Caye Sable

{{Short description|Densely populated island of Haiti}}

{{One source|date=July 2024}}

{{Infobox islands

| name = Caye Sable

| native_name = Kay Sab

| native_name_lang = ht

| image_name = Caye Sable 4.png

| image_map = Caye Sable.jpg

| map_caption =

| pushpin_map = Haiti

| pushpin_map_caption =

| coordinates = {{Coord|18|41|42|N|72|45|47|W|display=it}}

| country = {{flag|Haiti}}

| country_admin_divisions_title = Department

| country_admin_divisions = Ouest

| country_admin_divisions_title_1 = Arrondissement

| country_admin_divisions_1 = La Gonâve

| country_admin_divisions_title_2 = Commune

| country_admin_divisions_2 = Anse-à-Galets

| area_ha = 0.16

| dimensions_footnotes =

| elevation_m =

| population = 250

| density_km2 = 156,250

}}

Caye Sable ({{Langx|ht|Kay Sab}}) is a cay of Haiti located in the Anse-à-Galets commune, about {{convert|50|km}} west of Port-au-Prince. It is known for being the most densely populated island in the world, with around 250–300 people sharing an area of {{convert|0.16|ha}} among about 75 houses, making for a population density of {{convert|156,250|/km2|/mi2|disp=preunit|people|people|abbr=on}}.{{cite web | url=https://www.3bmeteo.com/giornale-meteo/caye-sable--haiti--un-puntino-sovraffollato-nel-mar-dei-caraibi-185493 | title=Caye Sable, Haiti. Un puntino sovraffollato nel Mar dei Caraibi. VIDEO | work=3bmeteo.com | date=26 March 2018 | accessdate=6 December 2021 | author=Migliore, Carlo}}{{better source needed|date=July 2024}} It is accessible by small boats from the village of Petite Anse, in the extreme south of Gonâve Island. There is no source of fresh water on the island.