Best 1.18 Bastion Seeds

Enter the Nether close to a bastion remnant. Each seed includes coordinates and a map.

Java Edition 1.18 · 50 seeds checked against category criteria

These seeds use Java 1.18 (Caves & Cliffs Part II) generation. Browse all 1.18 categories →

All 50 seeds for Java 1.18

Also has nearby
Predicted biome map of Java 1.18 seed -3331188712887507623 around estimated spawn Explore this seed
#1

-3331188712887507623

A bastion remnant is 41 nether blocks from the spawn portal anchor, at X 64, Z 48.

Estimated spawn
480, 56 (Stony Shore)
Stronghold
2,151 blocks
  • Bastion Remnant41
  • Ruined Portal276
  • Ocean Monument304

Nearby biomes: Deep Ocean · Ocean · Plains · Sunflower Plains · Forest · Stony Shore

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Predicted biome map of Java 1.18 seed -2332744622818393161 around estimated spawn Explore this seed
#2

-2332744622818393161

A bastion remnant is 51 nether blocks from the spawn portal anchor, at X 16, Z 48.

Estimated spawn
0, 0 (Jungle)
Stronghold
2,068 blocks
  • Bastion Remnant51
  • Ruined Portal279
  • Village395

Nearby biomes: Lukewarm Ocean · Desert · Warm Ocean · Jungle · River · Beach

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Predicted biome map of Java 1.18 seed -1586573065035404055 around estimated spawn Explore this seed
#3

-1586573065035404055

A bastion remnant is 68 nether blocks from the spawn portal anchor, at X 64, Z 32.

Estimated spawn
32, 0 (Savanna)
Stronghold
1,495 blocks
  • Bastion Remnant68
  • Pillager Outpost182
  • Ruined Portal387
  • Village453
  • Jungle Temple498

Nearby biomes: Savanna · Plains · Lukewarm Ocean · Ocean · Forest · River

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Predicted biome map of Java 1.18 seed -7740217781317230236 around estimated spawn Explore this seed
#4

-7740217781317230236

A bastion remnant is 73 nether blocks from the spawn portal anchor, at X 64, Z 32.

Estimated spawn
16, -48 (Savanna)
Stronghold
2,235 blocks
  • Bastion Remnant73
  • Pillager Outpost152
  • Ruined Portal283
  • Village387

Nearby biomes: Savanna · Swamp · Plains · River · Forest

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Predicted biome map of Java 1.18 seed 7845688912776804849 around estimated spawn Explore this seed
#5

7845688912776804849

A bastion remnant is 75 nether blocks from the spawn portal anchor, at X 48, Z 80.

Estimated spawn
64, 128 (Jungle)
Stronghold
1,440 blocks
  • Bastion Remnant75
  • Ruined Portal93

Nearby biomes: Forest · Plains · Sparse Jungle · Savanna · Old Growth Birch Forest · Dripstone Caves

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Predicted biome map of Java 1.18 seed 8076563699196604829 around estimated spawn Explore this seed
#6

8076563699196604829

A bastion remnant is 80 nether blocks from the spawn portal anchor, at X 64, Z 48.

Estimated spawn
0, 0 (Plains)
Stronghold
2,310 blocks
  • Bastion Remnant80
  • Village82
  • Ruined Portal93

Nearby biomes: Forest · River · Plains · Taiga · Flower Forest

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Predicted biome map of Java 1.18 seed -6341088857543112237 around estimated spawn Explore this seed
#7

-6341088857543112237

A bastion remnant is 86 nether blocks from the spawn portal anchor, at X 0, Z -96.

Estimated spawn
-32, -80 (Desert)
Stronghold
2,008 blocks
  • Bastion Remnant86
  • Ruined Portal451

Nearby biomes: Desert · Savanna · Lukewarm Ocean · Badlands · River · Warm Ocean

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Predicted biome map of Java 1.18 seed -7843662095490453336 around estimated spawn Explore this seed
#8

-7843662095490453336

A bastion remnant is 90 nether blocks from the spawn portal anchor, at X -96, Z 16.

