Sargasso Sea

American  

noun

1. a relatively calm area of water in the N Atlantic, NE of the West Indies.

---

Sargasso Sea British  

noun

1. a calm area of the N Atlantic, between the Caribbean and the Azores, where there is an abundance of floating seaweed of the genus Sargassum

---

Example Sentences

See Examples For:

Sargasso Sea

This timing is notable because in 2010 strong winds transported brown algae from the Sargasso Sea into the tropical Atlantic for the first time.

From Science Daily ● Nov. 19, 2025

Soon, mounds of unsightly sargassum – carried by currents from the Sargasso Sea and linked to climate change – were carpeting the region’s prized coastlines, repelling holidaymakers with the pungent stench emitted as it rots.

From BBC ● Nov. 24, 2024

Rachel Carson, for her part, rejected the long-held notion that the algae had been responsible for stranding ships in the 1400s, pointing out that even in the Sargasso Sea, it wasn’t concentrated enough for that.

From Slate ● Jul. 16, 2023

An effort led by the government of Bermuda is advocating for the Atlantic Ocean’s Sargasso Sea, which also contains a garbage patch, to be named a marine protected area.

From Science Magazine ● May 17, 2023

Spread out to avoid detection, the four Soviet subs reached the Sargasso Sea, off the southeast coast of the United States, on October 19.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin