuego ranks #4 on this list with 200,000 people.
- Countries
- Chile, Argentina
- Elevation
- 2,488 m
- Area
- 47,992 km²
Also ranks #30 in area · #61 in population density.
#5 Chiloé Island
Chiloé Island ranks #5 on this list with 150,000 people.
- Country
- Chile
- Length
- 180 km
- Elevation
- 491 m
- Area
- 8,394 km²
Also ranks #49 in population density · #98 in area.
#6 Itaparica Island
Itaparica Island ranks #6 on this list with 58,292 people.
- Country
- Brazil
- Elevation
- 21 m
- Area
- 146 km²
#7 Cayo Sombrero
Cayo Sombrero ranks #7 on this list with 25,883 people.
- Country
- Venezuela, RB
- Elevation
- 3 m
- Area
- 0.35 km²
#8 Tierra Bomba Island
Tierra Bomba Island ranks #8 on this list with 18,000 people.
- Country
- Colombia
- Length
- 7 km
- Elevation
- 73 m
- Area
- 19.8 km²
#9 Santa Cruz Island
Santa Cruz Island ranks #9 on this list with 15,701 people.
- Country
- Ecuador
- Length
- 43 km
- Elevation
- 864 m
- Area
- 979 km²
#10 Coche Island
Coche Island ranks #10 on this list with 8,242 people.
- Country
- Venezuela, RB
- Length
- 11 km
- Elevation
- 28 m
- Area
- 61 km²
Profile facts: Wikidata (CC0).
Source and method
Islands recorded in Wikidata, ranked by Population. Only items Wikidata places in South America (directly or through their country) are included.
Source: Wikidata. Licence: CC0 1.0 (public domain). Retrieved: 2026-11-14.
Data: Wikidata (CC0)
Values are shown as published. Provider terms: Wikidata. All licences: Sources & licences.