barrier island

noun

: a long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean

Examples of barrier island in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The neighborhood / area Key Biscayne is a barrier island across from downtown Miami. Condé Nast, Condé Nast Traveler, 8 Jan. 2026 Hurricane Milton also opened Milton Pass, slicing Stump Pass Beach State Park in half and destabilizing nearby barrier islands, which could lead to worsening beach erosion. Jack Prator, The Orlando Sentinel, 5 Jan. 2026 The surrounding area in Boca Grande on Gasparilla Island, one of the barrier islands on Florida’s southwest coast, is an idyllic vacation destination, particularly great for families. Jess Feldman, Travel + Leisure, 4 Jan. 2026 Louisiana’s only inhabited barrier island, Grand Isle, is a secret paradise with some of the best fishing in the world. Kristy Christiansen, Southern Living, 31 Dec. 2025 See All Example Sentences for barrier island

Word History

First Known Use

1773, in the meaning defined above

Time Traveler
The first known use of barrier island was in 1773

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Cite this Entry

“Barrier island.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barrier%20island. Accessed 11 Jan. 2026.

Kids Definition

barrier island

noun
: a long broad sandy island parallel to a shore that is built up by the action of waves, currents, and winds

More from Merriam-Webster on barrier island

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