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seedlookoutJAVA + BEDROCK

JAVA 26.3 · VERIFIED IN GAME

Ocean monument between a mushroom island and a desert coast

An ocean monument in shallow turquoise water, with a mushroom island to the west and sandy desert and badlands shores to the east.

Ocean monumentMushroom fieldsIslandRuined portalTrial chambersOcean
Ocean monument outline under turquoise water and seagrass, a mushroom island with red caps on the horizon
The ocean monument with the mushroom island behind it.From 166, 98, -144, facing west

About this world

This ocean monument seed has a monument at 96, 63, -144 in shallow turquoise water. Its stepped prismarine outline shows clearly through the seagrass from above. A large mushroom island with huge red and brown mushrooms lies to the west, and to the east the coast is sand dunes, orange badlands terracotta and a grey stone hill.

The mushroom fields at -98, 63, -130 are about 195 blocks west of the monument. An ocean ruined portal lies on the sea floor at 80, 63, 16, about 160 blocks south of the monument, and trial chambers sit underground at 0, -27, 0, directly under the world's centre point. Seeder lists this world on its Monument / Mushroom Fields page.

Coordinates

Each structure and biome was found at or near these coordinates in Java 26.3.

LocationXYZTeleport
Ocean monumentA prismarine monument under shallow turquoise water and seagrass, with sandy and badlands shores to the east.Ocean monument found at these coordinates9663-144
Mushroom islandA wide mycelium island with dirt cliffs and many huge red and brown mushrooms, surrounded by ocean.Mushroom fields biome found at these coordinates-9863-130
Ocean ruined portalThe portal lies on the sea floor at y 41 to 48, near a sandy shore, and shows only as a small pale shape through the water.Ruined portal found at these coordinates806316
Trial chambersTuff brick and copper halls with oxidized copper floors and copper bulbs, next to a deepslate cave. The structure spans y -32 to 22.Trial chambers found at these coordinates0-270

Screenshots

Ocean monument in shallow turquoise water in front of sand dunes and orange badlands terracotta on the shore
The monument from the west, with desert and badlands shores.From 26, 98, -144, facing east
Mycelium island covered in huge red and brown mushrooms with dirt cliffs dropping into the ocean
The mushroom island at -98, 63, -130.From -98, 98, -60, facing north
Shallow turquoise sea with seagrass, a mushroom island on the left and a sandy shore on the right
Looking north over the ocean portal site; the portal is on the sea floor.From 80, 98, 86, facing north
Cutaway of trial chambers with tuff brick walls, copper blocks and oxidized copper floors above a dark cave
The trial chambers under 0, 0, a cutaway taken from inside the rock.From 1, -25, -1, facing north

Select a screenshot to open it at full size.

How to get there

  1. In Java Edition 26.3, choose Create New World, open the World tab and enter seed 38756481678573377.
  2. Set Game Mode to Creative or turn Allow Cheats on, and press F3 to show your coordinates.
  3. Run /tp @s 96 95 -144 to arrive above the ocean monument.
  4. For the mushroom island, run /tp @s -98 95 -130. For the ocean ruined portal, run /tp @s 80 95 16 and dive to the sea floor.
  5. The trial chambers are underground at 0, -27, 0. Switch to spectator with /gamemode spectator and run /tp @s 0 -27 0, or dig down in survival with torches or night vision.

Questions

How close is the mushroom island to the ocean monument?

About 195 blocks west. The monument is at 96, 63, -144 and the mushroom fields at -98, 63, -130. The island is in view from above the monument.

Where are the trial chambers on seed 38756481678573377?

Underground at 0, -27, 0, under the world's centre point. The structure spans y -32 to 22, so you reach it by digging down at X 0, Z 0.

Can you see the ocean ruined portal from the surface?

Barely. It lies on the sea floor at y 41 to 48 near 80, 63, 16 and shows only as a small pale shape through the water.

Does this ocean monument seed work on Bedrock?

We verified it only in Java 26.3. Bedrock and other Java versions may generate a different world from the same seed.

Verification

We verified this seed by hand in Java 26.3 on 2026-09-29, and the screenshots come from the game. Verification covers the listed structures and biomes in that version only, not the world spawn, chest loot or other versions. About verified seeds

Biome map

The seed map shows this world’s biomes and predicted structures with its Java 26.3 model. Its markers are predictions; the coordinates above are verified.

Open the Java 26.3 seed map
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