Best 1.18 Survival Island Seeds

Land starts surrounded by at least 80% sampled ocean within 400 blocks. Compare the coast and check starting-island trees before playing.

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 →

Choose your starting world

Use the map to compare the surrounding coast, then check the starting-island tree report. A nearby structure marker may be underwater or on another island.

Every seed meets this rule: Estimated spawn is on land, with ocean biomes at 80% or more of the sampled points within 400 blocks.

Before you create the world

Ocean share is sampled, not a measurement of the exact coastline. Narrow land bridges may be missed. Biome colors do not confirm trees, supplies or a playable survival start.

Computed for Java 1.18. Spawn is estimated, surface biomes are sampled at Y 63, and structure markers are predictions. Use default world generation and confirm important locations in-game.

A few places to start

Picks from this list, selected by recorded distances. Map previews show biome predictions.

  • Ocean-focused start

    #1 · 1154729135099381245

    A top-ranked ocean-focused pick from this catalog. Tree availability needs a separate in-game check.

    Explore seed →
  • Village nearby

    #44 · 8120107932857419843

    Structure predicted 208 blocks from estimated spawn · X -160, Z 112

    Explore seed →
  • Ruined portal nearby

    #6 · -8754915841618373616

    Structure predicted 36 blocks from estimated spawn · X 32, Z 48

    Explore seed →

More starts: Mushroom islands · Shipwreck starts. Search your own conditions →

All 50 seeds for Java 1.18

Looking for a no-tree survival challenge? Check “Starting island trees” on each card. “Not verified” means tree cover has not been checked in-game for this version. Biome maps do not confirm individual trees. Treeless islands may still have wood in structures.

Also has nearby
Predicted biome map of Java 1.18 seed 1154729135099381245 around estimated spawn Explore this seed
#1

1154729135099381245

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
0, 96 (Stony Shore)
Stronghold
1,501 blocks

Starting island trees: Not verified

  • Ruined Portal322
  • Ocean Monument324

Nearby biomes: Deep Cold Ocean · Cold Ocean · Deep Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -279453886034561086 around estimated spawn Explore this seed
#2

-279453886034561086

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-600, 40 (Birch Forest)
Stronghold
1,742 blocks

Starting island trees: Not verified

  • Ruined Portal162
  • Ocean Monument276

Nearby biomes: Deep Ocean · Deep Lukewarm Ocean · Ocean · Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -6384340129372918943 around estimated spawn Explore this seed
#3

-6384340129372918943

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-80, -256 (Beach)
Stronghold
1,632 blocks

Starting island trees: Not verified

  • Ruined Portal244
  • Village461

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 6051399403869930452 around estimated spawn Explore this seed
#4

6051399403869930452

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
416, -256 (Birch Forest)
Stronghold
2,397 blocks

Starting island trees: Not verified

  • Ruined Portal143

Nearby biomes: Ocean · Deep Ocean · Lukewarm Ocean · Deep Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -3308825153142290418 around estimated spawn Explore this seed
#5

-3308825153142290418

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-176, 16 (Snowy Beach)
Stronghold
2,222 blocks

Starting island trees: Not verified

  • Ruined Portal308

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -8754915841618373616 around estimated spawn Explore this seed
#6

-8754915841618373616

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
16, 16 (Desert)
Stronghold
2,668 blocks

Starting island trees: Not verified

  • Ruined Portal36
  • Ocean Monument339

Nearby biomes: Warm Ocean · Lukewarm Ocean · Deep Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -5971567932365725170 around estimated spawn Explore this seed
#7

-5971567932365725170

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-56, -688 (Plains)
Stronghold
1,573 blocks

Starting island trees: Not verified

  • Ruined Portal206
  • Ocean Monument315

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Warm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 5860669873285817163 around estimated spawn Explore this seed
#8

5860669873285817163

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-544, -80 (Stony Shore)
Stronghold
2,382 blocks

Starting island trees: Not verified

  • Ruined Portal209
  • Ocean Monument397

Nearby biomes: Cold Ocean · Deep Cold Ocean · Stony Shore

Open in Seed Map →
Predicted biome map of Java 1.18 seed -3161786321534401381 around estimated spawn Explore this seed
#9

-3161786321534401381

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
384, 128 (Stony Shore)
Stronghold
2,473 blocks

