Why is the Caribbean water so blue and clear?

White sand, no silt and shallow water are the main reasons for the pale blue/green colour of the carribean waters. The areas that have the cleanest, clearest waters are regions where the islands are surrounded by coral reefs, the white sand is coral debris and fragments of sea shell.



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The Weddell Sea has been claimed by scientists to have the clearest waters of any ocean in the world. Described by a historian as “the most wretched and dismal region on earth”, due to the flash freezes that caught Shackleton's ship, its clarity is only belied by the sheer depth of the ocean below.

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Because the tropics have warm surface water, even in the winter, the thermocline never goes away, and the nutrients stay trapped down below in the depths. So even with ample sunlight, phytoplankton growth is severly limited. In the tropics, predators like coral make good use of what little plankton there is.

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Ocean water is clear due to the shallow sandy plateau of the Bahamas. Ocean depths are only 10 — 30m with white sand bottom for miles around the islands. Crystal clear.

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The Atlantic Ocean enters the Mediterranean Sea through the narrow Gibraltar Strait. As a result, the Mediterranean Sea has almost no tides, which means that coastline construction has historically been situated very close to the water—closer than in other coastal countries directly exposed to the daily ocean tides.

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Several pathways and types of land-based pollution contribute to the environmental issues within the Caribbean Sea. Sewage is one of the most significant pollutants affecting the coastal environments of the Caribbean Sea, especially in the developing nations.

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Nissi Bay Beach, Ayia Napa, Cyprus It's located on the island of Cyprus, which is known to have some of the clearest waters in all of Europe. A tiny strip of soft, pale sand divides two sections of light blue shallows, ensuring picturesque views no matter where you set up camp.

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While there are a few places that boast extremely clean water, such as Canada, Iceland, Antarctica, or even Upstate New York, the team of scientists determined that the cleanest water in the world was in the Patagonia region of Chile, Puerto Williams.

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With some of the world's best islands, it's no surprise that the Maldives is a favorite destination for travelers who want to be surrounded by the clearest water in the world.

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