JAVA 26.3 · VERIFIED IN GAME

Mushroom island in a frozen sea of icebergs

Page updated October 4, 2026

A flat mushroom island with huge red and brown mushrooms sits in a deep frozen sea crowded with pale blue icebergs.

Shipwreck

Trial chambers

Mushroom fields

Island

Ocean

Snow

Flat mushroom island with red and brown giant mushrooms in a deep blue sea full of pale blue icebergs — The mushroom island among the icebergs, seen from the north.From 2, 100, -180, facing south

Screenshots

Grey mycelium shore with huge red and brown mushrooms, icebergs in the water and a snowy forested cliff behind — The island's edge, looking west.From 72, 100, -110, facing west

Wide view of red and brown mushroom caps on an island, icebergs across the sea and a snowy cliff coast beyond — Wide view over the island and the frozen sea.From 122, 145, 10, facing north-west

Tuff brick and copper walls with a teal copper floor, a dark cave opening on the left — Inside the trial chambers at y -25.From 15, -23, -303, facing south

Snowy spruce forest on a stone headland beside frozen water with icebergs — The snowy coast over the buried ruined portal.From 152, 147, -344, facing north-west

Select a screenshot to open it at full size.

Biome map

Open the Java 26.3 seed map

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Drag to pan, scroll or pinch to zoom. Select a marker to find it in the list.

The seed map shows this world’s biomes and predicted structures with its Java 26.3 model. Its markers are predictions, like the spawn facts. Only the Coordinates table was checked in game.

Seed

-7078951977818456085

Create a Java 26.3 world and enter this number exactly, including any minus sign. A seed recreates generated terrain, not player builds.

Coordinates

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

Location	X	Y	Z
Mushroom fieldsA flat island of grey mycelium dotted with huge red and brown mushrooms, surrounded by icebergs in a frozen ocean.Mushroom fields biome found at these coordinates	2	65	-110
ShipwreckSunk between y 49 and 57, under icebergs and patches of sea ice. It does not show clearly from above the water.Shipwreck found at these coordinates	-272	63	-80
Trial chambersTuff brick and copper rooms with teal copper floors beside a large deepslate cave. The structure runs from y -35 up to y 24.Trial chambers found at these coordinates	16	-25	-304
Buried ruined portalBuried deep underground between y -42 and -35, just east of the listed point. The surface above is snowy spruce forest on a stone coast by the frozen sea.Ruined portal found 1 block away	32	63	-464

About this world

This seed puts a mushroom island at 2, 65, -110, about 110 blocks north of 0, 0. The island is low and flat, covered in grey mycelium and huge red and brown mushrooms. All around it is a deep frozen ocean crowded with pale blue icebergs. A snowy spruce coast with grey stone cliffs rises beyond the ice.

A shipwreck lies underwater about 275 blocks west of the island, at -272, 63, -80, among more icebergs. Trial chambers are underground about 195 blocks north of the island at 16, -25, -304, and a ruined portal is buried deep under a snowy spruce coast another 160 blocks north, at 32, 63, -464.

How to get there

In Java Edition 26.3, choose Create New World, open the World tab and enter seed -7078951977818456085, including the minus sign.
Set Game Mode to Creative or turn Allow Cheats on, and press F3 to show your coordinates.
Run /tp @s 2 100 -110 to arrive above the mushroom island.
For the shipwreck, run /tp @s -272 95 -80, then dive to about y 50.
For the trial chambers, run /tp @s 16 -25 -304. They are underground, so bring torches or night vision in survival.
The ruined portal is buried far below 32, 63, -464, between y -42 and -35. Use /gamemode spectator and /tp @s 37 -39 -460 to reach it, or dig down in survival.

Questions

How far is the mushroom island from 0, 0?

About 110 blocks north. The island's listed point is 2, 65, -110, and it sits in a frozen ocean full of icebergs.

Can I see the shipwreck from the surface?

Not clearly. It lies between y 49 and 57 at -272, -80, under icebergs and sea ice, so dive down to find it.

Where are the trial chambers?

Underground at 16, -25, -304, about 195 blocks north of the mushroom island. The structure reaches from y -35 up to y 24.

Does this seed work on Bedrock or other Java versions?

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

Verified in game

Verified in game in Minecraft Java 26.3 on 2026-09-30. We checked the listed locations and reviewed the in-game screenshots before publication. Verification covers the listed structures and biomes in that version only, not the world spawn, chest loot or other versions. About verified seeds

Spawn and nearest structures

Predicted with the seed map’s Java 26.3 model and not checked in game. Distances are measured from the estimated spawn.

Estimated spawn: X -192, Z -272
Surface height: About Y 90
Spawn biome: Grove

Nearest structures

Structure	X	Z	From spawn
Shipwreck	-272	-80	208 blocks
Trial chambers	16	-304	210 blocks
Ocean ruin	96	-272	288 blocks
Ruined portal	32	-464	295 blocks
Abandoned camp	-416	-464	295 blocks
Ancient city	-272	-624	361 blocks
Buried treasure	-535	217	597 blocks
VillageSnowy village	-528	320	681 blocks
Ocean monument	832	208	1,131 blocks
Trail ruins	-1408	-528	1,243 blocks
Igloo	736	-1264	1,358 blocks
Pillager outpost	-1248	832	1,528 blocks
Jungle temple	-1728	-208	1,537 blocks
Witch hut	1296	-1184	1,745 blocks
Desert pyramid	-2000	-768	1,875 blocks

No woodland mansion within 4,096 blocks of spawn.

Nearest strongholds

Stronghold	X	Z	From spawn
Ring 1	-1548	-572	1,389 blocks
Ring 1	1508	-1212	1,943 blocks
Ring 1	324	2340	2,662 blocks

Surface biomes within 1,024 blocks

Deep Frozen Ocean 25%
Frozen Ocean 18%
Forest 8%
Plains 8%
Taiga 7%
Grove 5%