Starting island trees: Not verified

  • Ocean Monument260
  • Ruined Portal391

Nearby biomes: Deep Lukewarm Ocean · Lukewarm Ocean · Mushroom Fields

Open in Seed Map →
Predicted biome map of Java 1.18 seed -5979091953198713330 around estimated spawn Explore this seed
#10

-5979091953198713330

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
64, -512 (Jungle)
Stronghold
1,732 blocks

Starting island trees: Not verified

  • Ruined Portal138
  • Ocean Monument272

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 1712324180529580451 around estimated spawn Explore this seed
#11

1712324180529580451

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-96, 256 (Beach)
Stronghold
2,497 blocks

Starting island trees: Not verified

  • Ocean Monument258
  • Ruined Portal308

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 4321435049153979373 around estimated spawn Explore this seed
#12

4321435049153979373

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-32, 528 (Beach)
Stronghold
3,074 blocks

Starting island trees: Not verified

  • Ocean Monument309
  • Ruined Portal371

Nearby biomes: Cold Ocean · Deep Cold Ocean · Plains

Open in Seed Map →
Predicted biome map of Java 1.18 seed 2118463137819060201 around estimated spawn Explore this seed
#13

2118463137819060201

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-96, 80 (Forest)
Stronghold
2,122 blocks

Starting island trees: Not verified

  • Ruined Portal290
  • Ocean Monument404

Nearby biomes: Ocean · Deep Ocean · Lukewarm Ocean · Forest

Open in Seed Map →
Predicted biome map of Java 1.18 seed 2668716809815949367 around estimated spawn Explore this seed
#14

2668716809815949367

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
52, 480 (Desert)
Stronghold
3,119 blocks

Starting island trees: Not verified

  • Ruined Portal156
  • Ocean Monument315

Nearby biomes: Warm Ocean · Lukewarm Ocean · Deep Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -8579992576274342178 around estimated spawn Explore this seed
#15

-8579992576274342178

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-112, -32 (Old Growth Spruce Taiga)
Stronghold
2,225 blocks

Starting island trees: Not verified

  • Ocean Monument227
  • Ruined Portal299

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 6314156329908584623 around estimated spawn Explore this seed
#16

6314156329908584623

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
688, 324 (Forest)
Stronghold
1,757 blocks

Starting island trees: Not verified

  • Ruined Portal239
  • Ocean Monument487

Nearby biomes: Ocean · Deep Ocean · Forest

Open in Seed Map →
Predicted biome map of Java 1.18 seed 4223459720875221254 around estimated spawn Explore this seed
#17

4223459720875221254

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-176, 192 (Stony Shore)
Stronghold
1,610 blocks

Starting island trees: Not verified

  • Ruined Portal253
  • Ocean Monument344

Nearby biomes: Lukewarm Ocean · Deep Ocean · Deep Lukewarm Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -1781434391157985084 around estimated spawn Explore this seed
#18

-1781434391157985084

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
64, -192 (Plains)
Stronghold
2,288 blocks

Starting island trees: Not verified

  • Ruined Portal248

Nearby biomes: Ocean · Deep Ocean · Deep Lukewarm Ocean · Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -6136601221300060166 around estimated spawn Explore this seed
#19

-6136601221300060166

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
432, -128 (Forest)
Stronghold
2,676 blocks

Starting island trees: Not verified

  • Ruined Portal187

Nearby biomes: Deep Lukewarm Ocean · Lukewarm Ocean · Warm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -6592741772397928174 around estimated spawn Explore this seed
#20

-6592741772397928174

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-264, 104 (Beach)
Stronghold
2,013 blocks

Starting island trees: Not verified

  • Ocean Monument216
  • Ruined Portal277

Nearby biomes: Ocean · Deep Ocean · Cold Ocean · Deep Cold Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 6968055387130627358 around estimated spawn Explore this seed
#21

6968055387130627358

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
112, -272 (Stony Shore)
Stronghold
2,137 blocks

Starting island trees: Not verified

  • Ocean Monument238
  • Ruined Portal345

Nearby biomes: Deep Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 3440862595717836024 around estimated spawn Explore this seed
#22

3440862595717836024

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
96, -160 (Beach)
Stronghold
2,291 blocks

Starting island trees: Not verified

  • Ocean Monument260
  • Ruined Portal462

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -6713782983023599356 around estimated spawn Explore this seed
#23

-6713782983023599356

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
32, 128 (Taiga)
Stronghold
1,763 blocks

Starting island trees: Not verified

  • Ruined Portal129

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -5736004368544924019 around estimated spawn Explore this seed
#24

