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Plains Island with Ancient City and Trail Ruins

A decent island start with several cold biomes, leading to an Ancient City and Trail Ruins.

A 3D fly-over of a small island with plains, snowy taiga, and forest biomes, surrounded by ocean, with a spawn marker.
3D fly-over of the world around spawn, rendered from the seed. Click to open it in the interactive 3D map.
Version
Java 26.3
Spawn
-152, -248
Spawn biome
Plains
Seed -8757321998424372481

An Ancient City lies about 527 blocks from spawn and Trail Ruins about 648 blocks, both beyond the edge of a Plains island about 256 blocks across. Snowy Plains and Snowy Taiga share the island, so you can settle in the cold before making the crossing.

Structures nearest to spawn

StructureCoordinates (X, Z)Blocks from spawn
💜 Amethyst Geode ↓ S-144, -209 40
⛏️ Mineshaft ↗ NE-48, -336 136
⚓ Shipwreck ← W-304, -192 162
⚔️ Trial Chambers ↑ N-208, -432 192
🌊 Ocean Ruin ↑ N-192, -512 267
🌋 Ruined Portal ↗ NE32, -448 272
🏚️ Ancient City ← W-672, -160 527
⛺ Abandoned Camp ↙ SW-592, 80 549
🔱 Ocean Monument ↗ NE192, -736 597
🏺 Trail Ruins ← W-768, -448 648
🏘️ Village ← W-800, -352 656
❄️ Igloo ↖ NW-848, -960 996
💰 Buried Treasure ↘ SE585, 617 1,136
🗼 Pillager Outpost ↖ NW-1,216, -1,984 2,036
🗿 Jungle Temple → E1,824, 288 2,047
🏰 Woodland Mansion ↓ S-864, 2,016 2,373
🐪 Desert Pyramid ↘ SE2,256, 1,264 2,843
🧿 Stronghold ↘ SE1,140, 1,252 1,980
💎 Diamonds, dig down ↙ SW-156, -245 Y -47 5

Nearest instance of each type inside a 5,000-block box centred on spawn. Coordinates are the structure's origin; ancient cities and mineshafts sit far below the surface.

Biome mix around spawn

BiomeShareNearest patch (blocks)
Frozen Ocean 20% 101
Deep Cold Ocean 11.5% 226
Cold Ocean 11.1% 64
Deep Frozen Ocean 8.8% 224
Plains 6.8% 0
Taiga 6.1% 373
Snowy Taiga 5.8% 64
Forest 4.8% 72
Deep Ocean 3.5% 801
Stony Shore 2.8% 45
Snowy Slopes 2.8% 329
Ocean 2.4% 784
Meadow 2% 429
Jagged Peaks 2% 365
Grove 1.5% 72
Frozen River 1.4% 115
River 1.2% 32
Beach 1% 963

Surface biome sampled on a grid across a 2,048×2,048 block box centred on spawn. Biomes under 1% share are omitted, except the biome you spawn in.

Is this seed for you?

A cold island base for players planning a longer trip to an Ancient City.