List of beaches in Indonesia
Beaches in Indonesia are extensive, characterized by coral reefs, deposits from volcanoes, rich marine biodiversity, strong ocean currents, and associated with diverse cultural traditions. With around 17,500 islands, Indonesia has an intricate coastline of over 80,000 km (50,000 mi), the fourth longest in the world.
Source: Wikipedia — List of beaches in Indonesia (CC BY-SA 4.0)