-5736004368544924019

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
0, 0 (Savanna)
Stronghold
2,388 blocks

Starting island trees: Not verified

  • Ruined Portal272

Nearby biomes: Lukewarm Ocean · Ocean · Deep Lukewarm Ocean · Plains

Open in Seed Map →
Predicted biome map of Java 1.18 seed 1311762080221873196 around estimated spawn Explore this seed
#25

1311762080221873196

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-144, -320 (Savanna)
Stronghold
2,404 blocks

Starting island trees: Not verified

  • Ruined Portal275
  • Ocean Monument354

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Deep Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -6207381528103965613 around estimated spawn Explore this seed
#26

-6207381528103965613

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
432, 208 (Stony Shore)
Stronghold
2,176 blocks

Starting island trees: Not verified

  • Ruined Portal316
  • Ocean Monument336

Nearby biomes: Deep Lukewarm Ocean · Ocean · Deep Ocean · Lukewarm Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 7437633997898177804 around estimated spawn Explore this seed
#27

7437633997898177804

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-32, 0 (Taiga)
Stronghold
2,357 blocks

Starting island trees: Not verified

  • Ocean Monument372
  • Ruined Portal440

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 6533087699434184246 around estimated spawn Explore this seed
#28

6533087699434184246

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-512, 192 (Stony Shore)
Stronghold
2,464 blocks

Starting island trees: Not verified

  • Ruined Portal102

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 611784205705813302 around estimated spawn Explore this seed
#29

611784205705813302

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
48, -576 (Dark Forest)
Stronghold
1,330 blocks

Starting island trees: Not verified

  • Ruined Portal339

Nearby biomes: Ocean · Cold Ocean · Deep Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 4989383652937791826 around estimated spawn Explore this seed
#30

4989383652937791826

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
32, 448 (Forest)
Stronghold
2,672 blocks

Starting island trees: Not verified

  • Ocean Monument231
  • Ruined Portal295

Nearby biomes: Deep Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -4557748283162294772 around estimated spawn Explore this seed
#31

-4557748283162294772

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
192, -256 (Savanna)
Stronghold
2,127 blocks

Starting island trees: Not verified

  • Ruined Portal187

Nearby biomes: Lukewarm Ocean · Warm Ocean · Deep Lukewarm Ocean · Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 828148034440162002 around estimated spawn Explore this seed
#32

828148034440162002

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-304, 16 (Old Growth Birch Forest)
Stronghold
2,050 blocks

Starting island trees: Not verified

  • Ruined Portal336

Nearby biomes: Deep Ocean · Ocean · Cold Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed -4120261487492887895 around estimated spawn Explore this seed
#33

-4120261487492887895

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
256, 288 (Plains)
Stronghold
1,040 blocks

Starting island trees: Not verified

  • Ruined Portal102
  • Ocean Monument339
  • Village487

Nearby biomes: Deep Cold Ocean · Cold Ocean · Plains · Mushroom Fields

Open in Seed Map →
Predicted biome map of Java 1.18 seed -3950868693249737564 around estimated spawn Explore this seed
#34

-3950868693249737564

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
400, 208 (Stony Shore)
Stronghold
2,383 blocks

Starting island trees: Not verified

  • Ruined Portal256
  • Ocean Monument279

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Warm Ocean · Deep Ocean · Mushroom Fields

Open in Seed Map →
Predicted biome map of Java 1.18 seed 7287737386935251777 around estimated spawn Explore this seed
#35

7287737386935251777

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-544, 48 (Plains)
Stronghold
2,317 blocks

Starting island trees: Not verified

  • Ruined Portal258
  • Ocean Monument477

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Ocean · Deep Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 2874889089163492349 around estimated spawn Explore this seed
#36

2874889089163492349

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-112, 0 (Plains)
Stronghold
1,604 blocks

Starting island trees: Not verified

  • Ocean Monument301
  • Ruined Portal302

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -863934907840929839 around estimated spawn Explore this seed
#37

-863934907840929839

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-368, 176 (Snowy Taiga)
Stronghold
3,043 blocks

Starting island trees: Not verified

  • Ruined Portal279

Nearby biomes: Deep Frozen Ocean · Frozen Ocean · Snowy Plains · Snowy Beach

Open in Seed Map →
Predicted biome map of Java 1.18 seed 1525176013274557451 around estimated spawn Explore this seed
#38

1525176013274557451

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-32, -144 (Stony Shore)
Stronghold
2,340 blocks

