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seedlookoutJAVA + BEDROCK

JAVA 26.3 · VERIFIED IN GAME

Mushroom island offshore, with a pillager outpost by a dappled forest

A small grey mushroom island with red and brown giant mushrooms sits in open sea, with a pillager outpost on a grassy coast inland.

Mushroom fieldsIslandDappled forestOceanTrail ruinsRuined portal
Small grey island with red giant mushrooms in open blue sea, a distant coast on the horizon
The mushroom island at 74, 63, 34, seen from the west.From 4, 98, 34, facing east

About this world

This seed puts a small mushroom island at 74, 63, 34, close to 0, 0. Grey mycelium hills rise out of open blue sea, topped with red and brown giant mushrooms. A long coast with green hills and red and orange trees runs along the horizon to the west.

A pillager outpost stands on open grassland at -224, 63, -240, about 405 blocks north-west of the island, with a dappled forest of red, orange and yellow trees along its east side. A ruined portal is buried far under a grassy peninsula at 48, 72, -272, about 275 blocks east of the outpost. Trail ruins lie under the floor of a forested bay at -480, 48, 16, about 555 blocks west of the island. Seeder lists this world on its Mushroom Fields page.

Coordinates

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

LocationXYZTeleport
Mushroom fieldsA small island of grey mycelium in open sea, covered in red and brown giant mushrooms. Shallow water rings its shore.Mushroom fields biome found at these coordinates746334
Pillager outpostA dark wooden outpost tower on rolling grassland, with a dappled forest of red, orange and yellow trees to the east. Small lakes, the coast and a grey rock peak lie to the north.Pillager outpost found at these coordinates-22463-240
Ruined portalThe surface here is a grassy peninsula with sandy patches, edged by dappled forest along a river. The portal is buried about 110 blocks below, between y -45 and -38, and does not show from above.Ruined portal found at these coordinates4872-272
Trail ruinsA wide bay with sandy beaches, ringed by dense dark forest. The ruins lie buried below the bay floor near the shore, between y 42 and 63, so nothing shows from above.Trail ruins found at these coordinates-4804816

Screenshots

Red and brown giant mushrooms on grey mycelium in the foreground, open sea and a green coast behind
Giant mushrooms on the island, looking west toward the coast.From 144, 98, 34, facing west
Dark wooden outpost tower on green grassland, red and orange trees to the right, a grey rock peak behind
The pillager outpost beside the dappled forest.From -224, 111, -170, facing north
Outpost tower on rolling grass hills behind a row of orange and red trees, lakes and forest beyond
The outpost at -224, 63, -240, seen from the east.From -154, 98, -240, facing west
Wide blue bay with sandy beaches, ringed by dense dark green forest
The bay over the buried trail ruins at -480, 48, 16.From -479, 120, -53, facing south

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 5096040350616420880.
  2. Set Game Mode to Creative or turn Allow Cheats on, and press F3 to show your coordinates.
  3. Run /tp @s 74 100 34 to arrive above the mushroom island.
  4. For the pillager outpost, run /tp @s -224 98 -240.
  5. The ruined portal is buried deep under 48, 72, -272. Use /gamemode spectator and /tp @s 42 -41 -268, or dig down about 110 blocks with torches in survival.
  6. The trail ruins are underground at -480, 48, 16, below the bay floor. Run /tp @s -480 48 16 and bring torches or night vision in survival.

Questions

How big is the mushroom island on seed 5096040350616420880?

It is small. The island at 74, 63, 34 is a few low hills of grey mycelium with red and brown giant mushrooms, surrounded by open sea on all sides.

Where is the pillager outpost?

At -224, 63, -240, about 405 blocks north-west of the mushroom island. It stands on open grassland with a dappled forest of red and orange trees along its east side.

Why can't I see the ruined portal or the trail ruins?

Both are buried. The portal sits between y -45 and -38 under a grassy peninsula at 48, -272. The trail ruins lie under the floor of a bay at -480, 16, between y 42 and 63. Dig down or use spectator mode to reach them.

Does this seed work on Bedrock or other versions?

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 2026-09-30, 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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