Estimated spawn
-128, -208 (Snowy Taiga)
Stronghold
2,062 blocks
  • Bastion Remnant90
  • Ocean Monument372
  • Ruined Portal422

Nearby biomes: Cold Ocean · Deep Frozen Ocean · Frozen Ocean · Taiga · Deep Cold Ocean · Beach

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Predicted biome map of Java 1.18 seed -828072809590740905 around estimated spawn Explore this seed
#9

-828072809590740905

A bastion remnant is 97 nether blocks from the spawn portal anchor, at X 96, Z 16.

Estimated spawn
0, 0 (Desert)
Stronghold
1,897 blocks
  • Bastion Remnant97
  • Ruined Portal295
  • Village339
  • Desert Temple445

Nearby biomes: Desert · Warm Ocean · Wooded Badlands · Swamp

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Predicted biome map of Java 1.18 seed -4359901362855286330 around estimated spawn Explore this seed
#10

-4359901362855286330

A bastion remnant is 100 nether blocks from the spawn portal anchor, at X -80, Z 64.

Estimated spawn
-48, -32 (Sunflower Plains)
Stronghold
1,690 blocks
  • Bastion Remnant100
  • Village355
  • Ruined Portal443

Nearby biomes: Sunflower Plains · Ocean · Flower Forest · Plains · Beach · Swamp

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Predicted biome map of Java 1.18 seed 7320480753891815312 around estimated spawn Explore this seed
#11

7320480753891815312

A bastion remnant is 106 nether blocks from the spawn portal anchor, at X 128, Z 32.

Estimated spawn
192, 112 (Sunflower Plains)
Stronghold
2,208 blocks
  • Ruined Portal80
  • Bastion Remnant106

Nearby biomes: Ocean · Deep Ocean · Sunflower Plains · Flower Forest · River · Plains

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Predicted biome map of Java 1.18 seed -4448651600144020717 around estimated spawn Explore this seed
#12

-4448651600144020717

A bastion remnant is 110 nether blocks from the spawn portal anchor, at X -80, Z 96.

Estimated spawn
-672, -112 (Savanna)
Stronghold
1,441 blocks
  • Bastion Remnant110
  • Ruined Portal223
  • Ocean Monument368

Nearby biomes: Deep Lukewarm Ocean · Lukewarm Ocean · Deep Ocean · Forest · Savanna · Stony Shore

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Predicted biome map of Java 1.18 seed -7001590542614732808 around estimated spawn Explore this seed
#13

-7001590542614732808

A bastion remnant is 112 nether blocks from the spawn portal anchor, at X -128, Z 48.

Estimated spawn
-128, 400 (Stony Shore)
Stronghold
1,394 blocks
  • Bastion Remnant112
  • Ocean Monument160
  • Ruined Portal458

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Warm Ocean · Jungle · Sparse Jungle · Stony Shore

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Predicted biome map of Java 1.18 seed 9144248845912374461 around estimated spawn Explore this seed
#14

9144248845912374461

A bastion remnant is 116 nether blocks from the spawn portal anchor, at X -96, Z -80.

Estimated spawn
-32, -80 (Plains)
Stronghold
2,720 blocks
  • Bastion Remnant116
  • Ruined Portal351

Nearby biomes: Plains · Ocean · Forest · Beach · Sunflower Plains · Lukewarm Ocean

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Predicted biome map of Java 1.18 seed 4992912912770707219 around estimated spawn Explore this seed
#15

4992912912770707219

A bastion remnant is 124 nether blocks from the spawn portal anchor, at X -112, Z 96.

