Lake Retba, or as the French refer to it Lac Rose, is situated north of the Cap Vert Peninsula in Senegal, northeast of Dakar. The lake's harmless bacteria makes it pink while it's high salt content makes in easy to float on
Pink Lake Hillier, Australia: The distinctive color is due not to pollution, but is due to a green alga Dunaliella salina, halobacterium Halobacteria cutirubrum, and/or high concentration of brine prawn. Once the lake water reaches a salinity level great
Las Coloradas, Yucatan, Mexico ("In Las Coloradas, Mexico, a pink sea exists. The small fishing village on the Yucatán Peninsula is home to tinted waters — thanks to unusually high quantities of tiny brine shrimp.
Lake Retba In Senegal Looks Like A Giant Strawberry Milkshake. That's because the blood red colour is caused by high levels of algae due to high salt content - with some areas containing up to 40 per cent of it.