Coral reef

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Coral reef
Coral Reef.png
Consists of
Can generate in
existing chunks


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Coral reefs are structures that generate in warm ocean biomes. They consist of multiple clusters of coral blocks, coral and coral fans. These clusters come in a wide variety of shapes, sizes, and colors, ranging from a few blocks of brain coral on the ground to large tree-like structures of fire coral.


Coral reefs generate throughout warm ocean biomes (though not deep warm oceans), densely covering the sea floor. Coral reefs generate at constant elevation y level. Although they can generate on underwater ravine floors, they do not generate on deep ocean floors.

In Bedrock Edition, the coral reef structures are stored in the coralcrust folder.[more information needed] Therefore, players can manually load every piece of coral reef structure using structure blocks, for example: coralcrust/outcropping1 loads one of coral reef variant structure.


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The specific instructions are: renders of each structure

A coral reef consists of a few clusters of coral blocks, each of a particular type. Sometimes, these clusters include dead coral, andesite, diorite, or granite blocks.‌[Bedrock Edition only]

Coral reefs are usually topped with coral, and sometimes coral fans and sea pickles. The coral and coral fans are not necessarily the same type of coral as their support blocks; in fact there are often multiple types on the same reef. In Bedrock Edition, coral reefs occasionally include dead coral fans.


  • crust1
  • crust2
  • crust3
  • crust4
  • crust5
  • outcropping1
  • outcropping2
  • outcropping3
  • outcropping4
  • outcropping5
  • outcropping6

[more information needed]


Java Edition
1.1318w10dAdded coral reefs, previously teased at MINECON Earth 2017.
18w16aCoral fans now generate in coral reefs.
pre1The title screen panorama now showcases a coral reef.
1.14November 28, 2018A hotfix for 1.14 snapshots replaces the title screen panorama, which no longer shows a coral reef.
Bedrock Edition
1.4.0beta coral reefs.
1.5.0beta title screen panorama now showcases a coral reef.
1.8.0beta title screen no longer showcases a coral reef.


Issues relating to "Coral reef" are maintained on the bug tracker. Report issues there.