Estimated spawn
-32, 288 (Dark Forest)
Stronghold
2,125 blocks
  • Bastion Remnant124
  • Ruined Portal279

Nearby biomes: Ocean · Deep Ocean · Dark Forest · Forest · Old Growth Birch Forest · River

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Predicted biome map of Java 1.18 seed -5806841999230811389 around estimated spawn Explore this seed
#16

-5806841999230811389

A bastion remnant is 128 nether blocks from the spawn portal anchor, at X 0, Z 128.

Estimated spawn
0, 0 (Badlands)
Stronghold
2,105 blocks
  • Bastion Remnant128
  • Village351
  • Pillager Outpost360
  • Ruined Portal498

Nearby biomes: Desert · Badlands · Wooded Badlands · Eroded Badlands · Warm Ocean · River

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Predicted biome map of Java 1.18 seed -1594367518793625087 around estimated spawn Explore this seed
#17

-1594367518793625087

A bastion remnant is 138 nether blocks from the spawn portal anchor, at X -80, Z 112.

Estimated spawn
-48, -32 (Forest)
Stronghold
2,549 blocks
  • Bastion Remnant138
  • Ruined Portal275

Nearby biomes: Forest · Plains · River

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Predicted biome map of Java 1.18 seed -5938154528614289403 around estimated spawn Explore this seed
#18

-5938154528614289403

A bastion remnant is 144 nether blocks from the spawn portal anchor, at X -112, Z -96.

Estimated spawn
-32, 0 (Savanna)
Stronghold
2,460 blocks
  • Bastion Remnant144
  • Ruined Portal380
  • Village488

Nearby biomes: Savanna · Lukewarm Ocean · Swamp · Sparse Jungle · River · Desert

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Predicted biome map of Java 1.18 seed -2867477851344704495 around estimated spawn Explore this seed
#19

-2867477851344704495

A bastion remnant is 146 nether blocks from the spawn portal anchor, at X 16, Z 144.

Estimated spawn
192, -16 (Jungle)
Stronghold
2,349 blocks
  • Bastion Remnant146
  • Ruined Portal240

Nearby biomes: Lukewarm Ocean · Stony Shore · Forest · Jungle · River

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Predicted biome map of Java 1.18 seed 3214096495875798499 around estimated spawn Explore this seed
#20

3214096495875798499

A bastion remnant is 150 nether blocks from the spawn portal anchor, at X 80, Z 80.

Estimated spawn
-464, 160 (Birch Forest)
Stronghold
1,959 blocks
  • Ruined Portal80
  • Bastion Remnant150
  • Ocean Monument198

Nearby biomes: Deep Ocean · Ocean · Plains · Forest · Savanna

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Predicted biome map of Java 1.18 seed 5055340456055330141 around estimated spawn Explore this seed
#21

5055340456055330141

A bastion remnant is 158 nether blocks from the spawn portal anchor, at X 112, Z 112.

Estimated spawn
16, -16 (Taiga)
Stronghold
2,558 blocks
  • Bastion Remnant158
  • Ruined Portal306

Nearby biomes: Forest · Dripstone Caves · Snowy Plains · Taiga · Plains · River

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Predicted biome map of Java 1.18 seed 1245009516061721697 around estimated spawn Explore this seed
#22

1245009516061721697

A bastion remnant is 160 nether blocks from the spawn portal anchor, at X 16, Z 160.

Estimated spawn
-64, 16 (Old Growth Spruce Taiga)
Stronghold
2,153 blocks
  • Bastion Remnant160
  • Village318
  • Ruined Portal453

Nearby biomes: Cold Ocean · Snowy Taiga · Snowy Plains · Taiga · Old Growth Spruce Taiga · Forest

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Predicted biome map of Java 1.18 seed 2762447762858742166 around estimated spawn Explore this seed
#23

2762447762858742166

A bastion remnant is 160 nether blocks from the spawn portal anchor, at X -128, Z -96.