Starting island trees: Not verified

  • Ruined Portal244
  • Ocean Monument387

Nearby biomes: Cold Ocean · Deep Cold Ocean · Stony Shore

Open in Seed Map →
Predicted biome map of Java 1.18 seed 4708426774433217690 around estimated spawn Explore this seed
#39

4708426774433217690

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-292, -460 (Stony Shore)
Stronghold
1,974 blocks

Starting island trees: Not verified

  • Ruined Portal172
  • Village469

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 5805608186418694432 around estimated spawn Explore this seed
#40

5805608186418694432

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-48, -272 (Savanna)
Stronghold
2,788 blocks

Starting island trees: Not verified

  • Ruined Portal258

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -4008157348494124095 around estimated spawn Explore this seed
#41

-4008157348494124095

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-336, -160 (Dark Forest)
Stronghold
1,408 blocks

Starting island trees: Not verified

  • Ruined Portal407

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -1103837356740581020 around estimated spawn Explore this seed
#42

-1103837356740581020

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-384, 176 (Snowy Taiga)
Stronghold
2,087 blocks

Starting island trees: Not verified

  • Ruined Portal179

Nearby biomes: Deep Frozen Ocean · Frozen Ocean

Open in Seed Map →
Predicted biome map of Java 1.18 seed 3014727305119890682 around estimated spawn Explore this seed
#43

3014727305119890682

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-96, 400 (Sunflower Plains)
Stronghold
1,831 blocks

Starting island trees: Not verified

  • Ruined Portal276

Nearby biomes: Ocean · Deep Ocean · Beach

Open in Seed Map →
Predicted biome map of Java 1.18 seed 8120107932857419843 around estimated spawn Explore this seed
#44

8120107932857419843

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
32, 192 (Snowy Taiga)
Stronghold
1,902 blocks

Starting island trees: Not verified

  • Village208
  • Ruined Portal329

Nearby biomes: Frozen Ocean · Deep Frozen Ocean · Snowy Plains

Open in Seed Map →
Predicted biome map of Java 1.18 seed -3405286536746997186 around estimated spawn Explore this seed
#45

-3405286536746997186

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-64, 256 (Sparse Jungle)
Stronghold
1,962 blocks

Starting island trees: Not verified

  • Ruined Portal360
  • Ocean Monument405

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -8566246162465718936 around estimated spawn Explore this seed
#46

-8566246162465718936

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-128, -112 (Plains)
Stronghold
2,410 blocks

Starting island trees: Not verified

  • Ruined Portal275
  • Ocean Monument401
  • Jungle Temple409

Nearby biomes: Lukewarm Ocean · Deep Lukewarm Ocean · Ocean · Bamboo Jungle

Open in Seed Map →
Predicted biome map of Java 1.18 seed -2536862957945846732 around estimated spawn Explore this seed
#47

-2536862957945846732

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-512, -240 (Beach)
Stronghold
1,738 blocks

Starting island trees: Not verified

  • Ruined Portal145
  • Ocean Monument481

Nearby biomes: Deep Ocean · Ocean · Lukewarm Ocean · Deep Lukewarm Ocean · Beach

Open in Seed Map →
Predicted biome map of Java 1.18 seed 1471413818661319720 around estimated spawn Explore this seed
#48

1471413818661319720

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
144, 96 (Plains)
Stronghold
2,166 blocks

Starting island trees: Not verified

  • Ruined Portal200

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed -8293315067308959360 around estimated spawn Explore this seed
#49

-8293315067308959360

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
240, 64 (Forest)
Stronghold
2,610 blocks

Starting island trees: Not verified

  • Ruined Portal280

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

Open in Seed Map →
Predicted biome map of Java 1.18 seed 100359137879675653 around estimated spawn Explore this seed
#50

100359137879675653

Estimated spawn is on land with at least 80% sampled ocean coverage within 400 blocks. Check the coastline and starting-island trees before choosing this world.

Estimated spawn
-144, -128 (Taiga)
Stronghold
1,522 blocks

Starting island trees: Not verified

  • Ruined Portal452

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

Open in Seed Map →

About these 1.18 seeds

Each seed has estimated spawn on land and ocean at at least 80% of sampled points within 400 blocks. This finds ocean-focused starts, but sampling can miss narrow land bridges and does not prove the exact shape of an island.

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 island 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 island seeds page?
These seeds are computed for Java 1.18. The main island 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.