Featured image: Philippe Rouja free diving under Sargassum in Challenger Banks, Bermuda (c) David Doubilet
SARGASSO SEA, NORTH ATLANTIC OCEAN (March 11th, 2022)

Often referred to as “the floating golden rainforest of the Atlantic Ocean”, the Sargasso Sea covers an impressive two million square miles of water. It has no land boundaries: rather, the area of the Sargasso Sea is defined by the whirling grasp of major currents within the North Atlantic Gyre. Vast mats of sun-soaked, free-floating yellow Sargassum seaweed bob at the surface under distinctively calm air. 
 
 
The Sargasso Sea is a high seas ecosystem – it lies outside of the boundaries of any country. The high seas make up more than 60% of the ocean and while they possess deeply important biological diversity, they remain some of the least protected places on the planet.…