Estimated spawn
0, 0 (Forest)
Stronghold
1,648 blocks
  • Bastion Remnant160
  • Ruined Portal179

Nearby biomes: Forest · Cold Ocean · Birch Forest · Plains · Old Growth Birch Forest · Deep Cold Ocean

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Predicted biome map of Java 1.18 seed 6105681777587906934 around estimated spawn Explore this seed
#24

6105681777587906934

A bastion remnant is 165 nether blocks from the spawn portal anchor, at X 80, Z -144.

Estimated spawn
0, 0 (Badlands)
Stronghold
1,763 blocks
  • Bastion Remnant165
  • Ruined Portal369

Nearby biomes: Badlands · Forest · Savanna · Stony Peaks · Plains · Wooded Badlands

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Predicted biome map of Java 1.18 seed 1854281237442552453 around estimated spawn Explore this seed
#25

1854281237442552453

A bastion remnant is 167 nether blocks from the spawn portal anchor, at X 160, Z 48.

Estimated spawn
0, 0 (Birch Forest)
Stronghold
2,041 blocks
  • Bastion Remnant167

Nearby biomes: Old Growth Birch Forest · Birch Forest · Dark Forest · River · Dripstone Caves · Forest

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Predicted biome map of Java 1.18 seed 4016559051328749557 around estimated spawn Explore this seed
#26

4016559051328749557

A bastion remnant is 169 nether blocks from the spawn portal anchor, at X 160, Z -192.

Estimated spawn
496, -432 (Plains)
Stronghold
1,452 blocks
  • Bastion Remnant169
  • Village209
  • Ruined Portal431

Nearby biomes: Cold Ocean · Deep Cold Ocean · Forest · Plains · Ocean · Birch Forest

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Predicted biome map of Java 1.18 seed 1120849730162351574 around estimated spawn Explore this seed
#27

1120849730162351574

A bastion remnant is 170 nether blocks from the spawn portal anchor, at X 144, Z -80.

Estimated spawn
-32, 32 (Grove)
Stronghold
1,444 blocks
  • Bastion Remnant170
  • Ruined Portal360
  • Village413

Nearby biomes: Snowy Taiga · Grove · Frozen Ocean · Snowy Plains · Frozen River

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Predicted biome map of Java 1.18 seed -8146981570004378839 around estimated spawn Explore this seed
#28

-8146981570004378839

A bastion remnant is 173 nether blocks from the spawn portal anchor, at X 144, Z 96.

Estimated spawn
0, 0 (Plains)
Stronghold
2,346 blocks
  • Bastion Remnant173
  • Ruined Portal320
  • Village385

Nearby biomes: Plains · Ocean · Flower Forest · Forest · Cold Ocean · River

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Predicted biome map of Java 1.18 seed -8757721424526639700 around estimated spawn Explore this seed
#29

-8757721424526639700

A bastion remnant is 175 nether blocks from the spawn portal anchor, at X 144, Z -96.

Estimated spawn
0, 32 (Snowy Taiga)
Stronghold
1,449 blocks
  • Bastion Remnant175
  • Ruined Portal192

Nearby biomes: Frozen Ocean · Snowy Taiga · Grove · Stony Shore · Snowy Beach · Frozen River

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Predicted biome map of Java 1.18 seed 3018103957357721679 around estimated spawn Explore this seed
#30

3018103957357721679

A bastion remnant is 176 nether blocks from the spawn portal anchor, at X 0, Z -176.

Estimated spawn
0, 0 (Windswept Hills)
Stronghold
2,452 blocks
  • Bastion Remnant176
  • Ruined Portal295
  • Village443

Nearby biomes: Snowy Plains · Snowy Taiga · Taiga · Frozen River · Frozen Ocean · Windswept Forest

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Predicted biome map of Java 1.18 seed -1460253873910663452 around estimated spawn Explore this seed
#31

-1460253873910663452

A bastion remnant is 185 nether blocks from the spawn portal anchor, at X 176, Z 64.

