Sargasso Sea

American  

noun

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

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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

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Example Sentences

When the fish traveled from the Slope Sea into the clearer waters of the Sargasso Sea, researchers observed noticeable changes in their migration patterns.

From Science Daily • Dec. 28, 2025

"And we've still yet to see breeding at the Sargasso Sea."

From BBC • Aug. 30, 2025

“I was sailing in the Sargasso Sea constantly and seeing this incredible ecosystem that we would pass by and collect in our nets and examine,” she said.

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

During one of the few lulls in the storm, Dad leaned back slightly and asked, "What do the turtles do after they’ve finished their five to ten years in the Sargasso Sea?"

From "The View From Saturday" by E.L. Konigsburg