Minecraft Wiki:Projects/Structure Blueprints/Ocean Monument

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Ocean Monument
These huge structures known as Ocean Monuments, Water Temples, etc. generate in Deep Ocean biomes. Below are instructions on how to recreate your own.

Considerations

 * Ocean Monuments generate with water source blocks instead of air. For simplicity, the below blueprints use air, but you may wish to add water in place of air. To do this, you will need to begin on a completely solid surface and lay down water source blocks as you go.
 * If it has no water, Ocean Monuments have inaccessible floors (floors that can't be reached by jumping) in Survival mode. You may need to add some water or additional blocks to access the upper floors.
 * A player-made Ocean Monument will not spawn Guardians or Elder Guardians, even if flooded. The only way is to use a Spawn Egg.

Requirements
Space: A 58 * 58 block area to build in. A height of at least 22 blocks; more if foundational pillars are desired.

Resources
(Sometimes these numbers are not precise, so get more just in case)
 * 10 Dark Prismarine
 * 148 Prismarine
 * 284 Prismarine Bricks
 * 10 Sea Lanterns

Blueprint
To save space, some layers will begin at an offset. The top-left corner is at coordinate (1,1). The bottom-right corner is at coordinate (58,58). The monument entrance is at the bottom of the blueprints.

Layer 22
This layer begins at coordinate (28,28).

Layer 21
This layer begins at coordinate (27,27).

Layers 20-18
These layers begin at coordinate (26,26).

Layer 17
This layer begins at coordinate (25,25). For clarity: The edge blocks are Prismarine Bricks. The inner blocks are Prismarine.

Layer 16
This layer begins at coordinate (24,24). To save space, this blueprint covers the area (24,24) to (29,35). This layer is symmetrical. Flip it along the vertical axis to get the area (30,24) to (35,35). (That is, mirror the below design to get the other half of the layer.)

Layer 15
This layer begins at coordinate (23,23). To save space, this blueprint covers the area (23,23) to (29,36). This layer is symmetrical. Flip it along the vertical axis to get the area (30,23) to (36,36).

Layer 14
This layer begins at coordinate (20,20). To save space, this blueprint covers the area (20,20) to (29,37). This layer is symmetrical. Flip it along the vertical axis to get the area (30,20) to (39,37).

Layer 13
This layer begins at coordinate (13,9). To save space, this blueprint covers the area (13,9) to (29,37). This layer is symmetrical. Flip it along the vertical axis to get the area (30,9) to (46,37).

(In progress: Remaining layers)