Estimated spawn
16, 16 (Snowy Plains)
Stronghold
2,220 blocks
  • Ruined Portal16
  • Village170
  • Bastion Remnant185

Nearby biomes: Snowy Plains · Frozen Ocean · Dripstone Caves · Ice Spikes · Frozen River · Snowy Taiga

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Predicted biome map of Java 1.18 seed 1545606221501951018 around estimated spawn Explore this seed
#32

1545606221501951018

A bastion remnant is 188 nether blocks from the spawn portal anchor, at X -96, Z 160.

Estimated spawn
16, 0 (Forest)
Stronghold
1,739 blocks
  • Bastion Remnant188
  • Village311
  • Ruined Portal326
  • Pillager Outpost479

Nearby biomes: Forest · Cold Ocean · River · Stony Shore · Taiga · Birch Forest

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Predicted biome map of Java 1.18 seed -7765261375942010746 around estimated spawn Explore this seed
#33

-7765261375942010746

A bastion remnant is 198 nether blocks from the spawn portal anchor, at X -192, Z 48.

Estimated spawn
0, 0 (Lush Caves)
Stronghold
2,698 blocks
  • Bastion Remnant198
  • Ruined Portal320

Nearby biomes: Forest · Plains · River · Birch Forest · Old Growth Birch Forest · Dark Forest

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Predicted biome map of Java 1.18 seed 927733479248677643 around estimated spawn Explore this seed
#34

927733479248677643

A bastion remnant is 199 nether blocks from the spawn portal anchor, at X -96, Z -176.

Estimated spawn
64, -48 (Old Growth Birch Forest)
Stronghold
2,287 blocks
  • Bastion Remnant199
  • Ruined Portal358
  • Ocean Monument431

Nearby biomes: Ocean · Dark Forest · Old Growth Pine Taiga · Deep Ocean · Old Growth Birch Forest · River

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Predicted biome map of Java 1.18 seed -8820921848763977568 around estimated spawn Explore this seed
#35

-8820921848763977568

A bastion remnant is 200 nether blocks from the spawn portal anchor, at X -224, Z 0.

Estimated spawn
-192, -64 (Savanna)
Stronghold
1,536 blocks
  • Bastion Remnant200
  • Ruined Portal307
  • Ocean Monument477

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Savanna

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Predicted biome map of Java 1.18 seed 617402375533210265 around estimated spawn Explore this seed
#36

617402375533210265

A bastion remnant is 201 nether blocks from the spawn portal anchor, at X 32, Z 208.

Estimated spawn
-32, 80 (Windswept Savanna)
Stronghold
2,163 blocks
  • Ruined Portal172
  • Bastion Remnant201
  • Ocean Monument453

Nearby biomes: Lukewarm Ocean · Savanna · Plains · Deep Lukewarm Ocean · Forest · Beach

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Predicted biome map of Java 1.18 seed -2685986980997086072 around estimated spawn Explore this seed
#37

-2685986980997086072

A bastion remnant is 204 nether blocks from the spawn portal anchor, at X -192, Z 96.

Estimated spawn
-336, -336 (Old Growth Spruce Taiga)
Stronghold
1,888 blocks
  • Ruined Portal97
  • Bastion Remnant204

Nearby biomes: Cold Ocean · Ocean · Deep Ocean · Old Growth Spruce Taiga · Deep Cold Ocean

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Predicted biome map of Java 1.18 seed 5041327583007259568 around estimated spawn Explore this seed
#38

5041327583007259568

A bastion remnant is 205 nether blocks from the spawn portal anchor, at X 16, Z -96.

Estimated spawn
228, 876 (Old Growth Birch Forest)
Stronghold
2,222 blocks
  • Ruined Portal177
  • Bastion Remnant205

Nearby biomes: Ocean · Deep Ocean · Cold Ocean · River · Taiga · Dark Forest

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Predicted biome map of Java 1.18 seed -300045301201652188 around estimated spawn Explore this seed
#39

-300045301201652188

A bastion remnant is 210 nether blocks from the spawn portal anchor, at X -208, Z 32.

