🪓 Reefs of the World

These are notable reefs — ridges of rock, coral or shell near the sea’s surface that have wrecked ships, fed communities and built some of the richest ecosystems on Earth, from coral gardens to kelp-lined rock shelves. Each profile shows where the reef lies, which country it is in, and a plain-English introduction from Wikipedia.

197 reefs from 49 countries are covered below, grouped by continent. Open any reef for its full profile.

Africa (10) Americas (29) Antarctica (7) Asia (46) Europe (48) Oceania (50)

Africa (10 reefs)

Americas (29 reefs)

Antarctica (7 reefs)

Asia (46 reefs)

Europe (48 reefs)

Oceania (50 reefs)

Coordinates are approximate locations. Descriptions: Wikipedia (CC BY-SA 4.0), cached on our server. Data sourced from Wikidata. Related: Mountains · Lakes · Islands · World Heritage.