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Ocean arena
Minecraft build “Ocean arena”: 2,013 blocks, 47s to watch, from “an ocean arena”. You will see prismarine bricks, prismarine.

Isometric preview rendered by Blocksmith from this build. Not a Minecraft screenshot, and not a Mojang texture. Drag to look closer, or use the buttons. One rendered angle: this page does not include the scene block coordinates, so it is not a 3D model.
Build this yourself
The offline reader builds “an ocean arena” on your computer, so this one does not spend an AI wish. Players 13 and over sign in with a verified email. A new account includes 3 starter AI wishes. Plus is for a sentence the reader does not already understand. Players under 13 stay anonymous and offline.
Mac and Windows. On a phone, we email the link to your computer.
What you typed
an ocean arena
The offline reader calls this Ocean Arena. The size is small. Walls are prismarine bricks, the roof is dark prismarine, and the trim is prismarine. No height was set, so the plan uses its usual height for this size. It uses the stock arena plan.
This build has 2,013 blocks, 2,013 of them solid. The three most common are prismarine bricks (1,004), prismarine (726), sand (228). Watch plays for 47 seconds, the length of this build’s timelapse. The seed is 3383084307, taken from the sentence, so the same words build the same thing offline.
Materials
Counted from the blocks in this build. The cubes are drawn by Blocksmith, not taken from the game. Air is not listed.
| Material | Block id | Count |
|---|---|---|
| prismarine bricks | prismarine_bricks | 1,004 |
| prismarine | prismarine | 726 |
| sand | sand | 228 |
| stone brick stairs | stone_brick_stairs | 44 |
| glowstone | glowstone | 11 |
| Name | Ocean Arena |
|---|---|
| Seed | 3383084307 |
| Solid blocks | 2,013 |
| Style | Prismarine |
| Biome | Ocean |
| Size | Small builds |
More in Arenas, Prismarine and the full gallery.
How to build Ocean arena in Minecraft
How to build Ocean arena in Minecraft starts with one sentence. The steps below use the blocks Blocksmith actually placed, not a borrowed schematic.
- Type the sentence. Open Blocksmith and type “an ocean arena”. The offline reader already knows this arena, so building it does not spend an AI wish.
- Read what it counted. This copy is small builds, tagged prismarine and ocean. It has 2,013 blocks, 2,013 of them solid. The three most common are prismarine bricks (1,004), prismarine (726), sand (228).
- Place it in a world. Export the datapack into a Minecraft: Java Edition world, run /reload, then /function blocksmith:build. /function blocksmith:watch plays the timelapse, which runs 47 seconds for this build.
More ideas: Minecraft build ideas. Install steps: how to install a datapack.
Questions
How many blocks is Ocean arena?
2,013 blocks, 2,013 of them solid. The seed is 3383084307, so the same sentence builds the same shape offline.
What sentence builds Ocean arena?
Type “an ocean arena”. The block count and the material list on this page were counted from that build.
Is Ocean arena an official Minecraft build?
No. Blocksmith made the preview and the datapack. It is not a Mojang schematic and it is not approved by Mojang or Microsoft.