Estimated spawn
0, 0 (Snowy Plains)
Stronghold
2,070 blocks
  • Ruined Portal179
  • Bastion Remnant210

Nearby biomes: Snowy Plains · Snowy Taiga · Taiga · Plains · Dripstone Caves · Swamp

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Predicted biome map of Java 1.18 seed 6906862160057028509 around estimated spawn Explore this seed
#40

6906862160057028509

A bastion remnant is 217 nether blocks from the spawn portal anchor, at X 96, Z -192.

Estimated spawn
64, 48 (Forest)
Stronghold
1,872 blocks
  • Ruined Portal213
  • Bastion Remnant217
  • Village290

Nearby biomes: Forest · Plains · River · Dripstone Caves · Birch Forest · Meadow

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Predicted biome map of Java 1.18 seed -3120254283600889869 around estimated spawn Explore this seed
#41

-3120254283600889869

A bastion remnant is 223 nether blocks from the spawn portal anchor, at X -112, Z 192.

Estimated spawn
16, 0 (Taiga)
Stronghold
1,478 blocks
  • Village172
  • Bastion Remnant223
  • Ruined Portal272
  • Pillager Outpost435

Nearby biomes: Forest · Taiga · River · Old Growth Spruce Taiga

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Predicted biome map of Java 1.18 seed -228571444683870884 around estimated spawn Explore this seed
#42

-228571444683870884

A bastion remnant is 233 nether blocks from the spawn portal anchor, at X -224, Z 48.

Estimated spawn
32, -16 (Snowy Taiga)
Stronghold
2,296 blocks
  • Bastion Remnant233
  • Village294
  • Ruined Portal304

Nearby biomes: Snowy Taiga · Snowy Plains · Frozen River · Taiga · Lush Caves · Dripstone Caves

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Predicted biome map of Java 1.18 seed -6415233869933696287 around estimated spawn Explore this seed
#43

-6415233869933696287

A bastion remnant is 236 nether blocks from the spawn portal anchor, at X 224, Z -80.

Estimated spawn
336, 560 (Forest)
Stronghold
1,403 blocks
  • Bastion Remnant236
  • Ocean Monument379
  • Ruined Portal466

Nearby biomes: Deep Ocean · Forest · Ocean · Beach · River

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Predicted biome map of Java 1.18 seed -5677121859246835430 around estimated spawn Explore this seed
#44

-5677121859246835430

A bastion remnant is 240 nether blocks from the spawn portal anchor, at X -144, Z -192.

Estimated spawn
0, 0 (Plains)
Stronghold
1,711 blocks
  • Village202
  • Bastion Remnant240
  • Ruined Portal351

Nearby biomes: Plains · Cold Ocean · Beach · River · Snowy Plains · Deep Cold Ocean

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Predicted biome map of Java 1.18 seed -5563119469176502474 around estimated spawn Explore this seed
#45

-5563119469176502474

A bastion remnant is 241 nether blocks from the spawn portal anchor, at X 176, Z 192.

Estimated spawn
208, 32 (Stony Shore)
Stronghold
1,892 blocks
  • Ruined Portal187
  • Bastion Remnant241
  • Village308

Nearby biomes: Lukewarm Ocean · Forest · Lush Caves · Jungle · Plains · Stony Peaks

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Predicted biome map of Java 1.18 seed 3136405922130458893 around estimated spawn Explore this seed
#46

3136405922130458893

A bastion remnant is 245 nether blocks from the spawn portal anchor, at X -240, Z 48.

Estimated spawn
0, 0 (Savanna)
Stronghold
1,633 blocks
  • Bastion Remnant245
  • Village330
  • Ruined Portal395

Nearby biomes: Lukewarm Ocean · Savanna · Warm Ocean · Desert · Deep Lukewarm Ocean · River

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Predicted biome map of Java 1.18 seed -1047343316206276733 around estimated spawn Explore this seed
#47

-1047343316206276733

A bastion remnant is 249 nether blocks from the spawn portal anchor, at X -144, Z -192.

Estimated spawn
-16, 96 (Snowy Taiga)
Stronghold
1,675 blocks
  • Bastion Remnant249
  • Ruined Portal333

Nearby biomes: Frozen Ocean · Snowy Taiga · Stony Shore · Snowy Plains · Frozen River · Deep Frozen Ocean

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Predicted biome map of Java 1.18 seed 8037647946590048112 around estimated spawn Explore this seed
#48

8037647946590048112

A bastion remnant is 250 nether blocks from the spawn portal anchor, at X 96, Z -240.

Estimated spawn
160, -16 (Beach)
Stronghold
1,875 blocks
  • Bastion Remnant250
  • Ruined Portal304
  • Woodland Mansion959

Nearby biomes: Ocean · Dark Forest · Deep Ocean · Beach · River · Stony Shore

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Predicted biome map of Java 1.18 seed 5318809490807151881 around estimated spawn Explore this seed
#49

5318809490807151881

A bastion remnant is 255 nether blocks from the spawn portal anchor, at X -192, Z 160.

Estimated spawn
16, -44 (Swamp)
Stronghold
2,266 blocks
  • Village186
  • Bastion Remnant255
  • Ruined Portal268

Nearby biomes: Swamp · Forest · Snowy Plains · Taiga · Plains · Beach

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Predicted biome map of Java 1.18 seed 8046805328963876989 around estimated spawn Explore this seed
#50

8046805328963876989

A bastion remnant is 258 nether blocks from the spawn portal anchor, at X -192, Z 176.

Estimated spawn
0, 32 (Forest)
Stronghold
2,378 blocks
  • Bastion Remnant258
  • Ruined Portal320
  • Pillager Outpost451
  • Village455

Nearby biomes: Taiga · Dripstone Caves · Forest · Old Growth Pine Taiga · River · Snowy Taiga

Open in Seed Map →

About these 1.18 seeds

A predicted bastion within 400 nether blocks of the spawn portal anchor is required for every seed in this category. Lists are computed separately for the version printed on each card.

1.18 (Caves & Cliffs Part II) rewrote terrain generation completely: world height stretched to Y −64…319, six new mountain biomes, and cave systems bigger than anything before it. It's also where modern seeds begin — a 1.17 seed generates a totally different world — and 1.18.2 is still a heavily-played modpack version. Every seed below was verified on 1.18 generation itself.

Verified for Java Edition 1.18 (Caves & Cliffs Part II). Biomes, terrain and structure locations are identical across 1.18 – 1.18.2, so 1.18.2 modpack worlds match these maps.

For the current Java 26.3 release, see the main bastion seeds — or the same list for 26.3 · 1.21.4 · 1.20 · 1.19 · 1.16. All 1.18 lists live under best 1.18 seeds.

Frequently asked questions

How is this different from the main bastion seeds page?
These seeds are computed for Java 1.18. The main bastion seeds list targets Java 26.3. Match the version on the card; older versions can generate different biomes and structure positions.
Which releases do these seeds work on?
The whole 1.18 line — 1.18 through 1.18.2, including 1.18.2 modpacks: biomes, terrain and structure positions are identical across the patches (1.18.2 only fixed cosmetic generation bugs like underwater snow patches). Later versions keep the same terrain engine but add structures and tweak placements (1.19's ancient cities, 1.20's trail ruins), so verify on our newer lists if you're playing past 1.18.
Do these seeds work on Bedrock Edition?
No — Java and Bedrock generate different worlds from the same seed. These lists are Java Edition only.